MC33232
http://onsemi.com
10
PIN FUNCTION DESCRIPTION
Name
Pin No.
Equivalent Circuit
Function
V
FB
1
Vx
V
ref
PNP-S
PNP-L
NP N-H
Voltage Feedback Input
This pin is an input for error amplifier
to feedback the voltage from the
converter output. Have the
overvoltage detect circuit to cut off
the drive out when the voltage is
over 8% from setting value.
COMP
2
PNP-S
NP N-L
NMOS-L
Vx
NP N-L
PMOS-L
Error Amplifier Output/Compensation
This pin is an error amplifier output.
Can do phase compensation or gain
adjustment by this pin.
Mult
3
PNP-S
Vx
Multiplier Input
Monitor the AC off line voltage using
this input.
CS
4
PMOS-L
V
DD
Multiout
Current Sense Input
Control the output voltage by sensing
the overcurrent at each cycle. This
pin connects the RC filter and 1.5 V
clamp diode.
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相关代理商/技术参数
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MC33260D 功能描述:功率因数校正 IC Critical Conduction RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
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