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SG140-35T Datasheet(PDF) 1 Page - Microsemi Corporation

Part # SG140-35T
Description  positve fixed voltage regulator
Download  9 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

SG140-35T Datasheet(HTML) 1 Page - Microsemi Corporation

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POSITIVE FIXED VOLTAGE REGULATOR
DESCRIPTION
The SG140A/140 series of positive regulators offer self contained, fixed-voltage
capability with up to 1.5A of load current and input voltage up to 50V (SG140A series
only).
These units feature a unique on-chip trimming system to set the output voltages to
within
±1.5% of nominal on the SG140A series and ±2.0% on the SG140 series. The
SG140A versions also offer much improved line and load regulation characteristics.
Utilizing an improved Bandgap reference design, problems have been eliminated that
are normally associated with the Zener Diode references, such as drift in output voltage
and large changes in the line and load regulation.
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 small output
capacitor 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.
Product is available in hermetically sealed TO-257 (isolated), TO-3, TO-66, and
TO-39 power packages.
FEATURES
••••• Output voltage set internally to
±±±±±1.5% on SG140A
••••• Input voltage reange to 50V max.
on SG140A
••••• Two volt input-output differential
••••• Bandgap reference voltage
••••• Excellent line and load regulation
••••• Foldback current limiting
••••• Thermal overload protection
••••• Voltages available - 5V, 12V, 15V
••••• Voltages Not Recommended For
New Designs - 6V, 8V, 18V, 24V
HIGH RELIABILITY FEATURES
- SG140A/140
♦ Available to MIL-STD - 883
♦ Radiation data available
♦ LMI level "S" processing available
SCHEMATIC DIAGRAM
SG140A/SG140
2/90 Rev 1.4 6/97
LINFINITY Microelectronics Inc.
Copyright
 1997
11861 Western Avenue ∞
∞ Garden Grove, CA 92841
1
(714) 898-8121 ∞
∞FAX: (714) 893-2570


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