NCP1212DR2(2004) Просмотр технического описания (PDF) - ON Semiconductor

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производитель

NCP1212DR2
(Rev.:2004)

Current Mode PWM Controller for Both Forward and Flyback Converters

ON Semiconductor 

F1

FUSE

RFI FILTER

AC Input

+

−

X2 Cap

BR1

4

X2 Cap

3

+ C1

470 mf/400 V

C2

10 nf/1 kv

R1

576 K

R2

3.3 K

R3

36 K

D1

MUR180

T3

D2

MBR3045

Q1

Rsense

0.22/2 W

IC1

NCP1212

FB

Form Standby SMPS

Auxiliary Winding

SS/DMAX

BOK

VCC

CS

DRV

CT

GND

C3

0.1 mf

C4

1 nf

R6

220

C5

0.1 mf

PC817

4

1

2

IC2

3

U1

TL431

R5 C6

100 0.1 mf

5V

+

C7

3300 mf/

10 V

GND

R8

300

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