12W Adaptor Module Using UC3873 - Signal Elektronik Ltd. 4A_12W_Demo _board_Manual.pdf · UC3873 / 12W / 5V_ 2.4A Demo Board Manual. 2. 12W Adaptor Module Using UC3873. ... 820R,

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UNISONIC TECHNOLOGIES CO., LTD

12W Adaptor Module Using UC3873

Subject

Key features:

●AC Input Full Range 90Vac~264Vac

●DC Output 5Vdc /2.4A

●Average Efficiency > 75 % Meet DoE level 5 Regulation 74.74%

●Standby power consumption <0.3W Meets DoE level 5 regulation

●OCP/OVP/OLP/SCP Protection

● Programmable OTP Highly secure

Revision History

Revise Date Version Reason/Issue

2013/12/10

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

UC3873 / 12W / 5V_ 2.4A Demo Board Manual

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

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Contents Index Page

1 Adaptor Module Specification 31.1. Input Characteristics 31.2. Output Characteristics 31.3. Performance Specifications 31.4. Protection Function 31.5. Environment 3

2 Adaptor Module Information 42.1. Schematic 42.2. BOM 4,52.3. Adaptor Module Snapshot 52.4. Transformer Design 62.4.1 Transformer Specification 62.4.2 Transformer Winding Data 6

3 Performance Evaluation 73.1. Input Characteristics 83.1.1 Full Load Efficiency 83.1.2 CEC Efficiency 8,93.1.3 Standby Power 103.1.3.1Hiccup Mode 103.1.3.2Normal Mode 103.2. Output Characteristics 113.2.1. Line Regulation & Load Regulation 113.2.2. Ripple & Noise 113.2.3. Overshoot & Undershoot 123.2.4. Dynamic Test 133.2.5. Time Sequence 13,14,153.3. Protection 153.3.1. Short Circuit Protection 153.3.2. Over Voltage Protection 153.3.3. Over Load Protection 163.3.4. Over Temperature Protection 163.3.5 Thermal Testing 16

3.4 EMI Test 173.4.1 Conduction EMI Test 173.4.1.1 AC110V/60Hz 173.4.1.1.1 Line1 173.4.1.1.2 Line2 183.4.1.2AC230V/50Hz 193.4.1.2.1 Line1 193.4.1.2.2 Line2 20

4 Other Important Waveforms 214.1.1 Vds;Ids;Vcc;Vfb waveform at No Load @90Vac/60Hz 214.1.2 Vds;Ids;Vcc;Vfb waveform at Full Load@90Vac/60Hz 214.1.3 Vds;Ids;Vcc;Vfb waveform at No Load@264Vac/50Hz 224.1.4 Vds;Ids;Vcc;Vfb waveform at Full Load@264Vac/50Hz 224.2. Waveform at Full Load, Operate Start/Normal/Output Short to Ground Tes 23

4.2.1 Start up at Full Load Waveform from Top to Bottom :Vds; Ids;Transformer 23 Secondary Voltage.

4.2.2 Normal Full Load Waveform from Top to Bottom :Vds; Ids;Transformer 23 Secondary Voltage.

4.2.3 Output Short to Ground Waveform from Top to Bottom :Vds; Ids;Transform 24 Secondary Voltage.

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1. Adaptor Module Specification1.1. Input Characteristics● AC input voltage rating 100Vac ~ 240Vac● AC input voltage range 90Vac ~ 264Vac● AC input frequency range 47Hz ~ 63Hz● Input current 310mA (rms)max. @ 90Vac/60Hz

1.2. Output Characteristics● Output Voltage 5V● Output Tolerance < ±5%● Min. load current Approx.0 mA● Max. load current 2.4A

1.3. Performance Specifications● Maximum Output Power 12W● Standby Power < 0.3W@ 115Vac ~ 230Vac

( Meet DoE Level 5 Regulation. )● Average Efficiency >75% @ 115Vac ~ 230Vac

( Meet DoE Level 5 Regulation 74.74%)● Line Regulation >0.1%● Load Regulation(Cable End) <±5%● Ripple & Noise < 40mV● Hold up Time Minimum 10msec. @100Vac● Turn on Delay time Maximum 2 sec, @90Vac

