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1 April 2012 Power Management & Amplifiers April 2012

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Page 1: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

1 April 2012

Power Management & Amplifiers

April 2012

Page 2: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

2

agenda

• Power Conversion: AC-DC

• Power Conversion: DC-DC

• Linear Voltage Regulators

• Signal & Interfaces

• Low Power Analog

Page 3: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

3 April 2012

Power Conversion

AC-DC

Page 4: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

4

We have parts for

all of these

Topologies

forwardflyback

half-bridge

push-pull

full-bridge

2-transistor forward

Page 5: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

5

0

50

100

150

200

250

300

350

Re

gulato

r Re

q.

Cu

rren

t "Be

st In class"

NC

P1246 /4353

NC

P1249 /4353

Po

we

r m

W

Regulator Req.

Current "Best In class"

NCP1246 /4353

NCP1249 /4353

No Load Standby Power

Regulatory

Requirements

300 mW

30 mW

10 mW – 16 mW

No

Load

No

Load

No

Load

Current

Best in class

Performance

ON Products

2012

NCP1246/4353

NCP1249/4353

Industrial ctm asked for

< 100 mW as min

Computing/Gaming asked

for < 20 mW

Page 6: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

6

NCP1255Flyback for Adapters

Peak power Excursion

SOIC8

NCP1271Fixed Freq Flyback

HV Startup

SOIC7

Generic SMPS AC-DC Controllers50 W < PSU < 150 W

NCP1219Fixed Freq Flyback

NCP1271 w/ DSS

SOIC7

NCP1234Flyback for Adapters

<100 mw Standby Adapter

SOIC7

NCP1236Flyback for Adapters

NCP1234 with BO

SOIC7

NCP1246*Flyback for Adapters

<20 mW Standby

SOIC7

Flyback

Production Development Planning

Power / Features

NCP1380QR for Adapters

LV with Valley Lockout

SOIC8

NCP1398LLC Controller

Upgrade 1397

SOIC16 Resonant

NCP1397LLC Controller

Upgrade to 1396

SOIC-16

Market Application: AC

Adapters (Notebooks &

Printers), & Open Frame

PSU (DVDs & STBs).

Meeting EPA 2.0

Market Application: AC

Adapters (Notebooks &

Printers), & Open Frame

PSU (DVDs & STBs).

Exceeds EPA

requirements

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Page 7: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

7

The NCP1234/6 are the next generation controllers optimized for challenging power supplies where high efficiency

across the entire load range is needed.

High-voltage current source

with built-in Brownout

Freq. reduction in light load

conditions and skip mode

Vcc OVP

Adjustable Over Power

Protection

Fewer components and

rugged design

Extremely low no-load

standby power

Simple option to alter

the max. peak current

set point at high line

AC adapters (notebooks and printers)

Open frame PSU (DVD, STB)

Others Features

Ordering & Package Information

Market & Applications

NCP1234/6 – High Voltage Fixed Frequency Controller

Latch-off input for severe fault conditions, allowing

direct connection of NTC

Timer-based protection: auto-recovery or latched

Built-in ramp compensation

Frequency jittering for a softened EMI signature across

entire load range

Vcc operation up to 30 V

Part Frequency Brownout OCP Fault Response

NCP1234AD65R2G 65 kHz No Latched

NCP1234BD65R2G 65 kHz No Auto-recovery

NCP1234AD100R2G 100 kHz No Latched

NCP1234BD100R2G 100 kHz No Auto-recovery

NCP1236AD65R2G 65 kHz Yes Latched

NCP1236BD65R2G 65 kHz Yes Auto-recovery

NCP1236AD100R2G 100 kHz Yes Latched

NCP1236BD100R2G 100 kHz Yes Auto-recovery

Unique Features Benefits

Value Proposition

Application Data

Page 8: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

8

NCP1234/6 – Frequency foldback

FB

Fsw

fOSC

VFBSKIPIN VFBFOLD

fOSC(min)

Skip

Increased efficiencySwitching frequency

lowered at light load

No audible noiseSwitching frequency

clamped above 22 kHz

Page 9: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

9

The NCP1246 is a fixed frequency, current mode controller that is specifically optimized to minimize power

consumption during no load and light load conditions. No load stand-by below 30 mW at high line

