STR6252 데이터 시트보기 (PDF) - Sanken Electric co.,ltd.

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STR6252

PWM Off-Line Switching Regulator ICs

Sanken Electric co.,ltd. 

STR-W6251D,

STR-W6252D, and

STR-W6253D

PWM Off-Line Switching Regulator ICs

Typical Application Circuit

VAC

Clamp Snubber Circuit

T1 D3

L2

VOUT

C10

R9

P

R3

PC1

R6

C1

D4

S

R4

R7

C5

C6 R 5

C7

U1

STR-W6200D

D1 R2

C2

D

U2

R8

GND

1 34567

CV

ROCP

Damper Snubber

C4

PC1 C3

External Latch Circuit

(Optional)

C8

The following design feature should be observed: In applications having a power supply specified such that VDS

has large transient surge voltages, a clamp snubber circuit of a capacitor-resistor-diode (CRD) combination

should be added on the primary winding, P, or a damper snubber circuit of a capacitor (C) or a resistor-capacitor

(CR) combination should be added between the D/ST pins and the S/OCP pin.

STR-W6200D-DS

SANKEN ELECTRIC CO., LTD.

10

November 12, 2012

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