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SC1563

Semtech Corporation
Part Number SC1563
Manufacturer Semtech Corporation
Description VERY LOW DROPOUT/ LOW QUIESCENT 500mA REGULATOR
Published Apr 8, 2005
Detailed Description VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR PRELIMINARY - September 11, 2000 SC1563 TEL:805-498-2111 FAX:805-498-3...
Datasheet PDF File SC1563 PDF File

SC1563
SC1563

Overview
VERY LOW DROPOUT, LOW QUIESCENT 500mA REGULATOR PRELIMINARY - September 11, 2000 SC1563 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.
semtech.
com DESCRIPTION The SC1563 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 500 milliamps.
Since it has superior dropout characteristics compared to regular LDOs, it can be used to supply 2.
5V on motherboards or 2.
8V on peripheral cards from the 3.
3V supply with no heatsink.
Additionally, the SC1563 has a shutdown pin, to further reduce power dissipation while shut down.
The SC1563 provides excellent regulation over variations in line, load and temperature.
The SC1563 is available as a five terminal fixed or adjustable output voltage device with enable.
The device is available in a 5-pin SOT-23 package and an 8-pin MSOP package for higher power dissipation/ lower junction temperature.
FEATURES •= 450mV dropout @ 500mA •= Designed to operate with ceramic capacitors •= Adjustable output from 1.
200V to 3.
3V •= Multiple output voltage options (all parts also •= •= •= •= •= adjustable externally using resistors) Over current and over temperature protection Enable pin 1µA quiescent current in shutdown Low reverse leakage (output to input) Full industrial temperature range APPLICATIONS •= Battery powered systems •= Motherboards •= Peripheral cards •= PCMCIA cards ORDERING INFORMATION DEVICE (1)(2)(3) PACKAGE SOT-23-5L MSOP-8 SC1563ISK-X.
XTR SC1563IMS-X.
XTR TYPICAL APPLICATION Internally Preset Output Voltage U1 5 VIN 1 SHDN C1 VIN SHDN GND 2 3 SC1563ISK-X.
X VO 4 VO (X.
XV) Notes: (1) Where -X.
X denotes voltage options.
Available voltages are: 1.
8V, 2.
5V, 2.
8V, 3.
0V, 3.
1V and 3.
3V.
(2) Output voltage can be adjusted using external resistors, see Pin Description.
(3) Only available in tape and reel packaging.
A reel contains 2500 devices (MSOP-8) or 3000 devices (SOT-23-5L).
Externally Set Output Voltage U1 5 VIN 1 SHDN C2 C1 VIN SHDN GND 2 SC1563I...


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