Active x-cap discharge built-in

to the device

Ability to enter a Power

Savings “Sleep State”,

providing hiccup mode of

the output voltage

Freq. reduction in light load

conditions and skip mode

Eliminates the need for

discharge resistors

saving power

Significantly reduces

power consumption in

no load conditions

High eff across line /

load range

AC adapters (notebooks and printers)

Open frame PSU (DVD, STB)

Others Features

Ordering & Package Information

Market & Applications

NCP1246 – Fixed Frequency Controller for Low Standby

Latch-off input for severe fault conditions, allowing

direct connection of NTC

Timer-based protection: auto-recovery or latched

Built-in ramp compensation

Frequency jittering for a softened EMI signature across

entire load range

Vcc operation up to 28 VPart Frequency OCP Fault Response

NCP1246AD65R2G 65 kHz Latched

NCP1246BD65R2G 65 kHz Auto-recovery

NCP1246AD100R2G 100 kHz Latched

NCP1246BD100R2G 100 kHz Auto-recovery

Unique Features Benefits

Value Proposition

Application Data

Page 10: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

10

Adapter Primary Controller used in Tandem w/ Secondary Side Controllers

• < 20 mW No Load • 65 W Output Power

Typical Layout Schematic for the

NCP1246 (Primary) w/ the NCP435x

(Secondary Side) Controller.

Page 11: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

11

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

NCP1250/1Flyback for Netbooks

Low Voltage

TSOP6

NCP1012-15Isolated Flyback

11 Ohm

PDIP7 / SOT223 / GW7

NCP1027/8Isolated Flyback

5.8 Ohm

PDIP7

NCP1072Isolated Flyback

11 Ohm / 250 mA

PDIP7 / SOT223

NCP1126Isolated Flyback

6 Ohm

PDIP7

NCP1075Isolated Flyback

11 Ohm / 450 mA

PDIP7 / SOT223

Controller

Integrated

MOSFET

NCP1253Flyback for Tablets

1251 w/o Latch/OPP

TSOP6

NCP1010/11Isolated Flyback

23 Ohm

PDIP7 / SOT223 / GW7

Market Application: Low Power

Open Frame (DVDs &

STBs), Netbook & Notebook

Adapters, & Flat TV Auxiliary

Supply.

Cost Sensitive & Meets EPA 2.0

AC-DC Low Power (PSU < 50 W)Power / Features

Market Application: White

Goods, Smart Meters, ATX &

Flat Screen TVs.

<60 mW No Load, 5-10W

Output Power.

NCP1254Flyback for Tablets

Peak power Excursion

TSOP6

NCP1255Flyback for Adapters

Peak power Excursion

SOIC8

Production Development Planning

Page 12: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

12

NCP1250/NCP1251 - 6 pin Fixed Frequency Controller

The NCP1250/1 are fixed frequency, PWM controllers designed for <50 W adapters offered in a tiny, six pin package.

With frequency foldback and skip cycle, the NCP1250/1 ensures a high efficiency design across the entire load range.

65 kHz or 100kHz fixed

frequency with dither

Frequency Foldback with

Skip Mode

Over Power Protection

Vcc OVP (NCP1251)

Improved EMI performance

Improved light-load

efficiency

Improved protection

OVP Input for Improved

Robustness

100 ms Timer−Based Auto−Recovery Short−Circuit

Protection

Internal fixed 4ms soft-start

Less than 100mW Standby Power at High Line

ESP 2.0 Compliant

Low Power Open frame (DVD, STB)

Netbook & Notebook Adapters

Flat TV auxiliary supply

Market & Applications

Ordering & Package Information

Other Features

Unique Features Benefits

Value Proposition

Application Data

Page 13: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

13

Examples of NCP1250 designs

12V - 40W Demoboard

Page 14: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

14

NCP1255 - Current-Mode PWM Controller for Off-line Power Supplies

Featuring Peak Power Excursion

The NCP1255 is a 8-pin current-mode PWM controller that can deliver a rugged, high performance offline power supply. With

a supply range up to 28 V, the controller hosts a jittered 65-kHz switching circuitry operated in peak current mode control.

