10w led driver using uld3380 - unisonic€¦ · average efficiency > 86 % ... capacitor aluminum...

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UNISONIC TECHNOLOGIES CO., LTD

10W LED Driver Using ULD3380

Subject

Key features:

●AC Input Full Range 90Vac~264Vac

●DC Output 31Vdc / 0.33A

●Average Efficiency > 86 %

●Short Circuit Protection and Open Loop

Revision History

Revise Date Version Reason/Issue

2014/1/3 1.1

UNISONIC TECHNOLOGIES CO., LTDwww.unisonic.com.tw

ULD3380 31V / 0.33A Non Isolated LED Driver Demo Board Manual

Protection.

http://www.unisonic.com.tw/

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Contents Index Page

1 LED Demo Board Specification 31.1. Input Characteristics 31.2. Output Characteristics 31.3. Performance Specifications 31.4. Protection Function 31.5. Environment 3

2 LED Demo Board Information 42.1. Schematic 42.2. BOM 4,52.3. Module Snapshot 5

3 Performance Evaluation 63.1. Input Characteristics 73.1.1 Input Current 73.1.2 Efficiency at Full Load 73.1.3 Setting LED Quantity 83.2. Output Characteristics 83.2.1. Output Current Regulation 83.2.2. Ripple & Noise 8,93.2.3. Start-Up Time and Hold-Up Time 93.2.3.1Start-Up Time 93.2.3.2Hold-Up Time 9,103.3. Protection 113.3.1. Over Voltage Protection 103.3.2. Short Circuit Protection 113.4. Thermal Testing 12

4 Other Important Waveforms-10 LED 134.1.1 Waveform Vds;Vsense @90Vac/60Hz, Full Load 134.1.2 Waveform :Vds;Ids @115Vac/60Hz, Full Load 134.1.3 Waveform :Vds;Vsense @230Vac/50Hz, Full Load 144.1.4 Waveform :Vds;Ids @115Vac/60Hz, Full Load 144.2. 154.2.1 154.2.2 15

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UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw

Start up at Full Load Waveform :Vds & VakNormal Operation at Full Load Waveform :Vds & Vak.

Vds(max) and Vak(max) Operating@Start / Normal / Output Short

4.2.3 Output Short to Ground Waveform :Vds; Vak.

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1. LED Driver Demo Board Specification1.1. Input Characteristics● AC input voltage rating 100Vac ~ 240Vac● AC input voltage range 90Vac ~ 264Vac● AC input frequency range 47Hz ~ 63Hz

1.2. Output Characteristics● Output Voltage 31.2V● Max. load current 0.33A

1.3. Performance Specifications● Maximum Output Power 10W● Average Efficiency

● Current Load Regulation < 5%● Current Line Regulation < 5%● Current Ripple & Noise < 40mA

1.4. Protection Function● Short Circuit Protection Shut down and Auto Recover● Open Loop Protection Limit to 37V Output and Auto Recover

1.5. Environment● Operation Temperature 0℃ to 40 ℃● Operation Humidity 20% to 90% R.H● Storage Temperature -40℃ to 60 ℃● Storage Humidity 0% to 90% R.H


>86%

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2. LED Demo Board Information2.1. Schematic

2.2. BOMNo.

1

2

3

4

5

6

7

8

9


Capacitor Ceramic Chip 3.3nF/ 50V /X7R /0805, ±10% 1

BD1 Bridge Diode B6S /SMD 0.5A/600V . 1

EC3Capacitor aluminum electrolytic 4.7UF/400V, 105℃ ,±20%.Capacitor aluminum electrolytic 22UF/50V,105℃,±20%.Capacitor aluminum electrolytic 4.7uF/ 50V /X7R /0805, ±20%

Diode FR107/DIP, Fast Diode, 1A/1000V.

Fuse T 1.0A/250V

EC4

D1

D3 Diode ER206/DIP ,Ultra Fast Diode 2A/600V.

