CR6203
Pin Assignment & Description
Name
CT
FB
GND
IS
OC
OB
VCC
Description
By connecting a cap to ground to set the switching frequency
Feedback pin
GND
Current sense.
Power Transistor Collector drive output and start-up current input.
Power Transistor Base drive output and start-up current control.
Power Supply.
Block Diagram
Simplified Internal Circuit Architecture
Aug.2008 V2.0
3/14