Printer Power Supplies

AC-DC Adapters

Game Stations

Market & Applications

Ordering & Package Information

Other Features Internal and adjustable overpower protection (OPP)

Internal fixed 4ms soft-start

Frequency foldback and skip mode for improved

efficiency

Frequency jittering for improved EMI

65-kHz fixed-frequency current-mode control operation

with 100-kHz excursion

Peak Power Excursion for

peak power requirements

Adjustable Brownout

Protection

Dual level over current

protection

Temporarily increases

switching frequency for

power boost

Clean stop and start in case

of fault

Protects against overload

and short circuit

ControllerFrequency OCP

NCP1255AD65R2G65 kHz Latched

NCP1255BD65R2G65 kHz Autorecovery

NCP1255AD10R2G100 kHz Latched

NCP1255BD10R2G100 kHz Autorecovery

Eris

Vbulk

..

ramp

comp.

OPP

Vout

OVP

.

1

2

3

4 5

8

6

7

Eris

BO

Unique Features Benefits

Value Proposition

Application Data

Page 15: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

15

The NCP1072/5 products integrate an 11 Ohm, 700V MOSFET providing for a switching power supply capable of

delivering up to 15 watts of output power.

11 Ohm, 700 V FET

Frequency foldback and skip

mode

Internal HV Startup featuring

Dynamic Self Supply (DSS)

Ease of design

Improved efficiency at light

loads

Loss less startup sequence

NCP1072/75 – 11 Ohm 700V Integrated Switcher

Others Features

Ordering & Package Information

Auxiliary Supply

White Goods

E-Meters

1

2

3

4 5

8

7

Pin to Pin with NCP101x Family

Short circuit protection Independent of the aux. Winding

when the DSS is used

Ipeak 250 mA or 450 mA

Soft start: 1 ms

Internal switching frequency: 65, 100 and 130 kHz

Frequency jittering

Over Voltage Protection – Vcc pin

Market & Applications

Unique Features Benefits

Value Proposition

Application Data

Page 16: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

16

Key New Features

Frequency foldback with jittering

Improved light load efficiency

Improved EMI over the entire load range

Very low Icc in standby mode

No load: 300 uA

Input power: under 50 mW at 265 Vac, no load

Timer based overload protection and SCP

Provides more robust protection without worrying about the

coupling of the auxiliary winding

Vin AC Line detection

This function inhibits operation at low input voltage

Doesn’t require any additional external circuitry.

Page 17: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

17

NCP107X – 12V/850mA Design example

Output voltage: 12 V, 5%

Nominal load current: 0.85 A

Input power less than 50 mW at 265 Vac, no load

Short-circuit protection with auto-recovery

Input power under 100 mW at Pout = 20 mW is a challenge!

