MC33232 ON Semiconductor, MC33232 Datasheet - Page 7

• Manufacturer Part Number: MC33232
• Description: Power Factor Controller
• Manufacturer: ON Semiconductor

Item
POR
t
V
V
DLY
Z
TEST CIRCUIT
To follow unless
otherwise noted
SW1 = E
Pin 8 = 25 mA
SW1: A
SW2: A
SW3: OFF
V
Pin 4
in
= 0 V
SW1 = E
f = 100 KHz
Pin 1, 3 = 0 V
Pin 4 = 0 V
Condition
Pin 5 = 2.0 V
Pin 1, 4 = 0 V
1
2
3
4
Voltage
Feedback
Input
Compensation
Multiplier
Input
Current
Sense
Input
V
in
= 0 V
http://onsemi.com
2 V
0 V
MC33232
Current
Output
Detect
7
Drive
GND
Zero
V
CC
Pin 8
Pin 7
8
7
6
5
SW1
SW2
SW3
2.0 V
Measure Pin 7 frequency (FPin 7)
ON
12 V
C
A
E
V
B
D
B
th(on)
Measurement Method
Measure Pin 8 voltage
Measure Pin 8 voltage
C
A
OFF
7.0 V
POR = T
28 V
1000 pF
30 V
t
DLY
TBD kW
T
4.7 kW
= 1 / FPin 7
start
start
− t
DLY
V
in
5 V
20 V
0 V