R1

240 W

R2

2.4 kW

INPUT

OUTPUT

ADJUST

LM317

0.2 W

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LM317

SLVS044W – SEPTEMBER 1997 – REVISED OCTOBER 2014

LM317 3-Terminal Adjustable Regulator

1 Features

3 Description

The LM317 device is an adjustable three-terminal

1

•

Output Voltage Range Adjustable

positive-voltage regulator capable of supplying more

From 1.25 V to 37 V

than 1.5 A over an output-voltage range of 1.25 V to

•

Output Current Greater Than 1.5 A

37 V. It requires only two external resistors to set the

•

Internal Short-Circuit Current Limiting

output voltage. The device features a typical line

regulation of 0.01% and typical load regulation of

•

Thermal Overload Protection

0.1%. It includes current limiting, thermal overload

•

Output Safe-Area Compensation

protection,

and

safe

operating

area

protection.

Overload protection remains functional even if the

2 Applications

ADJUST terminal is disconnected.

•

ATCA Solutions

Device Information(1)

•

DLP: 3D Biometrics, Hyperspectral Imaging,

PART NUMBER

PACKAGE (PIN)

BODY SIZE (NOM)

Optical Networking, and Spectroscopy

SOT (4)

6.50 mm × 3.50 mm

•

DVR and DVS

TO-220 (3)

10.16 mm × 8.70 mm

•

Desktop PC

LM317

TO-220 (3)

10.16 mm × 8.59 mm

•

Digital Signage and Still Camera

TO-263 (3)

10.18 mm × 8.41 mm

•

ECG Electrocardiogram

(1) For all available packages, see the orderable addendum at

•

EV HEV Charger: Level 1, 2, and 3

the end of the data sheet.

•

Electronic Shelf Label

4 Battery-Charger Circuit

•

Energy Harvesting

•

Ethernet Switch

•

Femto Base Station

•

Fingerprint and Iris Biometrics

•

HVAC: Heating, Ventilating, and Air Conditioning

•

High-Speed Data Acquisition and Generation

•

Hydraulic Valve

•

IP Phone: Wired and Wireless

•

Infusion Pump

•

Intelligent Occupancy Sensing

•

Motor Control: Brushed DC, Brushless DC, Low-

Voltage, Permanent Magnet, and Stepper Motor

•

Point-to-Point Microwave Backhaul

•

Power Bank Solutions

•

Power Line Communication Modem

•

Power Over Ethernet (PoE)

•

Power Quality Meter

•

Power Substation Control

•

Private Branch Exchange (PBX)

•

Programmable Logic Controller

•

RFID Reader

•

Refrigerator

•

Signal or Waveform Generator

•

Software Defined Radio (SDR)

•

Washing Machine: High-End and Low-End

•

X-ray: Baggage Scanner, Medical, and Dental

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.