LM317: 1.5 A, Adjustable Output, Positive Voltage Regulator

Overview
Specifications
Datasheet: Three-Terminal Adjustable Output Positive Voltage Regulator
Rev. 10 (144.0kB)
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Product Description
The LM317 is an adjustable 3-terminal positive 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 - Available in Surface Mount D2PAK, and Standard 3-Lead Transistor Package
  • Eliminates Stocking many Fixed Voltages Standard Application
  • Automotive Device for Wide Temperature Range - NCV317
  • Pb-Free Packages are Available
Technical Information
Application Notes (1) Package Drawings (2)
Data Sheets (1)  
Availability and Samples
Product
Status
Pb-free
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Pins
Case Outline
Type
Qty.
LM317BD2TG
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Rail 50 $0.4667
Sample
Inventory
LM317BD2TR4G
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Tape and Reel 800 $0.4667
Sample
Inventory
LM317BTG
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance TO-220, SINGLE GAUGE 3 221AB Rail 50 $0.36
Sample
Inventory
LM317D2TG
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Rail 50 $0.44
Sample
Inventory
LM317D2TR4G
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Tape and Reel 800 $0.44
Sample
Inventory
LM317TG
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance TO-220, SINGLE GAUGE 3 221AB Rail 50 $0.3333
Sample
Inventory
LM317BD2T
Last Shipments 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Rail 50  
Rochester
Contact Sales Office
LM317BD2TR4
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Tape and Reel 800 $0.4667
LM317BT
Last Shipments 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance TO-220, SINGLE GAUGE 3 221AB Rail 50  
Rochester
Contact Sales Office
LM317D2T
Last Shipments 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Rail 50  
Rochester
Contact Sales Office
LM317D2TR4
Active 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance 3 LEAD D2PAK 3 936-03 1 Tape and Reel 800 $0.44
Inventory
LM317T
Last Shipments 1.5 A, Adjustable Output 1.2 to 37 V, Voltage Regulator with ±4% Tolerance TO-220, SINGLE GAUGE 3 221AB Rail 50  
Rochester
Contact Sales Office
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Arrow  (2010-02-08) : In Stock
Avnet  (2010-02-08) : >10K
Digi-Key  (2010-02-08) : <1K
Future Electronics  (2010-02-08) : In Stock
ON Semiconductor  (2010-02-06) : 1750
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Arrow  (2010-02-08) : In Stock
Avnet  (2010-02-08) : >50K
Digi-Key  (2010-02-08) : >1K
Future Electronics  (2010-02-08) : In Stock
P&S  (2010-02-08) : >10K
Polarity : Positive
Package : TO-220, SINGLE GAUGE
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Avnet  (2010-02-08) : >10K
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Avnet  (2010-02-08) : >10K
Future Electronics  (2010-02-08) : In Stock
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Arrow  (2010-02-08) : In Stock
Avnet  (2010-02-08) : >10K
Digi-Key  (2010-02-08) : >1K
Future Electronics  (2010-02-08) : In Stock
ON Semiconductor  (2010-02-06) : 3200
P&S  (2010-02-08) : >1K
Polarity : Positive
Package : TO-220, SINGLE GAUGE
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Avnet  (2010-02-08) : >10K
P&S  (2010-02-08) : >1K
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
ON Semiconductor  (2010-02-06) : 3300
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Polarity : Positive
Package : TO-220, SINGLE GAUGE
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Polarity : Positive
Package : 3 LEAD D2PAK
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
P&S  (2010-02-08) : In Stock
Polarity : Positive
Package : TO-220, SINGLE GAUGE
VI Max (V) : 40
VDO Typ (V) : 2.25
IO Typ (A) : 1.5
VO (V) : Adjustable
Output : Single
Market Leadtime (weeks) : 12+
Digi-Key  (2010-02-08) : In Stock
ON Semiconductor  (2010-02-06) : 1550
Selected Electrical Specifications

For full electrical specifications, see the datasheet.

Symbol Boundary Value Unit
VO typ Adjustable
V
IO typ 1.5
A
VI max 40
V
VDO typ 2.25
V
Output Single
Polarity Positive
For complete packaging information, see the datasheet
»View Material Composition
Case Outlines
221AB    936-03   
For complete product information, see the datasheet
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