1.4. Protection Function● Short Circuit Protection Shut down and auto recovery● Over Voltage Protection Shut down and auto recovery● Over Load Protection Shut down and auto recovery● Over Temperature Protection Shut down and auto recovery

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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2. Adaptor Module Information2.1. Schematic

2.2. BOMNo. Quantity1 42 13 14 15 16 17 18 19 3

10 111 112 213 214 115 116 1

Capacitor, aluminum electrolytic, 10uF/50V, 105℃,±20%Capacitor, ceramic, 103pF/1000V, X7R, ±10%, SMD1206

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Diode, fast recovery, 1N4007, 1A/1000V

Capacitor, ceramic, 222pF/50V, X7R, ±10%, SMD0805C13Capacitor, Y1, 102pF/400V, 105℃,±20%

Diode, fast recovery, FR107, 1A/1000VDiode, fast recovery, US1D, 1A/200V, SMDDiode, dual Schottky, SB2040, 2*10A/100V, TO-220FD7

Capacitor, aluminum electrolytic, 470uF/16V, 105℃,±20%Capacitor, aluminum electrolytic, 220uF/16V, 105℃,±20%

Position

C3

C1C2

Description

Capacitor, aluminum electrolytic, 4.7uF/400V, 105℃,±20%Capacitor, aluminum electrolytic, 22uF/400V, 105℃,±20%

D1,D2,D3,D4

D5D6

C4C5,C12,C15C7

UNISONIC TECHNOLOGIES CO., LTD

Capacitor, ceramic, 104pF/50V, X7R, ±10%, SMD0805Capacitor, ceramic, 470pF/50V, X7R, ±10%, SMD1206Capacitor, ceramic, 103pF/50V, X7R, ±10%, SMD0805Capacitor, ceramic, 102pF/50V, X7R, ±10%, SMD1206

C14C8C9C10,C11

CY1

5


17 118 119 220 121 222 323 124 225 126 127 128 129 Resistor, chip,22R, 1/8W,±5%, SMD080530 131 132 133 234 135 Resistor, chip,22R, 1/8W,±5%, SMD080536 137 138 139 140 141 142 343 1

: The Yellow color block means the parts that UTC can provide.

2.3. Adaptor Module Snapshot


MOSFET,MOS power N-channel, 4N/60,4A/600V, TO-220FTransformer, 1.2mH ,1KHz, EE-22

Resistor, chip, 1K, 1/8W,±5%, SMD0805

R5

R14

Resistor, chip,680R, 1/8W,±5%, SMD0805Resistor, chip,22K, 1/8W,±1%, SMD0805

R6

R8R7,R13

R4

Resistor, chip, 0R, 1/8W,±5%, SMD0805Resistor, chip,51K, 1/8W,±5%, SMD0805

Resistor, chip,10R, 1/8W,±5%, SMD0805Resistor, chip,43R, 1/8W,±5%, SMD0805

Inductor, choke, 5uHResistor, chip, 1M5, 1/4W,±5%, SMD1206

L1

R11

L2R1,R2R3

R17

R9,R10

Fuse,2A/250V

R12

R15R16

R14

Resistor, chip, 2R, 1/4W,±5%, SMD1206


F1

R20

Q1T1IC2

J1,J2,J3

R18,R19

IC1IC3

PCB 35mmx50mmx1.6mm

Inductor, choke,1mH

IC, TL431 SOT-23IC, Opto-Coupler, PC-817B, DIP-8Jumper


Resistor, chip,330K, 1/8W,±5%, SMD0805

Resistor, chip, 820R, 1/8W,±5%, SMD0805

IC, PWM controller, UTC UC3873, SOT26

Resistor, chip,220R, 1/8W,±5%, SMD1206

Resistor, chip,2K2, 1/8W,±5%, SMD0805

50mm

35mm 25mm

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2.4. Transformer Design2.4.1. Transformer Specification

1) Bobbin: EE22 -10 Pin2) Core material : PC40 (TDK) or equivalent.3) Lm 8-9: 1.2mH,±10% (1KHz )

