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