OB2358
Current Mode PWM Power Switch Freq Shuffling
TERMINAL ASSIGNMENTS
Pin Name
GND
FB
VDD-G
SENSE
VDD
Drain
I/O Description
P Ground
I Feedback input pin. The PWM duty cycle is determined by voltage level into this pin
and the current-sense signal at Pin 4.
P Internal Gate Driver Power Supply
I Current sense input
P IC DC power supply Input
O HV MOSFET Drain Pin. The Drain pin is connected to the primary lead of the
transformer
BLOCK DIAGRAM
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OB_DOC_DS_5800