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NJM2146

VOLTAGE AND CURRENT CONTROL IC

Japan Radio Corporation  

NJM2146B

VOLTAGE AND CURRENT CONTROL IC

■ GENERAL DESCRIPTION

The NJM2146B is a voltage and current control IC which

contains single-supply low offset voltage OP-AMP (2mV

max.), low operating OP-AMP, and precision voltage

reference. It is suitable for battery charger, second controller

of switching regulator systems, and other battery systems.

■ PACKAGE OUTLINE

NJM2146BD

NJM2146BM

■ FEATURES

● Operating Voltage

(2.5V to 18V)

● Internal Precision Voltage Reference (1.5V±1%)

● PC Terminal Current

(60mA max.)

● Operating Current

(3mA max.)

● Bipolar Technology

● Package Outline

DIP8, DMP8, VSP8

NJM2146BR

■ PIN CONFIGURATION

PIN FUNCTION

1. PC

2. A-INPUT

3. A+INPUT

4. GND

5. B+INPUT

6. B-INPUT

7. VREF

8. V+

■ ABSOLUTE MAXIMUM RATINGS

(Ta=25°C)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

V+

20

V

Differential Input Voltage

VID

(Ach)

20

(Bch)

±4

V

Power Dissipation

(DIP8) 500

PD

(DMP8) 300

mW

(VSP8) 320

PC Terminal Current

IPC

60

mA

Operating Temperature Range

Topr

-40 to 85

°C

Storage Temperature Range

Tstg

-50 to 150

°C

(note) When the supply voltage is less than 20V, the absolute maximum input voltage is equal to the supply voltage.

■ RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

Operating Voltage

Vopr

RATINGS

2.5 to 18

(Ta=25°C)

UNIT

V

Ver.2003-07-18

-1-

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