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EM8633L Datasheet

PWM Controller

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EM8633L pdf
EM8633L
Green mode PWM Flyback Controller with External Over
Temperature Protection
General Description
EM8633L is a high performance, low startup
current, low cost, current mode PWM controller
with green mode power saving. The EM8633L
integrates functions of Soft Start(SS), Under Voltage
Lockout(UVLO), Leading Edge Blanking(LEB),
internal and external Over Temperature
Protection(OTP), internal slope compensation. The
EM8633L also features more protection like Over
Load Protection(OLP) and Over Voltage
Protection(OVP) to prevent circuit damage
occurred under abnormal conditions.
The EM8633L provides the users a superior
AC/DC power application of high efficiency,
excellent EMI performance, low external
component counts and lower cost solution.
Ordering Information
Part Number
EM8633L J
Package
SOT-23-6
Remark
Typical Application Circuit
Features
Ultra Low Start Up Current (6uA)
Current Mode Control
Soft Start Function
Built-in Slope Compensation
Internal Leading-edge Blanking
Over Voltage Protection (OVP) on VDD pin
Over Load Protection (OLP)
Cycle-by-cycle Current Limit
Feedback Open Protection
External Over Temperature Protection (OTP)
Internal Over Temperature Protection (OTP)
Constant Output Power Limit (Full AC Input
Range)
Internal Frequency Jittering for Excellent
EMI Performance
Gate Voltage Clamping
Applications
Switching AC/DC Adaptor and Charger
Open-Frame SMP
AC
INPUT
EMI
Filter
DC
+ OUTPUT
VDD
LATCH
GATE
EM8633L
COMP
CS
GND
2013/05/13
A.1
1
Excelliance MOS
Excelliance MOS



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