p-3.0 description 3.0 amp qfn preliminary3.0 amp qfn package r e c o m c onve r t r s c o m p lia...

www.recom-power.com REV.: 0/2021 I-1

RPX-3.0

DC/DC ConverterFeatures

PowerModule

• Buck regulator power module with integrated shielded inductor

• 36V maximum input voltage• 3A maximum output current• SCP, OCP, OTP, OVP, and prog. UVLO protection• Flip-chip technology for improved thermal man-

agement• Efficiency up to 95%

33.0 Amp QFNPackage

RE

COM

CONVERTERS

CO

MPLIANT PRO

DU

CTS

RoHS 2+compliant10 from 10

RE

COM

CONVERTERS

CO

MPLIANT PRO

DU

CTS

REACHcompliant

DescriptionThe RPX-3.0 is a buck converter with integrated inductor in a 7 x 9 x 4mm thermally-enhanced QFN package. The input range is from 4.5 to 36VDC, allowing 5V, 12V or 24V supply voltages to be used. The output voltage can be set with two resistors in the range from 1V up to 18V. The output current is up to 3A and is fully protected against continuous short-circuits, output overcurrent or over-temperature faults. RPX-3.0 is perfect for smart meters, industrial applications, test and measurement equipment, and distributed power architectures.

Selection Guide

Notes: Note1: Efficiency tested at VIN= 12VDC, full load and VOUT= 3.3VDC

Model Numbering

Notes: Note2: add suffix “-R” for tape and reel packaging (refer to ““PACKAGING INFORMATION”)

Output Current Packaging (2)

RPX-3.0-_

PartNumber

Input Voltage Range

[VDC]

OutputVoltage[VDC]

OutputCurrent max.

[mA]

Efficiency (1)

typ.[%]

RPX-3.0 3.5 - 361 - 13.5 @ 3A1 - 18 @ 2A

3000 87

ABSOLUTE MAX RATINGS (exceeding these ratings may damage the device)

Parameter Conditions Min. Typ. Max.

Absolute Maximum Voltage

VIN to PGND -0.3VDC 42VDC

CTRL to AGND -5.5VDC 42.3VDC

FB, CLK_set to AGND -0.3VDC 4.5VDC

PGOOD to AGND -0.3VDC 15VDC

ANGD to PGND -0.3VDC 0.3VDC

VOUT to PGND -0.3VDC 42VDC

SW to PGND -1.0VDC 42.3VDC

SW (transient <10ns) to PGND -5.0VDC 42VDC

continued on next page

Specifications

www.recom-power.com/eval-ref-boards

Prelim

inary

http://www.recom-power.com


https://www.recom-power.com/pdf/Eval-Boards/RPX-1.0-EVM-1.pdf

https://www.recom-power.com/products/eval-boards.html


DC/DC ConverterSpecifications

RPX-3.0Series

OPERATING CONDITIONS (VIN= 12VDC, TAMB= +25°C, unless otherwise noted)

Parameter Condition Min. Typ. Max.Input Voltage Range (4) 4VDC 36VDC

Under Voltage Lockout (default setting)

DC-DC ON, VOUT= 2.5VDC, IOUT= 0ADC-DC OFF, VOUT= 2.5VDC, IOUT= 0A

3.3VDC3.0VDC

3.6VDC3.3VDC

3.9VDC3.5VDC

Under Voltage Lockout hysteresis refer to “Under Voltage Lockout Setting” 300mV

User defined UVLO thresholdVOUT ≤5VDCVOUT >5VDC

VOUT + 1.5VDCVOUT x 1.3

Input Capacitance for all VOUT9.4µF ceramic

(2x 4.7µF)

