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NJM2382

SWITCHING REGULATOR CONTROL IC FOR FLYBACK

WITH CURRENT SENSE AMPLIFIER

sGENERAL

DESCRIPTION

The

NJM2382

is a low voltage operation switching regulator

control IC.

It features totem pole output directly driving external bipolar

transistor and operates at high switching frequency which

improves transient response. In addition, low power standby

function is incorporated.

It is suitable for LCD back light, and other portable

applications.

sPACKAGE

OUTLINE

NJM2382D

NJM2382M

sFEATURES

q

PWM switching control

q

Operating Voltage

(3.6 to 32V)

q

Wide Oscillator Range

(5 to 350 kHz)

q

ON/OFF Circuit

(High Active)

q

Current Sensing Amplifier

q

Soft-Start Function

q

UVLO(Under Voltage Lockouts)

q

Bipolar Technology

q

Package Outline

DIP14, DMP14, SSOP10

NJM2382V

sPIN

CONFIGURATION

1

2

3

4

5

6

7

14

13

12

11

10

9

8

PIN FUNCTION

8.NC

1.NC

-

9. V

+

2.IN 1

3.IN

-

2

10.CS

11.CT

4.F.B

12.REF

5.GND

13.ON/OFF

6.OUT

14.NC

7.NC

NJM2382D

NJM2382M

1

2

3

4

5

10

9

8

7

6

NJM2382V

PIN FUNCTION

6. V

+

1.IN

-

1

2.IN

-

2

7.CS

8.CT

3.F.B

9.REF

4.GND

10.ON/OFF

5.OUT

Ver 1.0

- 1 -

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