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MC33232P

P1-P3P4-P6P7-P9P10-P12P13-P15
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.
MC33232
http://onsemi.com
11
PIN FUNCTION DESCRIPTION
FunctionEquivalent CircuitPin No.Name
ZCD 5
PMOS-L
V
DD
V
CC
V
DD
NP N-L
Zero Current Detect Input
Control the output ON point to detect
the zero current point on the coil.
This pin has the 0.7 V and 5.3 V
clamp diode internal.
GND 6
V
CC
Ground
Output 7
V
CC
Vx
Pin 8
Pin 7
NP N-M
TMOS-M
Drive Out
Totem pole output.
V
CC
8
Power Supply
MC33232
http://onsemi.com
12
V
CC
Vx
Pin 8
Pin 7
NP N-M
TMOS-M
V
CC
PMOS-L
V
DD
V
CC
V
DD
NP N-L
Vx
V
ref
PNP-S
PNP-L
NP N-H
PNP-S
NP N-L
NMOS-L
Vx
NP N-L
PMOS-L
PNP-S
Vx
PMOS-L
V
DD
Multiout
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
INTERNAL EQUIVALENT CIRCUIT
P1-P3P4-P6P7-P9P10-P12P13-P15

MC33232P

Mfr. #:
Buy MC33232P
Manufacturer:
ON Semiconductor
Description:
Power Factor Correction - PFC Critical Mode PFC
Lifecycle:
New from this manufacturer.
Delivery:
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