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3521 Datasheet(PDF) 1 Page - Unisonic Technologies

Part # 3521
Description  PWM CONTROLLER WITH SUPERVISORY CIRCUIT
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

3521 Datasheet(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
3521
CMOS IC
www.unisonic.com.tw
1 of 6
Copyright © 2010 Unisonic Technologies Co., Ltd
QW-R502-034.D
PWM CONTROLLER WITH
SUPERVISORY CIRCUIT FOR
SWITCHING POWER SUPPLY
DESCRIPTION
UTC 3521 PWM controller is designed for switching mode power
supply for PCs. It provides all the functions necessary to monitor and
control the output of the power supply. Remote ON/OFF control,
power good circuitry, some protection features against over-voltage
and over-power are implements.
FEATURES
* Over-Voltage Protection for 3.3V, 5V and 12V
* Under-Voltage Detection for 3.3V, 5V and 12V
* Over-Power Protection
* Remote ON/OFF Function
* Power Good Circuitry
* Delay Time for PG Signal
* Delay Time for Over-Voltage and Under-Voltage Protection
* On-Chip Oscillator and Error Amplifier
DIP-16
ORDERING INFORMATION
Ordering Number
Lead Free Plating
Halogen Free
Package
Packing
3521L-D16-T
3521G-D16-T
DIP-16
Tube
3521L-D16-T
(1)Packing Type
(2)Package Type
(3)Lead Free
(1) T: Tube
(2) D16: DIP-16
(3) L: Lead Free, G: Halogen Free


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