2.4.2. Transformer DiagramN5 EMI /Shielding Layer

10 3Ts Tape） ○ N1(NC-10)=0.4Φ X34Ts ○ 1T Tape

） ( 1● ● N1(9-NC)=0.4Φ X16Ts ○ 1T Tape

9● ） ( ● N6(6)= 0.2Φ X30Ts ○ 1T Tape） ( N4 ● N3(7-6)=0.2Φ X14Ts ○ 1T Tape） ( 5Ts ● N4(1-4)=0.5Φ X2 X 5Ts ○ 1T Tape

8● ） ( ○ N2(NC-9)=0.4Φ X16Ts ○ 1T Tape

( ● N2(8-NC)=0.4Φ X16Ts ○ 1T Tape

14Ts 7● ( ●N5(10)=0.2Φ X30Ts

○

） ( 4） Bottom

N6 EMI /Shielding LayerTransformer Winding DataLayer No. Start Finish

1 10 EMI /Shielding23 8 NC45 NC 96

89 7 61011 6 EMI /Shielding1213 9 NC1415 NC 1016


Winding Material

N232Ts

N314Ts 6

TapeN2

N132Ts

0.2Φ 2 UEWTape

0.4Φ 2 UEWTapeN2

N1

Triple InsulatedWire 0.5Φ X 2

Tape 0.4Φ 2 UEW

Tape

Tape Tape

N5

TapeN1

Tape

N4

TapeN6

Tape

N3Tape

161

0.4Φ 2 UEWTape

Turns30116116

163

130

1

0.4Φ 2 UEWTape

0.2Φ 2 UEWTape

0.2Φ 2 UEW1

7 1 5 4

Tape

114

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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 18AWG ;8 feet long wire cable end.

The Summarized Result :

Test Equipment:


ChromaChroma

616026620263102

DPO30142000

PT-3S

TektronicsKeithleyOpex

1.AC Source2.Digital Power meter3.Electronic Load4.Digital Oscilloscope5.Multi-meter6.Thermal meter

Chroma

Over Voltage Protection Over Load Protection Over Temperature Protection

1. Input Characteristics

Item Vendor Model No:

Load Regulation(Cable End) Ripple & Nnoise Overshoot Ripple of DynamicTest3. Protection Short Circuit Protection

Shut Down and Auto Recovery

< 40mV< 5%

Shut Down and Auto Recovery

Item

Input Current (90V/60Hz, full load) Standby Power at No Load (230Vac/50Hz) Averaged Efficiency (@115/230Vac, 25%~100% Load by Cable En

Output Tolerance Line Regulation

±5%>0.1% ±2.6%

Test result

310mA168mw

380mVp-p

2. Output characteristics80.04% / 76.92%

Shut Down and Auto RecoveryShut Down and Auto Recovery


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3.1. Input Characteristics3.1.1 Full Load Efficiency :Table 1 Full Load Efficiency :

Input

90Vac/60Hz115Vac/60H230Vac/50H264Vac/50H

3.1.2 CEC Efficiency: Meet Level 5 Regulation 74.74%.Remark: BVO : PCB side measured 5V output. B.Eff :PCB side measured Efficiency. W.VO:Wire Cable side measured 5V Output. W.Eff: Wire cable side measured Efficiency.

Pi(W) B.Vo(V) W.Vo(V) B.Eff(%) W.Eff(%) Pi(W) B.Vo(V) W.VO(V) B.Eff(%) W.Eff(%)

Table 3 CEC Efficiency :

Pi(W) B.Vo(V) W.Vo(V) BEff(%) W.Eff(%) Pi(W) B.Vo(V) W.Vo(V) B.Eff(%) W.Eff(%)


75%(1.8A) 100%(2.4A)

80.04

11.12 5.13 4.94

11.36 5.13 4.94 81.29

83.04

77.32

14.89 4.87

5.13

Input Voltage25%(0.60A) 50%(1.2A)

80.75

4.14 5.13 5.07 74.35 73.48 5.00

Pin(W)

82.85

79.33

80.97

5.07 81.21 5.13 5.00

7.76

5.07 72.08

83.415

7.43

78.5

83.08

77.92 75.957.9 5.13

83.11

2.4

71.24

Table 2 CEC Efficiency :

