SC4431CSK-0.5TR データシートの表示（PDF） - Semtech Corporation

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SC4431CSK-0.5TR

Shunt Regulator With Open Collector Output

Semtech Corporation 

POWER MANAGEMENT

Typical Applications

+V Monitor

SC4431

Shunt Regulator With

Open Collector Output

+Vcc

Power Good

R4

C4

R5

C1

R1

1

U1

4

R2

R3

5

Q1

C3

C2 22nF

Vref

SC4431

2

Power good Circuit

+Vcc

PWM disable

+Vprimary

R3

U2

C1

R1

R2

5

C3

C2

22n

1

4

U1

SC4431

Vref

2

Isolated OVP Circuit

+Vin

+Vout

Q1

C1

R1

R2

1

U1

R3

5

4

C2

C3

22nF

R4

Vref

SC4431

2

 2003 Semtech Corp.

Linear Regulator Circuit

7

+Vout Secondary

R4

C4

R5

www.semtech.com

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