MC33362 ON Semiconductor, MC33362 Datasheet - Page 8

• Manufacturer Part Number: MC33362
• Description: High Voltage Switching Regulator
• Manufacturer: ON Semiconductor

Regulator Output
Oscillator Output
AC Input
(Power Switch
Blanking Input
Drain Current)
Compensation
Leading Edge
Power Switch
6.5 V
Capacitor C
Comparator
PWM Latch
Gate Drive
R
C
Q Output
T
T
Output
PWM
8
6
7
T
I
Current
Shutdown
Mirror
Thermal
Comparator
Oscillator
PWM
4 I
2.25 I
Gnd
Current Limit
4, 5, 12, 13
Comparator
Band Gap
Regulator
Figure 19. Representative Block Diagram
PWM Latch
Normal PWM Operating Range
S
270 µA
Figure 20. Timing Diagram
R
450
Q
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Startup
Control
Driver
UVLO
OVP
Leading Edge
Startup Input
Blanking
Error
Amplifier
8
2.6 V
14.5 V/
9.5 V
1
2.6 V
9.0
V CC
16
Compensation
10
Voltage
Feedback Input
11
3
9
Overvoltage
Protection
Input
Power Switch
Drain
Output Overload
Current Limit
Propagation
Delay
Current
Limit
Threshold
2.6 V
0.6 V
DC
Output