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OB_DOC_DS_5800

OB2358

Current Mode PWM Power Switch

Freq Shuffling

TERMINAL ASSIGNMENTS

Pin Name

I/O

Description

GND

P

Ground

FB

I

Feedback input pin. The PWM duty cycle is determined by voltage level into this pin

and the current-sense signal at Pin 4.

VDD-G

P

Internal Gate Driver Power Supply

SENSE

I

Current sense input

VDD

P

IC DC power supply Input

Drain

O

HV MOSFET Drain Pin. The Drain pin is connected to the primary lead of the

transformer

BLOCK DIAGRAM