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NJM2887

ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR

Japan Radio Corporation  

NJM2887

! TYPICAL APPLICATION

1 In the case where ON/OFF Control is not required:

VIN

VIN

VO

0.33µF

ＮＪＭ2887

R

(0～300kΩ)

CONTROL

VADJ

GND

VO

2.2µF

OR

R1

4.7µF(Vo≤2.6V)

R2

100kΩ

Connect control terminal to VIN terminal

The quiescent current can be reduced by using a resistance “R”. Instead, it increases the minimum operating voltage.

For further information, please refer to Figure “Output Voltage vs. Control Voltage”.

2 In use of ON/OFF CONTROL:

VIN

0.33µF

R

VIN

VO

ＮＪＭ2887

CONTROL

VADJ

GND

VO

2.2µF

R1

OR

4.7µF(Vo≤2.6V)

R2

100kΩ

State of control terminal:

•“H”→ output is enabled.

•“L” or “open” → output is disabled.

-4-

Ver.2004-01-16

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