Output Capacitance VOUT= 12VDC 22µF 80µF

Output Voltage Range refer to “Output Current vs. Output Voltage” 1VDC 18VDC

Output Current Range @natural convection, TAMB= 25°C 0A 3A

Standby Current DC-DC OFF 2µA 4µA

Feedback Voltage IOUT= 0A, Over VIN range, VOUT= 2.5VDC 0.98VDC 1.00VDC 1.02VDC

Load Regulation 0-100% load, TAMB= +25°C 0.15% (0.04)

Line Regulation 0.1%

Feedback leakage current IFB, VFB= 1VDC 10nA

Internal Soft Start Time 6ms

Output Ripple and Noise 20Mhz BW 25mVp-p

ABSOLUTE MAX RATINGS (exceeding these ratings may damage the device)

Parameter Conditions Min. Typ. Max.Junction Temperature (3) -40°C +125°C

Lead Temperature 240°C

Storage Temperature -55°C +150°C

Maximum number of reflows 1

Mechanical ShockMIL-STD-883D, Method 2002.3,

1ms, 1/2 sine, mounted500G

Mechanical Vibration Mil-STD-883D, Method 2007.2, 20 to 2000Hz 20G

Notes: Note3: Refer to “Safe Operating Area”.

Notes: Note4: Refer to “DROPOUT VOLTAGE”

VOUT

PGOOD

+Vout

FB

VINPGOODVIN

CLK_set

RCLK_set

RFBT

RFBB

CTRL/SYNC

PGND

RPX-3.0CFF COUT

CIN

AGND

Below table is a design example following the application guidelines for the specifications below.Design Parameter: VIN= 24VDC, VOUT= 5VDC, IOUT= 3A, fSW= 450kHz

Typical Application

Recommended ValuesCIN

[µF]RFBT [W]

RFBB [W]

CFF [pF]

fSW [kHz]

RCLK_set

[kW]Cout(min)

[µF]Cout(max)

[µF]

9.4 40k2 10k 100 450 88k7 66 200

Prelim

inary





RPX-3.0Series

OUTPUT CURRENT VS. OUTPUT VOLTAGE

SAFE OPERATING AREA

0 4 8 12 16 2022.51

6 10 14 18

38

3032

2224

1416

3436

2628

1820

1012

68

24

0

Inpu

t Vol

tage

[VDC

]

Output Voltage [VDC]

0 4 8 12 1613.5

202 6 10 14 18

3.5

3.0

2.0

2.5

1.5

1.0

0.5

0

Outp

ut L

oad

[A]

Output Voltage [VDC]

DROPOUT VOLTAGE


Dropout Voltage vs LoadVOUT= 3.3VDC, fSW= 300kHz

3.3 3.53.4 3.6 3.83.7 3.9 4.0 4.1 4.2 4.3 4.4 4.5

3.4

3.2

3.0

2.8

3.3

3.1

2.9

2.7

2.6

2.4

2.5

2.3

2.2

Outp

ut V

olta

ge [V

DC]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

3.3 3.53.4 3.6 3.83.7 3.9 4.0 4.1 4.2 4.3 4.4 4.5

350

300

250

200

325

275

225

175

150

100

125

75

50

Freq

uenc

y [k

Hz]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

Frequency vs Load

Prelim

inary





RPX-3.0Series

DROPOUT VOLTAGE

Dropout Voltage vs Load Frequency vs Load

11.0 11.411.2 11.6 12.011.8 12.2 12.4 12.6 12.8 13.0 13.2 13.4

12.4

12.2

11.8

11.4

11.0

12.0

11.6

11.2

10.8

10.6

10.2

10.4

10.0

9.8

Outp

ut V

olta

ge [V

DC]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

11.0 12.011.5 12.5 13.513.0 14.0 14.5 15.0 15.5 16.0

1000

600

700

800

900

500

400

200

300

100

0

Freq

uenc

y [k

Hz]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

Dropout Voltage vs Load Frequency vs Load

4.0 4.44.2 4.6 5.04.8 5.2 5.4 5.6 5.8 6.0 6.2 6.4

5.4

5.0

4.6

4.2

5.2

4.8

4.4

4.0

3.8

3.4

3.6

3.2

3.0

Outp

ut V

olta

ge [V

DC]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

4.0 4.64.3 4.9 5.55.2 5.8 6.1 6.4 6.7 7.0

500

400

450

350

300

200

250

150

100Fr

eque

ncy

[kHz

]