C9

10 nF

D4

1N4148

R7

150k

C8

2.2 nF

D3

MUR160

D2

MBRS360T3

C1

220 nF

L1

2x15mH +

-

IN

B1

DF08M

T1_aux

R_L322

15

C2

47u

C10

47u

400V

35V

2

1 J3

R2

1.5k

IC1

SFH615A-2

1

2

3

4 5

8

7

Vcc

NC

Gnd

FB

Gnd

Gnd

Drain

IC3

NCP1075

400V 1W

T1

MA5597-AL

C6a

470 uF

C6b

470 uF

16V 16V

L2

10 uH

C7

470 uF

16V

IC2

NCP431

R3

1k

C4

100nF

R5

82.5k

R6

21.5kC5

2.2 nF

JP1

Un

ive

rsa

l In

pu

t

C3

100 nF

Page 18: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

18

NCP107X – High efficiency over load range

High efficiency

79%

80%

81%

82%

83%

84%

85%

86%

87%

25% 50% 75% 100%

Effic

iency

Pout

100 Vac 115 Vac 230 Vac 264Vac

Page 19: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

19

NCP107X – Light load and no load

Low consumption at light load and no load

100 Vac 115 Vac 230 Vac 265 VacInput power @

no load26 mW 28 mW 38 mW 45 mW

Input power @ 20 mW output

75 mW 75 mW 87 mW 89 mW

Page 20: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

20

Controllers Output Power Positioning

Part number Topology 0-25 W 25-50 W 50-75 W 75-150 W 150-250 W 250-500 W >500 W

NCP1200 Flyback

NCP1203 Flyback

NCP1216/16A Flyback & Forward

NCP1217/17A Flyback & Forward Forward

NCP1219 Flyback

NCP1230 Flyback

NCP1234/6 Flyback

NCP1237/38 Flyback

NCP1250/1 Flyback

NCP1252 Flyback & Forward Forward

NCP1271 Flyback

NCP1288 Flyback

NCP1205 Flyback

NCP1207A/B/NCP1308 Flyback

NCP1337/38 Flyback

NCP1377/77B/78 Flyback

NCP1379 Flyback

NCP1380 Flyback

NCP1381/82 Flyback

NCP1351 Flyback

NCP1392/93 Resonant

NCP1395 Resonant

NCP1396 Resonant

NCP1397 Resonant

Recommended Better fit exists Planning

Fixed Frequency Fixed ton - Var toff Quasi Resonant Resonant

Development

Page 21: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

21

NCP1608CRM PFC

1607 with OTA EA

SOIC8

Power / Features

Generic SMPS PFC Controllers

NCP1605ACRM PFC

HV Startup

SOIC16

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

NCP1611CRM PFC

CCFF PFC for Flat TV

SOIC8

NCP1612CRM PFC

1611 with PFCOK

SOIC10

NCP1607CRM PFC

Upgrade to 1606

SOIC8

NCP1652ASingle Stage PFC

Active Clamp / Sync Rect

SOIC16

Market Application: Front

Ends For Distributed

Power Systems, High-

Power Battery

Chargers, Notebook

Adapters.

Market Application: Computer

Power Supplies, High-Power

Adapters, LED Lighting, & Flat TVs.

High Efficiency across a broad

range of loads w/ a high level of

safety protection.

Production Development

Page 22: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

22

The NCP1611 is a robust feature-rich Current Control Frequency Fold back PFC controller optimized to achieve high

efficiency across a broad range of load while offering a complete suite of system level safety protection.

CrM w/current controlled

frequency foldback

Skip mode near zero

crossing

Bypass diode short

protection

Optimizes efficiency

across load range

Enhanced light load

efficiency

Robust safety

characteristics

Fast load transient behavior

Output over and under-voltage protection

Open feedback disable protection

OCL, UVLO, brown-out protection

Soft-Start for smooth start-up operation

High drive capability: -500 mA / +800 mA

Thermal shutdown

Flat TV

Computer Power Supplies

High Power Adapters

LED Lighting and Ballasts

NCP1611 - High Efficiency Compact PFC

Others Features

Ordering & Package InformationMarket & Applications

Brownout

Frequency Foldback/Skip

ControlInterleaved

CS/ZCD

Device Package Option

NCP1611ADR2G SOIC-8 Latch

NCP1611BDR2G SOIC-8 Auto-Recovery

Unique Features Benefits

Value Proposition

Application Data

Page 23: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

23

The NCP1612 is a robust feature-rich Current Control Frequency Fold back PFC controller optimized to achieve high

efficiency across a broad range of load while offering a complete suite of system level safety protection.

CrM with Current Controlled

Frequency Foldback

Skip Mode near zero

crossing

Bypass Diode Short

Protection

Optimizes efficiency

across load range

Enhanced light load

efficiency

Robust safety

characteristics

Output Over and Under-voltage Protection

Open Feedback disable protection

OCL, UVLO, Brown-Out Protection, pfc okay

Soft-Start for smooth start-up operation

High Drive Capability: -500 mA / +800 mA

Thermal Shutdown

Flat TV

Computer Power Supplies

High Power Adapters

LED Lighting & Ballasts

NCP1612- Enhanced High Efficiency PFC

Others Features

Ordering & Package InformationMarket & Applications

Latched OVP & Bulk UV

Frequency Fold back/Skip

Control

Interleaved

CS/ZCD

PFC OK

Device Package Option

NCP1612ADR2G SOIC-10 Latch

NCP1612BDR2G SOIC-10 Auto-Recovery

Unique Features Benefits

Value Proposition

Application Data

Page 24: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

24

NCP161x Efficiency Performance

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

0 10 20 30 40 50 60 70 80 90 100

Eff

icie

nc

y (%

)

