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lm723 datasheet - pdf

LM723, LM723C
www.ti.com
SNVS765C – JUNE 1999 – REVISED APRIL 2013
LM723/LM723C Voltage Regulator
Check for Samples: LM723, LM723C
FEATURES
DESCRIPTION

The LM723/LM723C is a voltage regulator designed
primarily 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 features extremely low standby
current drain, and provision is made for either linear
or foldback current limiting.
1
2




150 mA Output Current Without External Pass
Transistor
Output Currents in Excess of 10A Possible by
Adding External Transistors
Input Voltage 40V Max
Output Voltage Adjustable from 2V to 37V
Can be Used as Either a Linear or a Switching
Regulator
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 ensured over a 0°C to
+70°C temperature range, instead of −55°C to
+125°C.
Connection Diagram
Note: Pin 5 connected to case.
Figure 1. Top View
CDIP Package or PDIP Package
See Package J or NFF0014A
Figure 2. Top View
TO-100
See Package LME
Figure 3. Top View
See Package NAJ0020A
1
2
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1999–2013, Texas Instruments Incorporated
LM723, LM723C
SNVS765C – JUNE 1999 – REVISED APRIL 2013
www.ti.com
Equivalent Circuit*
*Pin numbers refer to metal can package.
Typical Application
for minimum temperature drift.
Typical Performance
Regulated Output Voltage
5V
Line Regulation (ΔVIN = 3V)
0.5mV
Load Regulation (ΔIL = 50 mA)
1.5mV
Figure 4. Basic Low Voltage Regulator (VOUT = 2 to 7 Volts)
2
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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM723 LM723C
LM723, LM723C
www.ti.com
SNVS765C – JUNE 1999 – REVISED APRIL 2013
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS (1) (2)
Pulse Voltage from V+ to V− (50 ms)
50V
Continuous Voltage from V+ to V−
40V
Input-Output Voltage Differential
40V
Maximum Amplifier Input Voltage
(Either Input)
8.5V
Maximum Amplifier Input Voltage
(Differential)
5V
Current from VZ
25 mA
Current from VREF
15 mA
Internal Power Dissipation
Metal Can (3)
800 mW