Input Voltage [VDC]

0.5A1.0A2.0A3.0A

VOUT= 5VDC, fSW= 450kHz

VOUT= 12VDC, fSW= 900kHz

UNDER VOLTAGE LOCKOUT SETTING

VINVIN

CTRL

PGND

RUVLO1

RUVLO2

Resistor Values for UVLO Setting UVLO [VDC] 6.5 10 15 20 25 30

RUVLO1 [W] 100k 100k 100k 100k 100k 100k

RUVLO2 [W] 35k7 20k5 12k7 9k31 7k32 6k04

Prelim

inary





RPX-3.0Series

CTRL AND SYNC OPERATING CONDITIONSParameter Condition Min. Typ. Max.CTRL rising Threshold VCTRL-H 1.4VDC 1.55VDC 1.7VDC

CTRL hysteresis Voltage VCTRL-HYS 400mV

SYNC High Threshold VSYNC 5.5VDC

SYNC Low Threshold VSYNC 2.8VDC

Minimum SYNC ON/OFF Time 100ns

External Clock 200kHz 1.2MHz

VIN

ext. sig

VIN

CTRL/SYNC

PGND

VIN

ext. sig

VIN

CTRL/SYNC

PGND

VIN

ext. clocksource

VIN

CTRL/SYNC

PGND

RUVLO1

RUVLO2

CSYNC

VOUT +Vout

FB

RFBT

CFF COUT

RFBB

10kΩ

VIN VIN

CTRL/SYNC

PGNDAGNDPGND

VOUT +Vout

FB

RFBT

CFF COUT

RFBB

10kΩ

VIN VIN

CTRL/SYNC

PGNDAGNDPGND

Always ONTypical enable control

fSW control

OUTPUT VOLTAGE SETTING

Calculation:Vout = trimmed output voltage [VDC]

RFBB = Trim resistor (10kW) [kW]

RFBT = calculated trim resistor [kW]

Required Component Values (VOUT ≥2.5VDC)VOUT

[VDC]RFBT [W]

CFF [pF]

fSW [kHz]

RCLK_set

[kW]Cout(min)

[µF]Cout(max)

[µF]

2.5 15k0 220 250 162k 150 400

3.3 23k2 150 300 133k 88 300

5 40k2 100 450 88k7 66 200

6 49k9 68 550 71k5 54 160

7.5 64k9 47 650 60k4 40 130

9 80k6 47 700 56k2 36 110

12 110k open 900 44k2 22 80

13.5 124k open 1000 39k2 22 75

15 140k open 1100 35k7 20 65

18 169k open 1200 33k2 16 55

Required Component Values (VOUT <2.5VDC)VOUT

[VDC]RFBT [W]

CFF [pF]

fSW [kHz]

RCLK_set

[kW]Cout [µF]

1 to 2.5 refer to calc open 250 162 150 + 470

Output Voltage Setting

𝑹𝑹𝑹𝑹𝑭𝑭𝑭𝑭𝑭𝑭𝑭𝑭𝑭𝑭𝑭𝑭 = 𝑅𝑅𝑅𝑅𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹𝐹 𝑥𝑥𝑥𝑥 (𝑉𝑉𝑉𝑉𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂𝑂 − 1)

VOUT +Vout

FB

RFBT

CFF COUT

RFBB

10kΩ

VIN VIN

CTRL

PGNDAGNDAGND

Prelim

inary





RPX-3.0Series

SWITCHING CHARACTERISTICSParameter Condition Min. Typ. Max.Switching Frequency Range IOUT= 0A 200kHz 1200kHz

Default Switching Frequency CLK_set pin= open, IOUT= 0A 340kHz 400kHz 460kHz

The switching frequency range of the RPX-3.0 is 200kHz to 1.2MHz. The switching frequency can easily be set by connecting a resistor (RCLK_set) between the CLK_set pin and AGND. Additionally, the CLK_set pin can be left floating, and the RPX-3.0 will operate at 400kHz default switching frequency.

