SG78xxA/78xx
®
TM
Positive Fixed Voltage Regulator
PRODUCT DATASHEET
KEY FEATURES
DESCRIPTION
Output Voltage Set Internally to
±1.5% on SG78xxA
Input Voltage Range to 50V max.
on SG78xxA
Two Volt Input-Output Differential
Excellent Line and Load Regulation
Foldback Current Limiting
Thermal Overload Protection
Voltages Available: 5V, 12V, 15V
Contact Factory for Other Voltage
Options
The SG78xxA/SG78xx series of
All protective features of thermal
positive regulators offer self contained, shutdown, current limiting, and safe-area
fixed-voltage capability with up to 1.5A of control have been designed into these units
load current and input voltage up to 50V and since these regulators require only a
(SG78xxA series only). These units small output capacitor for satisfactory
feature a unique on-chip trimming system performance, ease of application is assured.
to set the output voltages to within ±1.5% Although designed as fixed-voltage
of nominal on the SG78xxA series, ±2.0% regulators, the output voltage can be
on the SG78xx series. The SG78xxA increased through the use of a simple
versions also offer much improved line voltage divider. The low quiescent drain
and load regulation characteristics. current of the device insures good regulation
Utilizing an improved bandgap reference when this method is used. Product is
design, problems have been eliminated available in hermetically sealed TO-257
that are normally associated with the Zener (both case grounded ‘G’ and isolated ‘IG’),
diode references, such as drift in output TO-3, TO-39 and LCC packages.
voltage and large changes in the line and
Available in Surface Mount
Package
HIGH RELIABILITY FEATURES
- SG78xxA/78xx
Available to MIL-STD – 883, ¶ 1.2.1
MIL-M38510/10702BXA - JAN7805T
MIL-M38510/10703BXA - JAN7812T
MIL-M38510/10704BXA - JAN7815T
MIL-M38510/10706BYA - JAN7805K
MIL-M38510/10707BYA - JAN7812K
MIL-M38510/10708BYA - JAN7815K
Radiation Data Available
load regulation.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
MSC-AMSG level "S" Processing Available
Available to DSCC
– Standard Microcircuit Drawing (SMD)
PRODUCT HIGHLIGHT
SCHEMATIC DIAGRAM
*
* For normal operation the (V ) sense pin must be externally connected to the load.
OS
Copyright © 1997
Rev. 1.5, 2010-07-13
Microsemi
Analog Mixed Signal Group
Page 1
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570