FA5502PM Fuji Electric holdings CO.,Ltd, FA5502PM Datasheet - Page 5

• Manufacturer Part Number: FA5502PM
• Description: Power Factor Correction
• Manufacturer: Fuji Electric holdings CO.,Ltd

4. Block diagram
5.
FA5502P/M
SYNC
(14)
Pin assignment
Pin No.
4.85k
15k
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
0.39V
OSC
IDET(16)
IFB
IIN-
VDET
OVP
VFB
VIN-
GND
OUT
VC
VCC
CS
ON/OFF
REF
SYNC
CT
IDET
CT(15)
OCP.COMP
Symbol
R
S
S
Current
output
Inverting input to current
error amplifier
Multiplier input
Overvoltage
input
Voltage
output
Inverting input to voltage
error amplifier
Ground
Output
Power supply to output
circuit
Power Supply
Soft-start
Output ON/OFF control
input
Reference voltage
Oscillator synchronization
input
Oscillator timing capacitor
and resistor
Non-inverting
current error amplifier
Q
+
-
CUR.AMP
Function
error
error
IFB(1)
protection
input
CS(11)
amplifier
amplifier
PWM.COMP
11k
IIN-(2)
11µA
to
MUL
5
Description
Output of current error amplifier to connect
compensation network
Inverting input of current error amplifier to
connect compensation network
Input of multiplier to detect sinusoidal
waveform
Input to overvoltage protection circuit
Output of voltage error amplifier to connect
compensation network
Inverting input to voltage error amplifier to
detect PFC output voltage
Ground
Output for direct driving a power MOSFET
Power supply to output circuit
Power supply for IC
A pin to connect a capacitor for soft-start
Input of ON/OFF control circuit
Reference voltage output
Input of synchronization signal
A pin to connect timing capacitor and
resistor to set oscillation frequency
Input of inductor current signal
16.5V/8.9V
UVLO
VDET(3)
Quality is our message
Quality is our message
Quality is our message
Quality is our message
OVP.COMP
REF(13)
1.55V
5V
REF
1.64V
ER.AMP
VCC(10)
+
-
ON/OFF
3.95V/
2.8V
1.55V
ON/OFF(12)
VIN-
OVP
OUT
GND
VC
(9)
VFB
(6)
(8)
(4)
(7)
(5)