Relative Output Power (%)

CCFF with Skip

CCFF with Skip Off

CRM

Vin= 230 Vac, Pout(max) = 160 W85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

0 10 20 30 40 50 60 70 80 90 100

Eff

icie

nc

y (%

)

Relative Output Power (%)

CCFF with Skip

CCFF with Skip Off

CRM

Vin= 115 Vac, Pout(max) = 160 W

By adding a DC offset to the FFcontrol pin we can compare operation

in different modes

0.9V offset disables skip mode

2.5V offset forces the NCP1611 to operate in classic CRM mode

CCFF dramatically improves efficiency at light load over CRM

Page 25: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

25

PFC – Output Power Positioning

Part number 25-75 W 75-150 W 150-250 W 250-500 W >500 W

NCP1601 NCP165X

NCP1605 NCP165X

NCP1605A NCP165X

NCP1606

NCP1607

NCP1608

NCP1611/2

NCP1631 NCP1606/7/8

NCP1650 NCP1653/54/55

NCP1651

NCP1652

NCP1653/A NCP1605/06/07

NCP1654 NCP1605/06/07

Recommended Develop. Planning Exploring

Continuous conduction Mode

Fixed Freq. Discontinous Conduction & Critical Conduction Modes

Critical Conduction Mode

Better fit exists

Page 26: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

26

Generic SMPS Secondary Side Controllers

NCP100Shunt Reference

0.9V to 6V

SOT23-3 / TSOP5

TLV431Shunt Regulator

1.24V - 16V

SOT23-3

TL431Shunt Regulator

2.5V to 36V

TO92 / SO8 / u8 / PDIP8

NCP4303Sync Rect Controller

Parasitic Compensation

SOIC8

NCP431Shunt Regulator

2.5V to 36V

SOT23 / SO8 / TO92

NCP4353*S.S. Low Power Ctlr

CCCV & CV Mode

TSOP6

NCP4354*S.S. Low Power Ctlr

CCCV & CV Mode w/ LED

DvrSOIC8

NCP435xCCCV Controller

Secondary Side

TSOP6

Market Application: Notebook Adapters &

Ultra Slim Flat TVs.

Designed for use w/NCP1249 & NCP1937

to achieve <10 mW no load consumption

or use NCP1246 to achieve <20 mW.

Market Application: Precision Voltage

Reference, Charger, Switching Power

Supply, Instrumentation, & Voltage Adapters

Offering a significantly lower minimum

cathode current (50 µA typical).

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Pin to Pin

Compatible

*Kit Item

w/NCP1249,

NCP1937 or

NCP1246

Provides a Total

Solution

Production Development

Page 27: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

27

The NCP431 series of devices represents an upgrade to the industry standard TL431 by offering a significantly lower

minimum cathode current, 50µA typical, saving power consumption in the power supply

• Sink Current Capability of

50µA to 100 mA

• Programmable Output

Voltage to 36 V

• Low Dynamic Output

Impedance

• Wider range of features

delivers more diversity in

a greater range of

applications

• Equivalent Full−Range Temperature Coefficient of 50

ppm/ºC Typical

• Temperature Compensated for Operation over Full Rated

Operating Temperature Range

• Low Output Noise Voltage

• Pb−Free Packages are Available

• Voltage Adapters

• Switching Power Supply

• Precision Voltage Reference Charger

NCP431 - Low Cathode Current Programmable Precision Reference / Shunt Regulator

Others Features

Ordering & Package Information

Market & Applications

Unique Features Benefits

Value Proposition

Application Data

Page 28: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

28

The NCP4353 detects no load conditions and enters the primary controller into an ultra low frequency skip mode for

reduced standby consumption. It is designed for use with the NCP1246 to achieve <15mW no load power consumption.