L1

F1

C4

Position Description

EC1;EC2

Inductor DIP 1mH/Φ0.27mm 1

1

Quantity

2

1

1

1

1

5


No.10

11

12

13

14

15

16

17

18

19

20

21

2223

24

25

2.3. Module Snapshot


PCB 60mm( L) X 25(W)mmX1.6mm (T) 1

ZD2 Diode Zener DIP/39V/1W. 1

1

RD1 Resistor Chip 10R /0603 ,1/16W,±5% 1

C2,C3 Capacitor Ceramic Chip NC/0805 1

R7,R8,R9,R11 Resistor Chip NC/0603 ,1/16W,±5% 4

R5

2Resistor Chip 1.2R/1206 ,1/4W,±5%R3;R4

U1 1

1

1

RX1 Resistor Chip 10K/0603 ,1/16W,±5%

Position

IC UTC LED Driver ULD3380-SOT26

Resistor Chip , 3.3R/1206 ,1/4W,±5%

ResistorChip 0R/0603 ,1/16W,±5%

Resistor Chip,3K3/0603 ,1/16W,±5%

Resistor Chip,22R/0603 ,1/16W,±5%

Inductor DIP 0.68mH/Φ0.27mmDescription

L2

R1,R2 Resistor Chip 750K/1206 ,1/4W,±5% 2

RX2

R10

R12

1

1

1

Resistor DIP 1M,1/4W,±5%

Q1

R6

MOSFET,MOS power N-channel, 4N/60,4A/600V, TO-220F

1

Quantity1

Length 60mm

Width 25mm

Height22mm

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3. Performance Evaluation This document presented here is to describe the Adaptor Module performance. The measuring data are tested at the board end.Unless otherwise specified. All testing data are at full load ,that means 10LEDs rae lighted.

The Summarized Result :

Test Equipment:


Current Load Regulation 4.00%

Output Typical Voltage 31V

Chroma

39.2mA

Model No:

Ripple & Nnoise3. Protection Short Circuit Protection

1.AC Source

Open Loop Protection

2000Keithley

Output Typical Current

Test result

Current Line Regulation

89.26% / 88.19%

4.40%

Averaged Efficiency (@115Vac / 230Vac )

3.LEDs Load

0.33A

Item1. Input Characteristics

10.3W2. Output characteristics Output Typical Power

66202Chroma

5.Multi-meter

Item

Opex PT-3S6.Thermal meter

Shut Down and Auto RecoveryLimit to 37V and Auto Recover

4.Digital Oscilloscope

61602 Vendor

Tektronics

2.Digital Power meter

DPO3014


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3.1. Input Characteristics3.1.1 Input Current

Table 1 Input Current @ Full Load :

Input90Vac/60Hz

115Vac/60Hz

180Vac/50Hz

230Vac/50Hz

264Vac/50Hz

3.1.2 Efficiency Operation at Full Load:

10 LED 8 LED 5 LED 10 LED 8 LED 5 LED 10 LED 8 LED 5 LED 10 LED 8 LED 5 LED

Fig1 Input Voltage Vs Efficiency


88.02 83.35

88.41

230Vac/50Hz

6.51

10.05

11.95 6.50

Efficiency(%)Pin(mW)

330.50

Io(mA)InputVoltage

88.98

Vo(V)

11.63

84.36 80.05338.10 344.306.8612.13 335.50264Vac/50Hz

9.61

31.49

9.50

89.52

87.77

88.19

83.22

88.33 82.35

86.15 81.30

31.34 89.26

340.20

336.60 340.61327.80

335.30 324.40

334.80

333.0015.87

15.95

15.89

25.27

PF

Table 2 Efficiency :Operation at 10 LEDs;8 LEDs;5 LEDs each.

335.3015.9525.20

9.59

31.316.46 25.18

31.31

216.8175.6141.9136.1

0.591

131.2

0.5230.5280.502

Irms(mA)

31.43 25.23

115Vac/60Hz 6.52

337.10

9.60

180Vac/50Hz 326.80

15.9311.51

11.43

25.19

90Vac/60Hz

0.583

74.00 76.00 78.00 80.00 82.00 84.00 86.00 88.00 90.00 92.00

Effic

ienc

y(%

)

Input Voltage

10 LED

8 LED

5 LED


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3.1.3 Setting LED Quantity:

10 LED 8 LED 5 LED

R10 / 0.25W 1M Ω 750KΩ 430KΩ

3.2 Output Characteristics3.2.1 Output Current Regulation .Table 4 Line Regulation and Load Regulation

90Vac/60Hz

115Vac/60Hz

180Vac/50Hz

230Vac/50Hz `264Vac/50Hz

3.2.2 Ripple & Noise-Full LoadTable 5 Ripple & Noise

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz


2.944.003.093.091.88

3.42 4.40 3.42

31V(10 LED)

For different LED Quantity,the R10 will be changed as following list.

DimmingControl

Resisitor Actl

337.10

330.50327.80

InputVoltage

326.80

Output Current(mA)

333.00348.50338.10

Ripple &Noise(mA) Remark

340.61334.80

LineRegulation

(%)

16V(5 LED)

LED Q'ty

25V(8 LED)

344.30

340.20336.60

29.6

Fig.3

CH1 Current Waveform ,CH2 Voltage Wavefor

39.237.6

Fig.3 Ripple & Noise 115Vac/60Hz

30.4

Fig.2

Fig.5

335.30

335.30 343.20

LoadRegulation

(%)

CH1 Current Waveform ,CH2 Voltage WaveformFig.2 Ripple & Noise 90Vac/60Hz

InputVoltage

Fig.4

Table 3. Setting LED Quantity


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Fig.4 Ripple & Noise 230Vac/50Hz Fig.5 Ripple & Noise 264Vac/50Hz

