GR1281

GR1281

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商品描述

Current PWM Controller with Integrated Protections

 


Features

Current Mode Control

Standby Power below 75mW

Under-Voltage Lockout (UVLO)

Non-Audible-Noise Green-Mode Control

65KHz Switching Frequency

8ms Soft-start

Over Current Protection (OCP)

Short circuit protection (SCP)

Adjustment OVP on ZCD Pin 

Over Voltage Protection on VCC Pin

Output diode Short circuit protection

On Chip OTP Protection

External OTP



Description

GR1281 series is a highly-integrated, low startup current, current mode PWM controller with green-mode function. It could turn standby mode to green mode for high switching efficiency. It provides functions of low startup current, Over Current Protection Over Voltage Protection, Short circuit protection Output diode Short circuit protection and internal OTP to prevent the circuit being damaged.


Application

Switching AC/DC power adapter

SMPS Power Supply


Typical Application Information



Package


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