11.11 5.13

5.13 5.00

5.00

82.686

81.12

5.13

3.79 5.13 80.26

5.13

4.94

79.96 14.76

82.08

79.19

5.13 77.764.87

82.798 78.6

4.87

81.916

4.8714.87

4.94

78.27

80.44

5.07 7.41

15.0377.46

5.13

5.13264Vac/50Hz 11.48

264Vac/50Hz

3.75

4.27

90Vac/60Hz

5.13

5.13

0.170.16

0.26 14.76

Io(A)

2.44.874.87 79.194.87

2.42.4

78.50

78.60

14.89

Irms(mA)

0.31

Eff(%)Vo(V)

115Vac/60Hz

230Vac/50Hz

77.764.87

Input Voltage

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

14.8715.03


9


Table 4 CEC Average Efficiency :

Fig1 Wire End Efficiency VS Load

Fig 2 Board End Efficiency VS Load


82.74

82.63

90Vac/60Hz

75.6078.09

B.Aver. Eff.(%)

80.04

76.9279.44

AverageW.Aver.Eff.(%)

80.19

115Vac/60Hz

Input Voltage

230Vac/50Hz

264Vac/50Hz

70.00 72.00 74.00 76.00 78.00 80.00 82.00 84.00

Boar

d Ef

ficie

ncy

( % )

Board End Efficiency VS Load

90Vac/60Hz

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz

70.00 72.00 74.00 76.00 78.00 80.00 82.00

Wire

end

Effi

cien

cy (

% )

Wire End Efficiency VS Load

115Vac/60Hz

230Vac/50Hz

264Vac/50Hz

90Vac/60Hz


10

12W Adaptor Module Using UC38733.1.3 Standby power :There are two kinds of modes can be chosen; Hiccup mode and Normal

Hiccup Operation_ IC On Vcc Voltage is 13.5V. IC _OFF Vcc Voltage is 8.9

Fig. 3 Hiccup Operation

Table 5 Hiccup M ode S tandy P ower T est D ata List:

90Vac/60Hz115Vac/60Hz230Vac/50H264Vac/50H

3.1.3.2 Normal Mode Standyby Power

Table 6 Normal Mode Standyby PowerTest Data



Meet Level 6 < 0.1W

Meet Level 6 < 0.1W Meet Level 5 < 0.3W Meet Level 5 < 0.3W

InputVoltage

5.13

25Pin(mW) Vo(V)

Stand by powerRemark

192

4.63~5.07

4.72~5.084.94~5.06

InputVoltage

168

38108

103

143

Vo(V)

5.13

Pin(mW)142 5.13

CH2 5V Output waveform

4.90~5.11

5.13

3.1.3.1 Hiccup mode: The R1 resistor change 10 ohm to 390 ohm,then the module will go to Hiccup

Stand by power

Remark

Meet Level 5 <0.3W


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3.2 Output Characteristics3.2.1 Line Regulation & Load RegulationTable 7 Line Regulation & Load Regulation

90Vac/60Hz115Vac/60H230Vac/50H264Vac/50HLineRegulation%

3.2.2 Ripple & NoiseTable 8 Ripple & Noise



RemarkFull Load

9.216.427

—

— 18.8

Fig.6 264Vac/50Hz@ No Load

5.20

Load

4.87

5.00

LoadRegulation%Half Load

5.13

No Load (V)

5.13 4.875.00

InputVoltage No. Load

>0.1%

InputVoltage

5.205.205.205.13

5.00 4.875.00

—

Fig 6

22.6

28.4 22.8

Fig.7 264Vac/50Hz@Full Load

Fig 7

Fig.4 90Vac/60Hz@ No Load Fig.5 90Vac/60Hz@Full Load

—

31.4

RemarkFull Load

Ripple & Noise(mV)

