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National Semiconductor Electronic Components Datasheet

LM723CN Datasheet

Voltage Regulator

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June 1999
LM723/LM723C
Voltage Regulator
General Description
The LM723/LM723C is a voltage regulator designed prima-
rily for series regulator applications. By itself, it will supply
output currents up to 150 mA; but external transistors can be
added to provide any desired load current. The circuit fea-
tures extremely low standby current drain, and provision is
made for either linear or foldback current limiting.
The LM723/LM723C is also useful in a wide range of other
applications such as a shunt regulator, a current regulator or
a temperature controller.
The LM723C is identical to the LM723 except that the
LM723C has its performance guaranteed over a 0˚C to
+70˚C temperature range, instead of −55˚C to +125˚C.
Features
n 150 mA output current without external pass transistor
n Output currents in excess of 10A possible by adding
external transistors
n Input voltage 40V max
n Output voltage adjustable from 2V to 37V
n Can be used as either a linear or a switching regulator
Connection Diagrams
Dual-In-Line Package
Metal Can Package
DS008563-2
Top View
Order Number LM723J/883 or LM723CN
See NS Package J14A or N14A
DS008563-3
Note: Pin 5 connected to case.
Top View
Order Number LM723H, LM723H/883 or LM723CH
See NS Package H10C
© 1999 National Semiconductor Corporation DS008563
www.national.com


National Semiconductor Electronic Components Datasheet

LM723CN Datasheet

Voltage Regulator

No Preview Available !

Connection Diagrams (Continued)
Equivalent Circuit*
DS008563-20
Top View
Order Number LM723E/883
See NS Package E20A
*Pin numbers refer to metal can package.
Typical Application
DS008563-4
DS008563-8
for minimum temperature drift.
Typical Performance
Regulated Output Voltage
Line Regulation (VIN = 3V)
Load Regulation (IL = 50 mA)
5V
0.5mV
1.5mV
FIGURE 1. Basic Low Voltage Regulator
(VOUT = 2 to 7 Volts)
www.national.com
2


Part Number LM723CN
Description Voltage Regulator
Maker National Semiconductor
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LM723CN Datasheet PDF






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