UC2572 modulator equivalent, negative output flyback pulse width modulator.
* Simple Single Inductor Flyback PWM
for Negative Voltage Generation
* Drives External PMOS Switch
* Contains UVLO Circuit
* Includes Pulse-by-Pulse Curre.
BLOCK DIAGRAM
SLUS275A - MARCH 1999 - REVISED AUGUST 2001
UDG-94094-2
ABSOLUTE MAXIMUM RATINGS
VCC . . . . . . . . .
The UC3572 is a negative output flyback pulse width modulator which converts a positive input voltage to a regulated negative output voltage. The chip is optimized for use in a single inductor negative flyback switching converter employing an externa.
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