NJM2382 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJM2382

SWITCHING REGULATOR CONTROL IC FOR FLYBACK WITH CURRENT SENSE AMPLIFIER

Japan Radio Corporation  

NJM2382

sELECTRICAL CHARACTERISTICS (V+=6V,RT=33kΩ,CT=1000pF,VON/OFF=3V,Ta=25°C)

ON/OFF BLOCK

PARAMETER

SYMBOL

TEST CONDITION

OFF Threshold Voltage

(ON/OFF Pin)

ON Threshold Voltage

(ON/OFF Pin)

Input Bias Current

(ON/OFF Pin)

VOFF

VON

ION/OFF

VON/OFF=3V

MIN.

–

1.1

–

TYP.

–

–

100

MAX. UNIT

0.3

V

–

V

120 µA

GENERAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

Standby Current

Latch Mode

Threshold Voltage (CS Pin)

Quiescent Current

Average Quiescent Current

ICCSTBY Standby Mode, VON/OFF=0V

VTHLA

ICCLA

ICCAV

Latch Mode

RL= , duty·cycle=50%

MIN.

–

1.2

–

–

TYP.

12

1.5

1.6

3.5

MAX.

20

1.8

UNIT

µA

V

2.2 mA

4.8 mA

s TYPICAL APPLICATIONS

ON/OFF

CONTROL

2.50V

330kΩ

36kΩ

4.7µF 180kΩ

1000pF

10

9

8

ON/OFF

“High” Active

CURRENT

SENSE AMP

VREF

U.V.LO

OSC

7

6

L.O

500Ω

0.52V

ER·AMP

PWM

V+

VOUT

GND

1

2

3

4

5

(Package:SSOP10)

-5-

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