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LM317: Linear Voltage Regulator, 1.5 A, High PSRR, Adjustable, Positive

Datasheet: Voltage Regulator - Adjustable Output, Positive 1.5 A
Rev. 16 (179kB)
Product Overview
»View Reliability Data
»View Material Composition
» Product Change Notification
The LM317 Low Dropout (LDO) Linear Voltage Regulator is an adjustable 3-terminal positive LDO voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow-out proof.

The LM317 serves a wide variety of applications including local, on card regulation. This device can also be used to make a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317 can be used as a precision current regulator.
Features
 
  • Output Current in Excess of 1.5 A
  • Output Adjustable between 1.2 V and 37 V
  • Internal Thermal Overload Protection
  • Internal Short Circuit Current Limiting Constant with Temperature
  • Output Transistor Safe-Area Compensation
  • Floating Operation for High Voltage Applications
  • Eliminates Stocking many Fixed Voltages Standard Application
  • Automotive Device for Wide Temperature Range - NCV317
  • Pb-Free Packages are Available
Technical Documentation & Design Resources
Application Notes (1) Package Drawings (2)
Data Sheets (1) FAQ (2)
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
LM317BD2TG Active
Pb-free
Halide free
LM317, TJ = -40° to +125°C D2PAK-3 936-03 1 260 Tube 50 $0.3433
LM317BD2TR4G Active
Pb-free
Halide free
LM317, TJ = -40° to +125°C D2PAK-3 936-03 1 260 Tape and Reel 800 $0.2992
LM317BTG Active
Pb-free
Halide free
LM317, TJ = -40° to +125°C TO-220-3 221AB NA Tube 50 $0.2236
LM317D2TG Active
Pb-free
Halide free
LM317, TJ = 0° to +125°C D2PAK-3 936-03 1 260 Tube 50 $0.2692
LM317D2TR4G Active
Pb-free
Halide free
LM317, TJ = 0° to +125°C D2PAK-3 936-03 1 260 Tape and Reel 800 $0.324
LM317TG Active
Pb-free
Halide free
LM317, TJ = 0° to +125°C TO-220-3 221AB NA Tube 50 $0.2299
Market Leadtime (weeks) : 13 to 16
FutureElectronics   (2020-08-19) : >1K
Avnet   (2020-08-19) : >1K
Market Leadtime (weeks) : 13 to 16
PandS   (2020-09-14) : >10K
Avnet   (2020-08-19) : >1K
FutureElectronics   (2020-08-19) : >50K
Market Leadtime (weeks) : 17 to 20
FutureElectronics   (2020-08-19) : >10K
Avnet   (2020-08-19) : >1K
Market Leadtime (weeks) : 13 to 16
Avnet   (2020-08-19) : >10K
FutureElectronics   (2020-08-19) : >10K
Market Leadtime (weeks) : 13 to 16
PandS   (2020-09-14) : >10K
Avnet   (2020-08-19) : >10K
FutureElectronics   (2020-08-19) : >10K
Market Leadtime (weeks) : 17 to 20
PandS   (2020-09-14) : <100
Avnet   (2020-08-19) : >50K
FutureElectronics   (2020-08-19) : >50K

Product
Description
Pricing ($/Unit)
Compliance
Status
Output
Polarity
VO (V)
IO Typ (A)
VI Min (V)
VI Max (V)
VDO Typ (V)
Iq Typ (mA)
PSRR (dB)
Noise (µVrms)
Enable
PowerGood
Application
Package Type
LM317BD2TG  
 $0.3433 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.8
40
2.25
80
No
No
Industrial
D2PAK-3
LM317BD2TR4G  
 $0.2992 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.8
40
2.25
80
No
No
Industrial
D2PAK-3
LM317BTG  
 $0.2236 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.8
40
2.25
80
No
No
Industrial
TO-220-3
LM317D2TG  
 $0.2692 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.8
40
2.25
80
No
No
Industrial
D2PAK-3
LM317D2TR4G  
 $0.324 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.8
40
2.25
80
No
No
Industrial
D2PAK-3
LM317TG  
 $0.2299 
Pb
H
 Active   
Single
Positive
Adj
1.5
2.9
40
2.25
80
No
No
Industrial
TO-220-3
Case Outlines
221AB    936-03   
Previously Viewed Products
Clear List

New Products

NCV8730  150 mA LDO Regulator

  • Low quiescent current of 1 µA typical, and shutdown current of 100 nA typical
  • Wide operating input voltage range of 2.7 to 38 V
  • Low dropout of 290 mV typical @ 150 mA, 3.3 V

NCV8187  1.2 A LDO Regulator

  • Low Iq of 30 µA typical over full temperature range
  • High PSRR of 85 dB at 1 kHz for power stability
  • Low noise of 9 µV(RMS)

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