Switching Frequency vs. Output Voltage (IOUT= 3A)

Switching Frequency

[kHz]RCLK_set Resistor [W]

VIN= 5VDC ±10% VIN= 12VDC ±10% VIN= 24VDC ±10%

VOUT Range [VDC] VOUT Range [VDC] VOUT Range [VDC]

MIN MAX MIN MAX MIN MAX

200 200k 1 3 1 5.1 1 3.8

250 158k 1 3.2 1 5.8 1 5.2

300 133k 1 3.2 1 6.4 1 7.1

350 113k 1 3.1 1 6.9 1 10.2

400 100k or (CLK_set pin open) 1 3.1 1 7.5 1 10.9

450 88k7 1 3.1 1 7.9 1.2 11.5

500 78k7 1 3.0 1 8.4 1.3 12.2

550 71k5 1 3.0 1 8.8 1.4 12.8


Calculation:R_CLK_SET

𝑹𝑹𝑹𝑹𝑪𝑪𝑪𝑪𝑪𝑪𝑪𝑪𝑪𝑪𝑪𝑪_𝒔𝒔𝒔𝒔𝒔𝒔𝒔𝒔𝒔𝒔𝒔𝒔 = 40200𝑓𝑓𝑓𝑓𝑠𝑠𝑠𝑠𝑠𝑠𝑠𝑠(𝑘𝑘𝑘𝑘𝑘𝑘𝑘𝑘𝑘𝑘𝑘𝑘) − 0.6(𝑘𝑘𝑘𝑘Ω)

POWER GOOD OPERATING CONDITIONSParameter Condition Min. Typ. Max.PG pull up Voltage -0.3VDC 12VDC

PG ThresholdsOvervoltageUndervoltage

104%92%

107%94%

110%96.5%

PG low Voltage 0.5mA pullup, VCTRL= 0VDC 0.4VDC

Minimum VIN for valid PG 50µA pullup, VCTRL= 0VDC, TA= +25°C 1.5VDC

PG sink Current 1mA

A typical pullup resistor value is between 10kW and 100kW.

VFB

PGOOD

High

Low

107%105.5%

94%92.5%

PGOOD

AGND

Rpullup

DC+

-

Prelim

inary





RPX-3.0Series

Switching Frequency vs. Output Voltage (IOUT= 3A)

Switching Frequency





600 66k5 1 3.0 1 9 1.6 13.4

650 60k4 1 2.9 1 8.9 1.7 13.5

700 56k2 1 2.9 1 8.9 1.8 13.5

750 52k3 1 2.9 1 8.8 2 13.5

800 49k9 1 2.8 1 8.7 2.1 13.5

850 46k4 1 2.8 1.1 8.6 2.2 13.5

900 44k2 1 2.8 1.2 8.5 2.3 13.5

950 41k2 1 2.7 1.2 8.4 2.5 13.5

1000 39k2 1 2.7 1.3 8.4 2.6 13.5

1050 37k4 1 2.7 1.4 8.3 2.7 13.5

1100 35k7 1 2.6 1.4 8.2 2.9 13.5

1150 34k 1 2.6 1.5 8.1 3 13.5

1200 33k2 1 2.6 1.6 8.0 3.1 13.5

Switching Frequency vs. Output Voltage (IOUT ≤2A)

