UPC1945 查看數據表（PDF） - NEC => Renesas Technology

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UPC1945

ADJUSTABLE PRECISION SHUNT REGULATORS

NEC => Renesas Technology 

STANDARD CONNECTION

Note

VIN

GND

R0

R1

VCC

REF

R2

VOUT

K

Note

CKA

VOUT

A

CKA = 100 pF minimum. Connect to prevent oscillation.

1 + R1

R2

× VREF

Caution Supply K (Cathode) and VCC from the same power supply.

Remark The µPC1945 is represented by the following symbol in this data sheet.

VCC K

REF

A

APPLICATION CIRCUIT EXAMPLE

VO+

photocoupler

VCC K

REF

CKA

A

VO−

Input to control IC

µ PC1945

Data Sheet G14875EJ2V0DS

3

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