CR6853
Pin Assignment
Pin Descriptions
Name
Description
GND
GND Pin
Voltage feedback pin. Output current of this pin could controls the PWM
FB
duty cycle、OLP and SCP.
This pin is to program the switching frequency. By connecting a resistor
to ground to set the switching frequency.
RI
SEN
VDD
GATE
Current sense pin, a resistor connects to sense the MOSFET current.
Supply voltage pin.
Totem output to drive the external power MOSFET.
TYPICAL APPLICATION
Oct, 2008 V2.0
2/12
Chengdu Chip-Rail Tech. Co., Ltd.
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