Datasheet > NJW4128

NJW4128

更新时间： 2024-09-27 12:26:03

品牌	Logo	应用领域
NJRC		转换器稳压器开关
页数	文件大小	规格书
21页	230K
描述
Switching Regulator IC for Buck Converter

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NJW4128 数据手册

NJW4128

Switching Regulator IC for Buck Converter

Current Mode Control w/ 40V/2.5A MOSFET

ꢀGENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW4128 is a buck converter with 40V/2.5A MOSFET. It

corresponds to high oscillating frequency, and Low ESR Output

Capacitor (MLCC) within wide input range from 4.5V to 40V.

Therefore, the NJW4128 can realize downsizing of applications

with a few external parts so that adopts current mode control.

Also, it has a soft start function, external clock synchronization,

over current protection and thermal shutdown circuit.

NJW4128GM1

It is suitable for supplying power to a Car Accessory, Office

Automation Equipment, Industrial Instrument and so on.

ꢀFEATURES

ꢁCurrent Mode Control

ꢁExternal Clock Synchronization

ꢁWide Operating Voltage Range

ꢁSwitching Current

4.5V to 40V

3.6A min.

ꢁPWM Control

ꢁBuilt-in Compensation Circuit

ꢁCorrespond to Ceramic Capacitor (MLCC)

ꢁOscillating Frequency

450kHz typ. (A ver.)

300kHz typ. (B ver.)

4ms typ.

ꢁSoft Start Function

ꢁUVLO (Under Voltage Lockout)

ꢁOver Current Protection (Hiccup type)

ꢁThermal Shutdown Protection

ꢁPower Good Function

ꢁStandby Function

ꢁPackage Outline

NJW4128GM1 : HSOP8

ꢀPRODUCT CLASSFICATION

Operating

Temperature

Range

Oscillation

Frequency

Part Number

Version

Power Good

Package

NJW4128GM1-A

NJW4128GM1-B

450kHz typ.

300kHz typ.

HSOP8

√

-40°C to +85°C

Ver.2012-12-04

- 1 -

12 3 4 5 6 7...21

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