Datasheet > NCP1252

NCP1252

更新时间： 2024-04-09 18:59:14

品牌	Logo	应用领域
华冠 - HGSEMI		控制器
页数	文件大小	规格书
13页	880K
描述
一款电流模式PWM控制器,它使用内部固定的定时器,可以不依赖于辅助电压来检测输出过载。50%占空比

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NCP1252 数据手册

NCP1252

Current Mode PWM Controller for Forward

and Flyback Application

Features

 Peak Current Mode Control

 Adj Switching Frequency up to 500 kHz

 Jittering Frequency

 Latched Primary OCP with 10 ms Delay

 Over load Protection(OLP) with 55ms Delay

 Delayed Operation Upon Start−up via an Internal Fixed Timer

 Adj Soft−start Timer

DIP-8

 VDD Range from 10V to 26V with Auto−recovery UVLO

 Auto−recovery Brown−Out Detection

 Internal 160 ns Leading Edge Blanking

 Adjustable Internal Ramp Compensation

 +500 mA / –800 mA Source / Sink Capability

 Ready for Updated No Load Regulation Specifications

 Maximum 50% Duty Cycle

SOP-8

 SOP−8 and DIP−8 Packages

Ordering Information

DEVICE

Package Type

DIP-8

MARKING

NCP1252

Packing

TUBE

Packing Qty

NCP1252N

2000pcs/Box

2500pcs/Reel

NCP1252M/TR

SOP-8

REEL

http://www.hgsemi.com.cn

2013 MAR

1 / 13

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