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EM8632 Datasheet

PWM Controller

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EM8632 pdf
Green mode PWM Flyback Controller
EM8632
General Description
EM8632 is a high performance, low startup
current, low cost, current mode PWM controller
with green mode power saving. The EM8632
integrates functions of Soft Start(SS), Under Voltage
Lockout(UVLO), Leading Edge Blanking(LEB),
internal Over Temperature Protection(OTP),
internal slope compensation. The EM8632 also
features more protection like Over Load
Protection(OLP) and Over Voltage Protection(OVP)
to prevent circuit damage occurred under
abnormal conditions.
The EM8632 provides the users a superior
AC/DC power application of high efficiency,
excellent EMI performance, low external
component counts and lower cost solution.
Features
Ultra Low Start Up Current (6uA)
Current Mode Control
Soft Start Function
Built-in Slope Compensation
Internal Leading-edge Blanking
UVLO
Over Voltage Protection (OVP) on VDD 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
EM8632J
EM8632S
Package
SOT-23-6
DIP-8
Remark
Typical Application Circuit
Applications
Switching AC/DC Adaptor and charger
Open-Frame SMPS
2013/01/30
A.2
1
Excelliance MOS
Excelliance MOS



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