Current Mode PWM Controller with Integrated Protections

Features

l Current Mode Control

l Low Standby Power

l Under-Voltage Lockout (UVLO)

l Non-Audible-Noise Green-Mode Control

l Over Load Operation with increased Frequency

l 4ms Soft-start

l Over Current Protection (OCP)

l Short Circuit Protection (SCP)

l Adjustment OTP and OVP on RTL Pin 

l Over Voltage Protection on VCC Pin

l Output Diode Short Circuit Protection

l On Chip OTP Protection

Description

GR1282 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/external OTP to prevent the circuit being damaged.

Application

l Switching AC/DC power adapter

l Printer, Network, POS SMPS

Typical Application Information

Package