NJM431(2012) 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJM431
(Rev.:2012)

ADJUSTABLE PRECISION SHUNT REGULATOR

Japan Radio Corporation  

■ TEST CIRCUITS

NJM431

1. VKA = VREF

VO = VKA = VREF

(Fig. 1)

■ TYPICAL APPLICATION

(1) Shunt Regulator

2. VKA > VREF

VO

=

VKA

=

VREF·

⎜⎛1

⎝

+

R1

R2

⎟⎞

⎠

+

IREF·R1

(Fig. 2)

(2) Series Regulator

3. IOFF

(Fig. 3)

(3) Output Control of a Three-Terminal

fixed Regulator

(4) Constant Current Source

■ POWER DISSIPATION VS. AMBIENT TEMPERATURE

800

NJM431D

7mW/°C

600

400 NJM431U

NJM431M

200

3.5mW/°C

3mW/°C

0

0

25

50

75

100

Ambient Temperature Ta (°C)

Ver.2012-06-15

-3-

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