Switching Frequency





200 200k 1 3.4 1 5.5 1 6.2

250 158k 1 3.5 1 6.2 1 10.6

300 133k 1 3.5 1 6.8 1 10.6

350 113k 1 3.5 1 7.4 1 10.7

400 100k or (CLK_set open) 1 3.5 1 7.9 1 11.4

450 88k7 1 3.5 1 8.4 1.2 12.1

500 78k7 1 3.5 1 8.9 1.3 12.8

550 71k5 1 3.4 1 9.3 1.4 13.4

600 66k5 1 3.4 1 9.5 1.6 14.1

650 60k4 1 3.4 1 9.4 1.7 14.6

700 56k2 1 3.3 1 9.3 1.8 15.2

750 52k3 1 3.3 1 9.2 2 15.8

800 49k9 1 3.3 1 9.1 2.1 16.3

850 46k4 1 3.2 1.1 9 2.2 16.8

900 44k2 1 3.2 1.2 9 2.3 17.3

950 41k2 1 3.2 1.2 8.9 2.5 17.8

1000 39k2 1 3.1 1.3 8.8 2.6 18

1050 37k4 1 3.1 1.4 8.7 2.7 18

1100 35k7 1 3.1 1.4 8.6 2.9 18

1150 34k 1 3.0 1.5 8.5 3 18

1200 33k2 1 3.0 1.6 8.5 3.1 18

Prelim

inary





RPX-3.0Series

PROTECTIONS (VIN= 12VDC, TAMB= +25°C, unless otherwise noted)

Parameter Condition Min. Typ. Max.Over Current Protection (OCP) hiccup mode 4A

Thermal Shutdown restart after cooling down

hysteresis 10°C+170°C

15°C

TYPICAL PERFORMANCE CHARACTERISTICS (VOUT= 3.3VDC, TAMB= +25°C , unless otherwise noted)

Efficiency vs. Load

0 10 20 30 40 50 60 70 80 90 100

100

80

60

40

90

70

50

30

20

10

0

Effic

ienc

y [%

]

Output Load [%]

5Vin9Vin12Vin24Vin36Vin

Thermal Derating

0 20 40 706010 30 50 80 90 110100

100

80

60

40

90

70

50

30

20

10

0

Outp

ut P

ower

[%]

Ambient Temperature [°C]


3

2

1

2.5

1.5

0.5

0

Pow

er D

issi

patio

n [W

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


Power Dissipation Deviation vs. Load0

-0.4

-0.6

-0.8

-0.3

-0.2

-0.1

-0.5

-0.7

-0.9

-1

Devi

atio

n [%

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


Prelim

inary





RPX-3.0Series

TYPICAL PERFORMANCE CHARACTERISTICS (VOUT= 12VDC, TAMB= +25°C, unless otherwise noted)



Deviation vs. Load0.50

0.30

0.20

0.10

0.35

0.40

0.45

0.25

0.15

0.05

0

Devi

atio

n [%

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]

6.5Vin9Vin12Vin24Vin36Vin

3

2

1

2.5

1.5

0.5

0

Pow

er D

issi

patio

n [W

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


Power Dissipation

Efficiency vs. Load

0 10 20 30 40 50 60 70 80 90 100

100

80

60

40

90

70

50

30

20

10

0

Effic

ienc

y [%

]

Output Load [%]


Thermal Derating

0 20 40 706010 30 50 80 90 110100

100

80

60

40

90

70

50

30

20

10

0Ou

tput

Pow

er [%

]



Efficiency vs. Load

0 10 20 30 40 50 60 70 80 90 100

100

80

60

40

90

70

50

30

20

10

0

Effic

ienc

y [%

]

Output Load [%]

15Vin18Vin24Vin36Vin

Thermal Derating

-40 -20 0 20 40 7060-30 -10 10 30 50 80 90 110100

100

80

60

40

90

70

50

30

20

10

0

Outp

ut P

ower

[%]



Prelim

inary





RPX-3.0Series


Efficiency vs. Load

0 10 20 30 40 50 60 70 80 90 100

100

80

60

40

90

70

50

30

20

10

0

Effic

ienc

y [%

]