3.2.3.1 Start- up TimeTable 6 . Start- up Time

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz

Fig.6 90Vac / 60Hz,Start Up Fig.7 264Vac / 50Hz, Start Up

3.2.3.2 Hold- up TimeTable 7 Hold- up Time

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz


CH1 Current Waveform ,CH2 Voltage Wavef

2.20

Fig.6

138146

Hold-Up Time(ms)

CH2 Current Waveform ,CH2 AC Voltage Wavef

3.2.3 Start- Up Time and Hold-Up Time -Full Loa

─

─

CH1 Current Waveform ,CH2 Voltage Waveform

1112

1.70

RemarkInputVoltage

Start-Up Time(ms)

Fig.7

Fig.9

592 ─

─

CH2 Current Waveform ,CH1 AC Voltage Waveform

InputVoltage

33.00

Remark

Fig.8

42.00


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Fig.8 90Vac / 60Hz,Hold- Up Time Fig.9 264Vac / 50Hz, Hold- Up Time


CH2 Current Waveform ,CH1 AC Voltage Waveform CH2 Current Waveform ,CH1 AC Voltage Wavef


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3.3.1 Open Loop Protection

When Short Circuit Protection condition is removed and the power automatically recoverTable 9 Short Circuit Protection

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz

Fig.11 264Vac / 50Hz Short Circuit Test


208

Fig. 10 90Vac / 60Hz Short Circuit

380

Vds(V)

CH1 Vds Waveform ,CH2 Vsense Waveform CH1 Vds Waveform ,CH2 Vsense Waveform

126 Fig.11─

Fig.1019.8 ─

112

11

3.3 Protection

368

3.4 Short Circuit Protection:

115Vac/60Hz

152

Table 8 Open Loop protection

Remark

Remark

When LED connection is opened , the Output will be limited to 37V.Once the condition is removed, and the power will be back to normal output Voltage .

37.73

Pi(mW)

Input Voltage Open loop Protection(V)

264Vac/50Hz

InputVoltage

37.64

230Vac/50Hz

37.60

37.73

90Vac/60Hz


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10W LED Driver Using ULD3380 Tested at Room temperature 34℃ in Plastic ABS Case.

Table10 Thermal TestingInput

V lt90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz


55℃

54℃

33℃

EMI FilterULD3380

56℃57℃

3.4. Thermal Testing

MOSFET

(Case Dimension 61mmX35mmX120mm).

55℃

Output Choke

62℃

74℃81℃

60℃

46℃

43℃

34℃68℃

54℃

54℃


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4. Other Important Waveforms-10 LED4.1.1.Waveform Vds;Vsense @90Vac/60Hz, Full Load Measuring Data:Vds=144Vp-p; Sense=856mVp-p

Fig.12 Vds;Sense@90Vac/60Hz,Full Load

Measuring Data Vds=180Vp-p;Senss=968mVp-p; Frequency:58.48KHz

Fig. 13 Vds;Sense@115Vac/60Hz,Full LoadCH1 Vds Waveform ,CH2 Sense Waveform


4.1.2. Waveform :Vds;Ids @115Vac/60Hz, Full Load

CH1 Vds Waveform ,CH2 Sense Waveform


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4.1.3.Waveform :Vds;Vsense @230Vac/50Hz, Full Load Measuring Data:Vds=328Vp-p; Sense=1.4Vp-p; Frequency:57.47KHz

Fig. 14 Vds;Sense@230Vac/60Hz,Full LoadCH1 Vds Waveform ,CH2 Sense Waveform

4.1.4 Waveform :Vds;Vsense@264Vac/50Hz Measuring Data:Vds=416Vp-p;Sense=2.12V-pp; Frequency:57.84KHz

Fig.15 Vds;Sense 264Vac/50Hz, Full Load

CH1 Vds Waveform ,CH2 Sense Waveform



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4.2. Vds(max) and Vak(max) Operating@Start / Normal / Output Short cocndition Table 11 Measuring Data at Full Load, Operating Start/ Normal / Output Short Test.

Vds(max) Vak(max) Spec. Remark396 384 Fig 16384 384 Fig 17380 384 Fig 18

Fig.16 264Vac / 50Hz,Start up at Full load. Vds & Vak CH1 Waveform Vds,CH2 Waveform Vak

Fig.17 264Vac / 50Hz,Normal Operation at Full Load. Vds,Vak. CH1 Waveform Vds,CH2 Waveform Vak


4.2.1. Start up at Full Load Waveform :Vds & Vak

4.2.2.Normal Operation at Full Load Waveform :Vds & Vak.

Short at full load 264V/50HZ

1.Vds<600V

2.Vak<600V

Test Item Input voltageStart up at full load 264V/50HZ Normal at full load 264V/50HZ


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CH1 Waveform Vds,CH2 Waveform Vak


4.2.3 Output Short to Ground Waveform :Vds; Vak.

Fig.18 264Vac / 50Hz, Output Short to Ground Waveform Vds;Vak


10w led driver using uld3380 - unisonic€¦ · average efficiency > 86 % ... capacitor aluminum...

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