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GR8874
Green-Mode PWM Controller with Integrated Protections
Features
High-voltage (500V) startup circuit Standby 100mW solution Current mode PWM Very low startup current (<20uA) Under-voltage lockout (UVLO) Non-audible-noise green-mode control Programmable switching frequency Cycle-by-cycle peak current limiting Internal leading-edge blanking Internal slope compensation Internal 4ms soft start (Fs = 65KHz) Gate output voltage clamp Soft driving for reducing EMI Over-voltage protection (OVP) on Vcc pin Over-load protection (OLP) 500mA driving capability
Ordering and Marking Information
GR8874
Applications
Open-frame SMPS ● Switching AC/DC adapter
Description
The GR8874 is a highly-integrated, low startup current, current mode PWM controller with green-mo
GR8874 Datasheet