Output Load [%]


Thermal Derating

-40 -20 0 20 40 7060-30 -10 10 30 50 80 90 110100

100

80

60

40

90

70

50

30

20

10

0

Outp

ut P

ower

[%]



Deviation vs. Load0

-0.4

-0.6

-0.8

-0.3

-0.2

-0.1

-0.5

-0.7

-0.9

-1.0

Devi

atio

n [%

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


4.5

3

4

2

1

3.5

2.5

1.5

0.5

0

Pow

er D

issi

patio

n [W

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


Power Dissipation


6

4

2

5

3

1

0

Pow

er D

issi

patio

n [W

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]


Power Dissipation Deviation vs. Load0

-0.4

-0.6

-0.8

-0.3

-0.2

-0.1

-0.5

-0.7

-0.9

-1

Devi

atio

n [%

]

0 10 20 30 40 50 60 70 80 90 100

Output Load [%]

20Vin24Vin30Vin36VinPrelim

inary





RPX-3.0Series

THERMAL OPERATING CONDITIONS (VIN= 12VDC, TAMB= +25°C, unless otherwise noted)

Parameter Condition Min. Typ. Max.Operating Ambient Temperature -40°C +105°C

Thermal Resistance (6) JAMB 18.9K/W

ESDHuman-body model (HBM), per ANSI/ESDA/JEDEC JS-001

Charged-device model (CDM), per JEDEC specification JESD22-C101±2.5kVDC±750VDC

Moisture Sensitive Level MSL peak temp. (7) Level 3, 260°C, 168hrs

MTBF according to Bellcore TR332, 50% stress, G.B. TAMB= +40°C 98000 x 10³ hours

Notes: Note6: Test PCB= 63 x 63 mm, 4-layer PCB with 2 oz copper and natural convection cooling. Note7: The Moisture Sensitive Level rating according to the JEDEC industry classification and peak solder temperature

DIMENSION AND PHYSICAL CHARACTERISTICSParameter Type ValueMaterial case plastic

Dimension (LxWxH) 9.0 x 7.0 x 4.1mm

Weight 0.74g typ.


Dimension Drawing (mm)

1

7 108 9

23

4

5

6 11

12

13

14

15161718

46X

0.25

±0.

05

9.00

±0.

15

7.00±0.15

2X 3

.48±

0.05

2X 0

.77±

0.05

0.5±0.1 TYP

2X exposedthermal pads

2X 7

.5

0.255 TYP

0.2

TYP

0.02

4.1

MAX

2X 5.551

2X 1.60±0.05

2X 1.33

2X 0.105

PIN 1 IDIndex Area

PKG

PKG

Top View

Prelim

inary





RPX-3.0Series

1

7 108 9

23

4

5

6 11

12

13

14

15161718

46X

0.25

±0.

05

9.00

±0.

15

7.00±0.15

2X 3

.48±

0.05

2X 0

.77±

0.05

0.5±0.1 TYP

2X exposedthermal pads

2X 7

.5

0.255 TYP

0.2

TYP

0.02

4.1

MAX

2X 5.551

2X 1.60±0.05

2X 1.33

2X 0.105

PIN 1 IDIndex Area

PKG

PKG Bottom View

Pad InformationPad # Function Description

1 AGNDAnalog ground for internal reference and logic circuits. DO NOT CONNECT TO

PGND. See recommended layout.

2 CTRL/SYNCControl pin / Sync pin. Can be connected to Vin for always ON, to an oscilla-

tor to synchronize the clock, or to a resistor devider to set UVLO.

3 CLK_set Clock set. Sets switching frequency of device with external resistor to AGND.

4 VINInput voltage. Connect a low-ESR low-inductance external bypass capacitor

between this pin and PGND as close to the pins as possible

5, 14,

15, 18PGND

Power ground. This is the return current path for the power stage of the device. Connect pin 5 to the input source, the load, and to the Power ground for power stage of device. Connect pin 5 to input source, load, and input and output capacitors. Connect pins 14 and 15 to pin 18 to create lower ground

plane. See layout section for example.

