LM723 150 mA Adjustable Output Linear Regulator / LDO | TI.com

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150 mA Adjustable Output Linear Regulator / LDO

150 mA Adjustable Output Linear Regulator / LDO - LM723

Recommended alternative parts

  • LM117  -  Supports Higher Output Currents


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.

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.


  • 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

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Part number Order Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating PSRR @ 100 KHz (dB) Accuracy (%) Dropout voltage (Vdo) (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
LM723 Order now Adjustable output     0.15     40     9.5     37     2     TO-100 | 10         1     -55 to 150     66     86     6.98 | 1ku     Catalog       3     3000     1.7     10TO-100: 80 mm2: 8.96 x 8.96 (TO-100 | 10)    
LM317L-N Order now Adjustable output     0.1     40     4.2     38     1.2     DSBGA | 6
SOIC | 8
TO-92 | 3    
    1     -40 to 125     160     38     0.19 | 1ku     Catalog     63     3     1800     0.05     See datasheet (DSBGA)
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
3TO-92: 19 mm2: 3.68 x 5.2 (TO-92 | 3)