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Excelliance MOS

EM8569 Datasheet Preview

EM8569 Datasheet

PWM Converter

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EM8569
HV Start-up Green-mode PWM Converter with Brown-Out Protection
General Description
EM8569 is a high performance, low cost, HV
Start-up, current mode PWM converter with green
mode power saving. The EM8569 integrates
functions of Soft Start (SS), Under Voltage Lockout
(UVLO), Leading Edge Blanking (LEB), internal Over
Temperature Protection (OTP), and internal slope
compensation. The EM8569 also features more
protection like Over Load Protection (OLP) and
Over Voltage Protection (OVP) to prevent circuit
damage occurred under abnormal conditions. The
EM8569 also has line under-voltage protection
(Brown-out Protection).
Features
700V 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
EM8569S7
Package
DIP-7
Remark
Typical Application Circuit
Applications
LCD Monitor Power Supply
Open-Frame SMPS
AC EMI
INPUT Filter
DC
OUTPUT
DD
VCC
EM8569
CS BNO GND COMP
2013/02/04
Rev.A.6
1




Excelliance MOS

EM8569 Datasheet Preview

EM8569 Datasheet

PWM Converter

No Preview Available !

Pin Configuration
DD
76
VCC
5
EM8569
DIP-7
TOP VIEW
12 34
CS BNO GND COMP
Pin Assignment
Pin Name Pin Number
Pin Function
CS
BNO
GND
COMP
VCC
D
1 Sense the primary current.
2 Line voltage detection. Use for brown-out protection.
3 Ground.
4
Voltage feedback pin. By connecting a photo-coupler to close the control loop
and achieve the regulation.
5 IC Power Supply Pin.
6,7 For start-up, the pin is also HV Power MOSFET drain Pin.
2013/02/04
Rev.A.6
2


Part Number EM8569
Description PWM Converter
Maker Excelliance MOS
Total Page 12 Pages
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