DatasheetsPDF.com

UTC3521

UTC
Part Number UTC3521
Manufacturer UTC
Description CMOS IC
Published Oct 25, 2013
Detailed Description UNISONIC TECHNOLOGIES CO., LTD 3521 PWM CONTROLLER WITH SUPERVISORY CIRCUIT FOR SWITCHING POWER SUPPLY „ DESCRIPTION CM...
Datasheet PDF File UTC3521 PDF File

UTC3521
UTC3521

Overview
UNISONIC TECHNOLOGIES CO.
, LTD 3521 PWM CONTROLLER WITH SUPERVISORY CIRCUIT FOR SWITCHING POWER SUPPLY „ DESCRIPTION CMOS IC 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.
DIP-16 „ 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 „ ORDERING INFORMATION Ordering Number Lead Free Plating Halogen Free 3521L-D16-T 3521G-D16-T Package DIP-16 Packing 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 www.
unisonic.
com.
tw Copyright © 2010 Unisonic Technologies Co.
, Ltd 1 of 6 QW-R502-034.
D Free Datasheet http://www.
datasheet4u.
com/ 3521 „ PIN CONFIGURATION V33 V5 V12 PT GND CT C1 C2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VADJ OPNEGIN OPOUT VCC DET PG TPG REM CMOS IC „ PIN DESCRIPTION PIN NAME V33 V5 V12 PT GND CT C1 C2 REM TPG PG DET VCC OPOUT OPNEGIN VADJ TYPE I I I I P O O I O I P O I I FUNCTIONS OVP/UVP Input For 3.
3V OVP/UVP Input For 5V OVP/UVP Input For 12V Additional OVP Protection Ground Cap FOR Osciilation Frequency Output 1 Output 2 Remote ON/OFF Pin.
Power Good Delay Time Setting Power Good Signal Out.
Power Good Signal Detection Input Supply Voltage For IC OP AMP Output OP AMP Negative Input Voltage Adjust Pin PIN NO.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 6 QW-R502-034.
D Free Datasheet http://www.
datasheet4u.
com/ 3521 „ BLOCK DIAGRAM CMOS IC UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 3 of 6 QW-R502-034.
D Fre...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)