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 Characteristics

3.5000

3.0000

2.5000

2.0000

1.5000

1.0000

0.5000

0.0000

-0.5000

1.2248

1.2703

Vcc=2V,Io=1.3mA

1.3048

Vref(v)

Vcc=5V,Io=1.3mA

1.7030

3.0182

Vcc=15V,Io=1.3mA

Typical Icc vs Vref, Io = 1.3mA, Ta = 25 Deg.C.

SC4431

Shunt Regulator With

Open Collector Output

3.5000

3.0000

2.5000

2.0000

1.5000

1.0000

0.5000

0.0000

-0.5000

1.2243

1.2700

Vcc=2V,Io=2mA

1.3009

Vref(v)

Vcc=5V,Io=2mA

1.7073

3.0073

Vcc=15V,Io=2mA

Typical Icc vs Vref, Io = 2mA, Ta = 25 Deg.C.

+Vref_Adjust

J3

C4

1

2

10uF

+VCC

J1

1

2

C1

10uF

R1

4k

C3

U1

R4

1

1k

Vref

4

R5

1k

Vref

+V adj

Io R2

3.9k

5 Vo

C5

22nF

SC4431

2

Icc vs Vref Test Circuit

J2

1

C2

2

10uF

 2003 Semtech Corp.

5

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