• Detects no load to enter

power supply into an ultra

low frequency skip mode

• Only one opto coupler

required for feedback and

OFF control

• Increased no load

efficiency (<15mW)

• Fewer components

• Integrated TL431 feedback

• Vsupply up to 30 V

• Adjustable UVLO

• 1.25 V reference with 1% accuracy

• Icc < 100uA

• Notebook Adapters

• Ultra Slim Flat TV

NCP4353 - Secondary Side Controller for Low Standby Power

Others Features

Market & ApplicationsOrdering & Package Information

Opto

ON / OFF

&

Feedback

D1

C1 C2

VS

(12 to 20V)

OFF SupplyD2

R2

R1

R3

R4 R5

Vmin

Adjust

OFF

mode

Adjust

GND

DRIVE

Regul

OFF

UVLO

Vref1 = 1.25V

SW1

Vref1 = 1.25V

Vcc Vcc

management

PonRESET

Vcc Vdd Voltage Regulation

OFF mode

Detection

Output Voltage

Restart Level

OTA

PoffRESET

C9

R9

Regul

R6

C3

10% ,Duty 1 kHz

Oscillator

IOpto

R9

SW3

I1

R9 to

Adjust

Psave

Unique Features Benefits

Value Proposition

Application Data

Page 29: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

29

Tools & Support

Page 30: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

30 April 2012

Power Conversion

DC-DC

Page 31: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

31

1

2

3

4

5

6

7

8

9

Io-M

ax

(A)

Operating Voltage MAX (V)

12 24

●Med-voltage Regulator- 3.0-40Vin / 1-5A / 52-350 kHz

●High-voltage Controller (ext MOSFET)- 8.0-100Vin / 15A capable driver / 50-500 kHz

●Low-voltage Regulator- 4.5-19Vin / 3-10A / 350-1000 kHz

●Low-voltage Switching Regulator

- 2.7-5.5Vin / 1A-3A / ~1MHz

10

5 40 100

●Med-voltage Regulator & Controllers- 4.5-28Vin / 1-7A / 350-1000 kHz

- 4.5-28Vin / 20A capable driver / 300-2400 kHz

DC-DC Power Supply Map

ON-Line Selection Tool

Page 32: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

32

Example Architecture

+12V +/-10%

NCP3126

NCP3127

NCP3125

+5.0V @ 3.4A

+3.3V @ 2.3A

+1.8V @ 1.2A

+1.2V @ 4A

NCP1599 +0.9V @ 3A

Features:

- High Efficiency

- Cost driven

NCP3125

Page 33: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

33

Example Architecture

NCP3172+12V +/-20%

NCP3170

NCP3170

NCP3172

+5.0V @ 2.5A

+3.3V @ 1.8A

+1.8V @ 1.6A

+1.2V @ 5A

NCP1595 +0.9V @ 1A

Features:

- Fsw @ 1MHz

- Light load efficiency

- High efficiency

Page 34: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

34

Example Architecture

+5V +/-5%

NCP1597

NCP1595

NCP1593

+5.0V @ 3A

+3.3V @ 2A

+1.8V @ 1A

+1.2V @ 3A

NCP1599 +0.9V @ 2.5A

Features:

- High Fsw

- Light load efficiency

- Low Vin

Page 35: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

35

Example Architecture

NCP3020

+24V +/-10%

or

+12V +/-20%

NCP3020

NCP1599

NCP1599

+12V @ 6A

+5V @ 8A

+1.8V @ 2A

+2.5V @ 3A

NCP3155 +1.2V @ 3A

Features:

-HV input

-High Efficiency

Page 36: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

36

Low Current PWM Buck Regulator (<30V)

