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- Obsolete

Product(s)

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- Obsolete

Product(s)

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AN1599 - APPLICATION NOTE

Figure 1: PCB components side and soldering side (not in scale)

5. SECONDARY REGULATION CONVERTER

The first part of this application note describes the results of laboratory tests of the converter with

secondary regulation. The typical waveforms regarding the circuit under test have been included too.

Figure 2: Electrical schematic

D5

BAV21

1

2

4

3

U3

SFH617-A4

1

2

J1

F1

FUSE 1A

C1

100nF

Vin= 90-264Vac

C5

1n-Y1

3

U4

TL431AC

R9

330R 1%

R10

1K 1%

R7

68R

C12

100nF

C14

47nF

D3

BZX79C10

D7

ZPD33

R3

47K

R8

10K

C11

100nF

C2

10uF 400V OD S.E.

C6

2.2uF 63V

C9

1000uF-16V YXF

C13

100uF 16V YXF

C7

2.2uF 63V

R4

1uH 1.7A

1

2

6

9

5

4

T1

24320011

3

2

1

4

L1

22mH 0.4A

1

2

JP2

0R

1

2

JP3

0R

D9

1N5819

D4

1N4148

1

2

D6

DF06

FB

3

U2

VIPER12ADIP

R1

0R

/L3

4

3

2

1

J2

JP4

R2

0R

D8

PKC136