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.
2
10W LED Driver Using ULD3380
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
16
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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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10W LED Driver Using ULD3380
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
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>86%
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10W LED Driver Using ULD3380
2. LED Demo Board Information2.1. Schematic
2.2. BOMNo.
1
2
3
4
5
6
7
8
9
UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw
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
10W LED Driver Using ULD3380
No.10
11
12
13
14
15
16
17
18
19
20
21
2223
24
25
2.3. Module Snapshot
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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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10W LED Driver Using ULD3380
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:
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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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10W LED Driver Using ULD3380
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
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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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10W LED Driver Using ULD3380
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
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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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10W LED Driver Using ULD3380
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
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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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10W LED Driver Using ULD3380
Fig.8 90Vac / 60Hz,Hold- Up Time Fig.9 264Vac / 50Hz, Hold- Up Time
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CH2 Current Waveform ,CH1 AC Voltage Waveform CH2 Current Waveform ,CH1 AC Voltage Wavef
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10W LED Driver Using ULD3380
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
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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
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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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10W LED Driver Using ULD3380
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
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4.1.2. Waveform :Vds;Ids @115Vac/60Hz, Full Load
CH1 Vds Waveform ,CH2 Sense Waveform
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10W LED Driver Using ULD3380
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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15
10W LED Driver Using ULD3380
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
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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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10W LED Driver Using ULD3380
CH1 Waveform Vds,CH2 Waveform Vak
UNISONIC TECHNOLOGIES CO., LTDwww.unisonic.com.tw
4.2.3 Output Short to Ground Waveform :Vds; Vak.
Fig.18 264Vac / 50Hz, Output Short to Ground Waveform Vds;Vak