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Production Development

NCP3125/6/7

•4A/3A/2A sync

•4.5-13.2V

•350k / 600kHz

•SOIC-8

NCP3172

•5A sync buck

•4.5-18V

•500k / 1MHz

•DFN-8

NCP1593

• 3A sync buck

• Up to 5V input

• 1MHz

• DFN-10

• 90/60mohm Rdson

NCP5252

• 2A sync

• 4.5-13.2V

• Up to 1MHz

• QFN 3x3

• Light load efficiency

NCP1595/7/9

• 1.5A/2A/3A sync

• Up to 5V input

• MHz

• QFN 3x3

• Light load efficiency

NCP3170

• 3A sync buck

• 4.5-18Vin

• 500KHz / 1MHz

• SOIC-8

• 90/25mohm Rdson

NCP3171

•3A sync buck

•4.5-18V

•No PFM mode

•SOIC-8

NCP3180

• 3A sync buck

• 4.5-24Vin

• 500KHz / 1MHz

• SOIC-8

• 70/20mohm Rdson

Page 37: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

37

NCP3125 – 4A DC-DC Synchronous Regulator

The NCP3125 is an integrated wide input voltage high-output current synchronous PWM buck converter. The 4A

output in a standard SOIC-8 package makes the part ideal for high power density designs.

•Highly integrated 4A

solution

•Integrated FET (50m HS

& 30m LS)

•High Power Density ;

Reduced Board Space

•Highly Efficient System

(>90% max efficiency)

•350 / 600kHz Switching frequency

•Enable/Disable through the COMP pin

•Programmable current limit

•0.8V +/-1% accurate internal reference

• Computing: Power supply

• Industrial: Power supplies, Base Station, Broadband &

Optical Communication Infrastructure

• SOIC-8

• NCP3125ADR2G

•Tj from -40°C to 125°C

Others Features

Ordering & Package Information

Market & Applications

Unique Features Benefits

Value Proposition

Application Data

Adjustable Current Limit

Page 38: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

38

High Current Buck Regulator (<30V)

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Production Development

NCP3101C

•6A sync

•2.7-18V

•275kHz

•18/18mohm Rdson

NCP1594

• 6A sync buck

• 2.7-5.5Vin

• Up to 2MHz

• QFN 4x4mm

• MAX15039

NCP3102C

•10A sync

•2.7-18V

•275kHz

•8/8mohm Rdson

NCP159x

• 4A sync buck

• 2.7-5.5Vin

• Up to 2 MHz

• QFN 4x4mm

• MAX15038

NCP3104

•10A sync buck

•2.7-18Vin

•600kHz

•8/8mohm Rdson

NCP3103

•6A sync buck

•2.7-18Vin

•600kHz

•18/18mohm Rdson

Page 39: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

39

PWM Buck Regulator (20V~100V)

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Production Development

NCP3155

•3A sync buck

•4.7-24V

•500k / 1MHz

•SOIC-8

NCP3156

•5A sync buck

•4.7-24V

•500k / 1MHz

•DFN-10

NCP3157

•5A sync buck

•4.7-28V

•500k / 1MHz

•DFN-10

NCP3063/4

•1.5A non-sync

•3-40V

•Up to 250kHz

•SOIC-8/PDIP/DFN

Page 40: Power Management & Amplifiers - Компэл We have parts for all of these Topologies flyback forward half-bridge push-pull full-bridge 2-transistor forward

40

NCP1577

• NCP1576 (similar)

• 2.7-15V input

• 300/600/1000MHz

• TSSOP-20

NCP3012

•75kHz

NCP3011

•PG/EN/SYNC

•400kHz

PWM Controllers

| | | | | | | | | | | | | | | | | |

| 2010 | 2011 | 2012 | 2013 |

Production Development

NCP3021

•4.7-28V input

•EN pin

•300/600/1000kHz

•SOIC-8EP

NCP1576

•2.7-6Vin

•Up to 2MHz

•Charge pump

•QFN 4x4mmNCP3030

•1.4/2.4MHz

NCP3050

• Dual sync buck

• 4.7-28Vin

• 300/600/1000MHz

• TSSOP-20

NCP1574

•Sync buck

•2.7-30Vin

•600kHz

•SOIC-8

NCP1034

•100V sync buck

•Up to 400kHz

•2A drivers

•SOIC-16

NCP3020

•4.5-28V input

•1.5A drivers

•300/600 kHz

•SOIC-8