LM140 National Semiconductor, LM140 Datasheet
LM140
Manufacturer Part Number
LM140
Description
Series 3-Terminal Positive Regulators
Manufacturer
National Semiconductor
Datasheet
1.LM140.pdf
(7 pages)
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MJLM140-05-K REV 0B0
VOLTAGE REGULATOR, +5 VOLTS AT 1.0A
General Description
The LM140 monolithic 3-terminal positive voltage regulators employ internal current
limiting, thermal shutdown and safe-area compensation, making them essentially
indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output
current. They are intended as fixed voltage regulators in a wide range of applications
including local (on-card) regulation for elimination of noise and distribution problems
associated with single-point regulation. In addition to use as fixed voltage regulators,
these devices can be used with external components to obtain adjustable output voltages
and currents.
Considerable effort was expended to make the entire series of regulators easy to use and
minimize the number of external components. It is not necessary to bypass the output,
although this does improve transient response. Input bypassing is needed only if the
regulator is located far from the filter capacitor of the power supply.
Industry Part Number
LM140
Prime Die
LM140
Controlling Document
38510/10706
Processing
MIL-STD-883, Method 5004
Quality Conformance Inspection
MIL-STD-883, Method 5005
REV C
1
NS Part Numbers
JL140-5BYA
JL140-5SYA
Subgrp Description
1
2
3
4
5
6
7
8A
8B
9
10
11
MICROCIRCUIT DATA SHEET
Static tests at
Static tests at
Static tests at
Dynamic tests at
Dynamic tests at
Dynamic tests at
Functional tests at
Functional tests at
Functional tests at
Switching tests at
Switching tests at
Switching tests at
Last Major Revision Date: 05/10/95
Original Creation Date: 05/10/95
Last Update Date: 02/17/97
+25
+125
-55
+25
+125
-55
+25
+125
-55
+25
+125
-55
Temp ( C)
o
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