SG79xxA / SG79xx

Microsemi

Analog Mixed Signal Group

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 1

Copyright

© 1997

Rev. 1.6, 2010-07-16

Negative Fixed Voltage Regulator

TM

®

DESCRIPTION

The SG79xxA/SG79xx series of negative

regulators

offer

self-contained,

fixed-

voltage capability with up to 1.5A of load

current and input voltage up to -30V. With

a variety of output voltages this regulator

series is an optimum complement to the

SG7800A/SG7800 positive three terminal

regulators.

These units feature a unique band gap

reference which allows the SG79xxA

series to be specified with an output

voltage tolerance of ±1.5%.

The SG79xxA versions also offer much

improved line regulation characteristics.

All

protective

features

of

thermal

shutdown, current limiting, and safe-area

control have been designed into these units

and since these regulators require only a

single output capacitor (SG79xx series) or a

capacitor and 5mA minimum load (SG120

series) for satisfactory performance, ease of

application is assured.

Although

designed

as

fixed-voltage

regulators,

the

output

voltage

can

be

increased through the use of a simple

voltage divider. The low quiescent drain

current of the device insures good regulation

when this method is used.

These

devices

are

available

in

hermetically sealed TO-257 (both case

grounded ‘G’ and isolated ‘IG’), TO-3, TO-

39 and LCC packages.

KEY FEA T URES

Output Voltage Set Internally to

±1.5% on SG79xxA

Output Current to 1.5A

Excellent Line and Load Regulation

Foldback Current Limiting

Thermal Overload Protection

Voltages Available: -5V, -12V, -15V

Contact Factory for Other Voltage

Options

Available in Surface Mount Package

HIGH RELIABILITY FEATURES

- SG79xxA/SG79xx

Available to MIL-STD - 883, ¶ 1.2.1

MIL-M38510/11501BXA - JAN7905T

MIL-M38510/11505BYA - JAN7905K

MIL-M38510/11502BXA - JAN7912T

MIL-M38510/11506BYA - JAN7912K

MIL-M38510/11503BXA - JAN7915T

MIL-M38510/11507BYA - JAN7915K

MIL-M38510/11508BYA - JAN7924K

MSC-AMSG level "S" Processing Available

Available to DSCC

– Standard Microcircuit Drawing (SMD)

PRODUCT HIGHLIG HT