4.87

Fig 4 Fig 5

5.13±2.6%


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Table 9 Ripple & Noise

Fig.8 90Vac / 60Hz, Overshoot @ No Load

Fig.10 264Vac / 60Hz, Overshoot @ Full Load

Fig.12 264Vac/60Hz, Undershoot @ Full Load


Undershoot

Full LoadOvershoot

Input Voltage RemarkData (%)Over shoot / Undershoot

3.2.3 Overshoot

No Load

4.10

No Load

Fig.9Undershoot

UndershootOvershoot

OverShoot

Fig.11 90Vac/60Hz,Under shoot @ Full Load

264Vac/50Hz 0

—

90Vac/60Hz

Full Load

Fig. 11Fig. 8

—

Fig.10Fig.12

4.68

4.68

Fig.9 90Vac / 60Hz, Overshoot @ Full Load


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3.2.4 Dynamic Test

Table 10 Dynamic Test

3.2.5 Time SequenceTable 11 Time Sequence


264Vac/50Hz

The test current set Hi Level current is 2.4A ; and the Low Level set to 1.2A.

90Vac/60Hz

360RemarkInput Voltage

90Vac/60Hz344

Fig. 13 90Vac / 60Hz Dynamic Test

264Vac/50Hz

Output (mV)Fig.13

Hold-UpTime240Vac/50Hz

Fig. 17

CH4 Current Probe Waveform CH4 Current Probe Waveform

Turn on Delay Time

Meas. DataInput VoltageItem

2.56ms (Full Load)2.40ms (Full Load)

114ms (Full Load)

Fig.14

240Vac/50Hz 3.52ms (Full Load)Falling Time

100Vac/60Hz

12.80ms (Full Load)240Vac/50Hz

Fig.21Fig. 22

Fig. 16

Fig. 14 264Vac / 50Hz Dynamic Test

0.60s (Full Load)1.64s (Full Load)

The Hi;Low level switching time is set to 50ms each.

RemarkFig. 15

Fig. 18Fig. 19Fig. 20

Rise Time

100Vac/60Hz

100Vac/60Hz240Vac/50Hz

2.56ms (Full Load)

100Vac/60Hz


14


Fig. 16 264Vac/50Hz, Full load Turn-on Delay TCH1=AC Input, CH2=Vout

CH1=AC Input, CH2=Vout

Fig. 19 100Vac/60Hz,Full Load Rising Time Fig.20 240Vac/50Hz,Full load Rising Tim


Fig. 15 90Vac/60Hz, Full Load Turn-on Delay Time

Fig.18 240Vac / 50Hz,Full Load Hold-Up TimeFig. 17 100Vac / 60Hz, Full Load Hold-UpTimeCH1=AC Input, CH2=Vout

CH1=AC Input, CH2=Vout


15


Fig. 21 100Vac/60Hz Full load FallingTime

3.3 Protection

Table 12 Short Circuit Protection

3.3.2. Over Voltage Protection (OVP) When Over Voltage Protectioncondition is removed and the power automatically recoverTable 13 OVP

Fig 23. 90Vac/60Hz OVP (Full Load) CH1:Vcc,CH2: Ouput 5V


264Vac/50Hz

Input Voltage

Short Circuit Protection

PASS

Vcc 25.6V(Full Load)

Fig 24 264Vac/50Hz OVP (Full load)

264Vac/50Hz90Vac/60Hz

PASS

RemarkFig. 23

Input Voltage90Vac/60Hz

CH1:Vcc,CH2: Ouput 5V

Fig. 22 240Vac/50Hz Full load Falling Time

Fig. 24

Over VoltageP t ti

3.3.1 Short Circuit Protection When short the output voltage ,and no parts are damaged.Once Short Circuit condition is removed and the power should recover automatically .

Vcc 25.6V(Full Load)


16


When over load condition is removed and the power automatically recover.

Table 14 OLP

3.3.4 Programmable Over Temperature Protection

Until the voltage goes above the 1 Volt, and the module will recover automatically.

Tested at Room temperature 35℃ in Plastic ABS Case.

Table 16 Thermal TestingInput

Voltage90Vac/60Hz115Vac/60H230Vac/50H264Vac/50H


230Vac/50Hz

172Vac/50Hz

3.61

264Vac/50Hz

150156

3.3.3 Over load Protection

Over %

154

3.3.3.1 Over load Protection

3.74

OLP(A)90Vac/60Hz

155153

3.72

Input Voltage

115Vac/60Hz

3.693.71

Remark

5V OutputCurrent 2.4 A

101℃98℃

66℃ 76℃ 87℃86℃

264Vac/50Hz 1.05

64℃ 75℃ 85℃97℃97℃

69℃ 81℃ 88℃68℃ 79℃

3.3.4 Thermal Testing

UC3873 MOSFET Transformer Schottky

(Case Dimension 61mmX35mmX120mm).

