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EM8559A Datasheet

PWM Converter

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EM8559A pdf
EM8559A
HV Start-up Green-mode PWM Convertor with Brown-Out Protection
General Description
EM8559A is a high performance, low cost, HV
Start-up, current mode PWM controller with green
mode power saving. The EM8559A integrates
functions of Soft Start (SS), Under Voltage Lockout
(UVLO), Leading Edge Blanking (LEB), internal Over
Temperature Protection (OTP), and internal slope
compensation. The EM8559A also features more
protection like Over Load Protection (OLP) and
Over Voltage Protection (OVP) to prevent circuit
damage occurred under abnormal conditions. The
EM8559A also has line under-voltage protection
(Brown-out Protection).
Features
600V High Voltage Start up Circuit
Current Mode Control
Soft Start Function
Built-in Slope Compensation
Internal Leading-edge Blanking
Brown in/out Protection
Over Voltage Protection (OVP) on VCC pin
Over Load Protection (OLP)
Cycle-by-cycle Current Limit
Feedback Open Protection
Internal Over Temperature Protection (OTP)
Constant Output Power Limit (Full AC Input
Range)
Excellent EMI performance
Ordering Information
Part Number
EM8559AS7
Package
DIP-7
Remark
Typical Application Circuit 1
Applications
LCD Monitor Power Supply
Open-Frame SMPS
AC
INPUT
EMI
Filter
DC
OUTPUT
Typical application
2013/08/14
Rev.A.1
DD
VCC
EM8559A
CS BNO GND COMP
1
Excelliance MOS
Excelliance MOS



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