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SG1532L/883B

PRECISION GENERAL-PURPOSE REGULATOR

Microsemi Corporation 

SG1532/SG2532/SG3532

PRECISION GENERAL-PURPOSE REGULATOR

DESCRIPTION

This monolithic integrated circuit is a versatile, general-purpose voltage

regulator designed as a substantially improved replacement for the popular

SG723 device. The SG1532 series regulators retain all the versatility of the

SG723 but have the added benefits of operation with input voltages as low as

4.5 volts and as high as 50 volts; a low noise, low voltage reference;

temperature compensated, low threshold current limiting; and protective

circuits which include thermal shutdown and independent current limiting of

both the reference and output voltages. A separate remote shutdown terminal

is included . In the dual-in-line package an open collector output is available

for low input-output differential applications.

These devices are available in both hermetic 14-pin cerdip and 10-pin TO-

96 packages. In the T-package, these units are interchangeable with the LAS-

1000 and LAS-1100 regulators. The SG1532 is rated for operation over the

ambient temperature range of -55°C to 125°C while the SG2532 and SG3532

are intended for industrial applications of 0°C to 70°C.

FEATURES

• Input voltage range of 4.5V to 50V

• 2.5V low noise reference

• Independent shutdown terminal

• Improved line and load regulation

• 80mV current limit sense voltage

• Fully protected including thermal

shutdown

• Useful output current to 150mA

HIGH RELIABILITY FEATURES

-SG1532

♦ Available to MIL-STD-883

♦ LMI level "S" processing available

BLOCK DIAGRAM

2/93 Rev 1.1 2/94

Copyright © 1994

LINFINITY Microelectronics Inc.

1

11861 Western Avenue ∞ Garden Grove, CA 92841

(714) 898-8121 ∞ FAX: (714) 893-2570

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