The pin3 voltage is under 1 Volt threshold,then the module will shut down Latch.

Input Voltage OTP Threshold (V)115Vac/60Hz 1

RemarkTable 15 OTP


17


3.4 EMI Test 3.4.1 Conduction EMI Test 3.4.1.1 AC115V/60Hz3.4.1.1.1 Line1

Fig 25Limit : CISPR_B_00M_QP

Power : AC 115V/60Hz

Probe : ENV216_L1 - Line1

Table 17 Quasi Peak

ItemFreque

nc y(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector

Type1 0.190 9.698 43.130 52.828 -12.029 64.857 QUASI

PEAK2 0.460 9.711 40.010 49.721 -7.422 57.143 QUASI

PEAK3 1.388 9.763 40.230 49.993 -6.007 56.000 QUASI

PEAK4 2.654 9.810 36.020 45.830 -10.170 56.000 QUASI

PEAK5 23.712 9.981 40.740 50.721 -9.279 60.000 QUASI

PEAK

Table 18 Average

ItemFrequen

cy(MHz)

CorrectFactor(dB)

ReadingLevel

(dBuV)

MeasureLevel

(dBuV)

Margin(dB)

Limit(dBuV)

DetectorType

1 0.190 9.698 25.240 34.938 -19.919 54.857 AVERAGE

2 0.460 9.711 26.810 36.521 -10.622 47.143 AVERAGE

3 1.388 9.763 24.340 34.103 -11.897 46.000 AVERAGE

4 2.654 9.810 25.980 35.790 -10.210 46.000 AVERAGE

5 23.712 9.981 29.900 39.881 -10.119 50.000 AVERAGE



18


3.4.1.1.2 Line2



Probe : ENV216 - Line2

Table 19 Quasi PeakItem Freque

ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector Type

1 0.865 9.719 38.080 47.799 -8.201 56.000 QUASIPEAK

2 1.325 9.740 39.460 49.200 -6.800 56.000 QUASIPEAK

3 1.791 9.771 38.120 47.891 -8.109 56.000 QUASIPEAK

4 3.111 9.800 39.370 49.170 -6.830 56.000 QUASIPEAK

5 5.824 9.830 36.050 45.880 -14.120 60.000 QUASIPEAK

6 23.315 10.104 39.810 49.914 -10.086 60.000 QUASIPEAK

Table 20 AverageItem Freque

ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector Type

1 0.865 9.719 27.530 37.249 -8.751 46.000 AVERAGE

2 1.325 9.740 25.570 35.310 -10.690 46.000 AVERAGE

3 1.791 9.771 27.050 36.821 -9.179 46.000 AVERAGE

4 3.111 9.800 26.980 36.780 -9.220 46.000 AVERAGE

5 5.824 9.830 26.090 35.920 -14.080 50.000 AVERAGE

6 23.315 10.104 29.120 39.224 -10.776 50.000 AVERAGE



19


3.4.1.2 AC230V/50Hz3.4.1.2.1 Line1



Probe : ENV216_L1 - Line1


ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector Type

1 0.248 9.701 40.870 50.571 -12.629 63.200 QUASIPEAK

2 0.554 9.715 43.830 53.545 -2.455 56.000 QUASIPEAK

3 0.662 9.720 45.400 55.120 -0.880 56.000 QUASIPEAK

4 1.130 9.741 44.540 54.281 -1.719 56.000 QUASIPEAK

5 2.119 9.806 40.640 50.446 -5.554 56.000 QUASIPEAK


ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector Type

1 0.248 9.701 28.620 38.321 -14.879 53.200 AVERAGE

2 0.554 9.715 29.590 39.305 -6.695 46.000 AVERAGE

3 0.662 9.720 31.690 41.410 -4.590 46.000 AVERAGE

4 1.130 9.741 31.390 41.131 -4.869 46.000 AVERAGE

5 2.119 9.806 27.040 36.846 -9.154 46.000 AVERAGE



20


3.4.1.2.1 Line 2



Probe : ENV216_Line2


ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

DetectorType

1 0.196 9.678 39.830 49.508 -15.178 64.686 QUASIPEAK

2 0.658 9.699 38.770 48.469 -7.531 56.000 QUASIPEAK

3 1.123 9.731 48.100 57.831 1.831 56.000 QUASIPEAK


ncy(MHz)

