Datasheet > NJW4158

NJW4158

更新时间： 2022-03-18 19:51:25

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
8页	132K
描述
Switching Regulator IC for Buck Converter

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NJW4158 数据手册

NJW4158

Switching Regulator IC for Buck Converter

Current Mode Control w/ 40V/8A MOSFET

ꢀGENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW4158 is a current mode controlled buck converter with

40V/8A MOSFET that operates wide input range from 6V to 35V.

The NJW4158 can realize a buck converter with minimal external

components that it includes compensation circuit.

The NJW4158 is able to stable startup by soft start function.

Also, it has over current protection and thermal shutdown circuit.

It is suitable for supplying power to an Office Automation

Equipment, Industrial Instrument, Amusement, Wireless Base

Station Applications and so on.

1 2 3 4

NJW4158F

NJW4158FL

ꢀFEATURES

ꢁCurrent Mode Control

PIN CONFIGURATION

1. V⁺

ꢁWide Input Range:

6V to 40V

10.5A min.

2. SW

3. GND

4. IN-

ꢁSwitching Current

ꢁPWM Control

ꢁBuilt-in Compensation Circuit

ꢁOscillating Frequency:

ꢁSoft Start Function

150kHz typ.

10ms typ.

ꢁUVLO (Under Voltage Lockout)

ꢁOver Current Protection

ꢁThermal Shutdown Function

ꢁPackage Outline

TO-220F-4pin

ꢀBLOCK DIAGRAM

V⁺

SLOPE

COMP.

CURRENT

SENSE

TSD

OCP

UVLO

Source

Low Frequency

Control

OSC

Buffer

Drain

IN-

PWM

ER AMP

⋅

Soft Start

Vref

0.8V

GND

Ver.2012-08-06

- 1 -

12 3 4 5 6 7 8

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