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JAN137K

1.5 AMP NEGATIVE ADJUSTABLE REGULATOR

Microsemi Corporation 

SG137A/SG237A/SG337A

SG137/SG237/SG337

1.5 AMP NEGATIVE

ADJUSTABLE REGULATOR

DESCRIPTION

The SG137A family of negative adjustable regulators will deliver up to 1.5A

output current over an output voltage range of -1.2V to -37V. Silicon General

has made significant improvements in these regulators compared to previous

devices, such as better line and load regulation, and a maximum output voltage

error of 1%. The SG137 family uses the same chip design and guarantees

maximum output voltage error of ±2%.

Every effort has been made to make these devices easy to use and difficult to

damage. Internal current and power limiting coupled with true thermal limiting

prevents device damage due to overloads or shorts even if the regulator is not

fastened to a heat sink.

The SG137A/137 family of products are ideal complements to the SG117A/

117 adjustable positive regulators.

FEATURES

• 1 % output voltage tolerance

• 0.01%/V line regulation

• 0.5% load regulation

• 0.02%/W thermal regulation

• Available in hermetic TO-220

HIGH RELIABILITY FEATURES

-SG137A/SG137

♦ Available to MIL-STD-883 and DESC SMD

♦ Scheduled for MIL-M38510 QPL listing

♦ MIL-M38510/11804BYA - JAN137K

♦ LMI level "S" processing available

BLOCK DIAGRAM

2/92 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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