UNISONIC TECHNOLOGIES CO., LTD
3521
PWM CONTROLLER WITH
SUPERVISORY CIRCUIT FOR
SWITCHING POWER SUPPLY
DESCRIPTION
UTC
3521
PWM controller is designed for switching mode power
supply for PCs etc. It provides all the functions similar to
combinations of industrial 494 plus UTC 3510 circuits.
CMOS IC
DIP-16
FEATURES
* Over-voltage protection for 3.3V, 5V and 12V with delay
* Under-voltage detection for 3.3V, 5V and 12V with delay
* Remote ON/OFF function
* Power good circuitry for PCs.
*Pb-free plating product number: 3521L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
3521-D16-T
3521L-D16-T
Package
DIP-16
Packing
Tube
3521L-D16-T
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) T: Tube
(2) D16: DIP-16
(3) L: Lead Free Plating, Blank: Pb/Sn
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