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SGR117AT
(Rev.:2015)

Rad Hard 1.5 Amp Three Terminal Adjustable Voltage Regulator

Microsemi Corporation 

Rad Hard 1.5 Amp Three Terminal

Adjustable Voltage Regulator

SGR117A

Description

The RAD HARD SGR117A 3-terminal positive adjustable

regulators have been designed to meet the most stringent

space and strategic level radiation requirements while

meeting the industry standard LM117A and LM117 electrical

specifications.

In addition to the features of the standard SGR117A, these

devices are capable of meeting the attached data sheet

electricals after the following radiation events:

TOTAL DOSE.............................300 k RAD

NEUTRON FLUENCE.............5x1012 N/cm²

Features

 Full Electrical Performance After Radiation

Exposure 300 k Rad Total Dose 5x1012 N/cm²

 1% Output Voltage Tolerance

 0.01%/V Line Regulation

 0.3% Load Regulation

 Min. 1.5 A Output Current

 Available in TO-257 Package (Hermetic TO-220)

High Reliability Features

 Available to MIL-STD-883, ¶ 1.2.1

 Radiation Data Available

 MSC-AMS level “S” Processing Available

Block Diagram

200 k

2.9 k

12.4 k

6.3 V

70 k

5.1 k

5.8 k

6.7 k

12 k

3.7 k

1.3 k

17 k

1.7 k

30 pF

0.4 k

11.25 k

1k

10 k

Figure 1 · Block Diagram

May 2015 Rev. 1.3

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© 2015 Microsemi Corporation

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