EM8557A Datasheet - Excelliance MOS

EM8557A PWM Converter

EM8557A is a high performance, low cost, HV Start-up, current mode PWM controller with green mode power saving. The EM8557A integrates functions of Soft Start (SS), Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB), internal Over Temperature Protection (OTP), and internal slope compensation..

EM8557A Features

* more protection like Over Load Protection (OLP) and Over Voltage Protection (OVP) to prevent circuit damage occurred under abnormal conditions. The EM8557A also has line under-voltage protection (Brown-out Protection). Features 600V High Voltage Start up Circuit Current Mode Control Soft Start Func

EM8557A-ExcellianceMOS.pdf