CorrectFactor(dB)

Reading Level(dBuV)

Measure Level(dBuV)

Margin(dB)

Limit(dBuV)

Detector Type

1 0.196 9.678 23.120 32.798 -21.888 54.686 AVERAGE

2 0.658 9.699 23.380 33.079 -12.921 46.000 AVERAGE

3 1.123 9.731 29.480 39.211 -6.789 46.000 AVERAGE



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4. Other Important Waveforms4.1.1. Waveform from Top to Bottom :Vds;Ids;Vcc;Vfb@90Vac/60Hz, No Load Measuring Data:Vds=212Vp-p; Ids=350mAp-p;Vcc=14.4V;Vfb=1.28V; Frequency:25.77KHz

(Time Base 40uS)

4.1.2. Waveform from Top to Bottom :Vds;Ids;Vcc;Vfb @90Vac/60Hz,Full Load Measuring Data:Vds=288Vp-p; Ids=680mAp-p;Vcc=19.6V;Vfb=4.3V; Frequency:62.11KHz

Fig. 31 Vds;Ids;Vcc;Vfb @90Vac/50Hz,Full Load


Fig.29 V90Vac/60Hz, No Load Fig.30 90Vac/60Hz, No Load No entering busrt mode (Time base 10ms)


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4.1.3. Waveform from Top to Bottom :Vds;Ids;Vcc;Vfb@264Vac/50Hz,No Load Measuring Data:Vds=470p-p; Ids=170mAp-p;Vcc=12.80V;Vfb=1.40V; Frequency:21.93KHz

4.1.4 Waveform fromTop to Bottom :Vds;Ids;Vcc;Vfb@ 264Vac/50Hz, Full Load Measuring Data:Vds=540Vp-p; Ids=640mAp-p;Vcc=21.20V;Vfb=3.70V; Frequency:60.24KHz

Fig.34 Vds;Ids;Vcc;Vfb 264Vac/50Hz, Full Load


Fig.32 264Vac/50Hz, No load (Time Base 40uS) . Fig 33 264Vac/50Hz, No load (Time base 10m Entering Burst Mode: Burst group freq. 74Hz Entering Burst Mode: Burst Freq.:21.93KHz


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4.2. Waveform at Full Load, Operating Start / Normal / Output Short to Ground . Table 26 Measuring Data at Full Load, Operating Start/ Normal / Output Short Test.

Vds(p-p) Ids(mA) Vsecondary Remark520 650 34.4 Fig 29540 640 37.2 Fig 30520 780 38 Fig 31

Fig.35 264Vac / 50Hz,Start up at Full load. Vds;Ids;Transformer Secondary Voltage

Fig.36 264Vac / 50Hz,Normal Full Load. Vds;Ids;Transformer Secondary Voltage


Input voltage

4.2.1. Start up at Full Load Waveform from Top to Bottom :Vds;Ids;Transformer

4.2.2. Normal Full Load Waveform from Top to Bottom :Vds; Ids;Transformer Secondary Voltage.

Short at full load 264V/50HZ

Test ItemStart at full load 264V/50HZ Normal at full load 264V/50HZ


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4.2.3 Output Short to Ground Waveform from Top to Bottom :Vds;Ids;Transformer

Fig.37 264Vac / 50Hz, Output Short to Ground at Full Load. Vds;Ids;Transformer Secondary Voltage


12W Adaptor Module Using UC3873 - Signal Elektronik Ltd. 4A_12W_Demo _board_Manual.pdf · UC3873 / 12W / 5V_ 2.4A Demo Board Manual. 2. 12W Adaptor Module Using UC3873. ... 820R,

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