6, 7, 8 VOUTOutput voltage. Connect external bypass capacitors between this pin and GND

close to the pins

9, 10,

11SW

Switch node. Connect these pins together underneath the power module to improve thermal performance. Pins must be isolated from all other pads.

12, 13 DNC Do not connect. Must be soldered to an isolated pad

16 FB Feedback input. Used to set the output voltage between 1V and 18V

17 PGOOD Power good open drain output.

Recommended Footprint Land Pattern (Top View)

0.69

0

0.17

546

X 0.

250.

150.

050.

825

1.60

02.

510

3.42

03.

935

4.33

0

1.60

02.

510

3.42

03.

800

4.35

0

0.5050.595

0.39512X 0.7

123

4

5

6

7 89

10

11

12

13

1415

161718

0.5 7X 0.251.2952.1953.350

0.7601.4052.4502.9473.350

2X 1.6

PKG

PKG

Prelim

inary





RPX-3.0Series

SOLDERING

Wave or Reflow etc.

Profile Feature PB-Free Assembly

Preheat

minimum Temperature (TS_min) 155°C

maximum Temperature (TS_max) 245°C

Time (tS) 100s-300s

Liquidus

Temperature (TL) 217°C

Time (tL) 30-60s

Peak Temperature (TP) 245°C

Time remaining around Peak Temperature 10s

max Ramp Down Rate (from Ts_max to TP) 5°C/s

max Ramp Up Rate 3°C/S

max time from 25°C to Peak Temperature (TP) 8min

1 Pb-Free assembly is recommended according to JEDEC J-STD020.

2 Ensure that the peak reflow temperature does not exceed 240°C ±5°C as per JEDEC J-STD020

3 The reflow time period during peak temperature of 240°C ±5°C should not exceed 30 seconds.

4 Reflow time above liquidus (217°C) should not exceed 150 seconds.

5 For solder paste use a standard SAC Alloy such as SAC 305, type 3 or higher.

6 Other soldering methods (e.g. vaporphase) are not verified and have to be validated by the customer on his own risk.

00 100 300200

100

200

155°C

185°C217°C

217°C

300

Time [s]

Tem

pera

ture

[°C]

Ramp Down Rate: -1~ -5°C/sRamp Up Rate: 1-3°C/s

Preheat Temp.: 60-120°C

Peak Temp.: 240-245°CPeak Time: 10s max.

Ramp up Rate: 1-3°C/sMelting Time: 30-60s

PREHEAT ZONE COOLINGACTUALHEATING

Solder Profil

BLOCKDIAGRAMM

FB

Protections

Soft-StartUVLO

Input-Circuit

CTRL-Logic

Output-Circuit

VREF

Oscillator

PGood-Logic

Shutdown-Logic

Powerstageand Control

Logic

CTRL/SYNC

VIN

VOUT

SW

PGND

CLK_set

PGOOD

AGND

Prelim

inary





RPX-3.0Series

PACKAGING INFORMATIONParameter Type Value

Packaging Dimension (LxWxH)

reel (diameter + width)tape and reel (carton)

Ø330.0 + 30.0mm height383.0 x 353.0 x 58.0mm

moisture barrier bag (“-CT”) 100.0 x 100.0 x 30.0mm

Packaging Quantitytape and reel 500pcs

tube (“-CT”) 10pcs

Tape Width 24mm

Storage Temperature Range -40°C to +150°C

Storage Humidity non-condensing 95% RH max.

The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized

use of RECOM products in such safety-critical applications.

Prelim

inary



p-3.0 description 3.0 amp qfn preliminary3.0 amp qfn package r e c o m c onve r t r s c o m p lia...

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