3/4 Pin 1.5A Adjustable Positive Voltage Regulator - LM317

LM317 (ACTIVE)

3/4 Pin 1.5A Adjustable Positive Voltage Regulator

Recommended alternative parts

  • UA7805  -  UA780x offers only fixed voltage options and does not have the same specification as the LM317.
  • TLV1117  -  Single output LDO, 800mA internal current limit thermal overload protection

Description

The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and typical load regulation of 0.1%. It includes current limiting, thermal overload protection, and safe operating area protection. Overload protection remains functional even if the ADJUST terminal is disconnected.

Features

  • Output Voltage Range Adjustable
    From 1.25 V to 37 V
  • Output Current Greater Than 1.5 A
  • Internal Short-Circuit Current Limiting
  • Thermal Overload Protection
  • Output Safe-Area Compensation

View more

Parametrics Compare all products in Single Channel LDO

 
Iout (Max) (A)
Output Options
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iq (Typ) (mA)
Vdo (Typ) (mV)
Accuracy (%)
Output Capacitor Type
Additional Features
Rating
Operating Temperature Range (C)
Pin/Package
LM317
1.5    
Adjustable Output
Programmable Output    
3    
40    
1.25    
37    
0.05    
2000    
4    
Non-Ceramic    
Overcurrent Protection
Thermal Shutdown    
Catalog    
0 to 125    
2PFM
3DDPAK/TO-263
3TO-220
4SOT-223    
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WEBENCH® Designer LM317

  Min   Max Range
Vin  V 4.2 to 40.0V
Vout  V 1.3 to 37.0V
Iout  A ≤ 1.5A
Ambient Temp  °C -40 to 125°C


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