Integrated Circuits (ICs) > Power Management ICs > Voltage Regulators - Linear

LM317T/NOPB - TI National Semiconductor

LDO Regulator Pos 1.2V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube

Datasheet at TI.com

Technical Details

Case/Package	TO-220
Current Rating	1.5A
Dropout Voltage	2.25V
Height	8.89mm
Lead Free	Lead Free
Length	10.16mm
Min Current Limit	1.5A
Max Input Voltage	40V
Min Input Voltage	4.2V
Max Operating Temperature	125°C
Min Operating Temperature	0°C
Max Output Current	1.5A
Max Output Voltage	37V
Min Output Voltage	1.25V
Max Supply Voltage	40V
Min Supply Voltage	3V
Mount	Through Hole
Number of Outputs	1
Number of Pins	3
Number of Regulators	1
Output Configuration	Positive
Output Current	1.5A
Output Type	Adjustable
Output Voltage	37V
Packaging	Rail/Tube
Polarity	Positive
Power Supply Rejection Ratio (PSRR)	64dB
Quiescent Current	3.5mA
Radiation Hardening	No
Reach SVHC Compliant	No
Reference Voltage	1.25V
RoHS Compliant	Yes
Termination	Through Hole
Tolerance	5%
Weight	0.08113oz
Width	4.7mm

Compliance

RoHS : Compliant

Radiation Hardening : No

Images

TI National Semiconductor LM317T/NOPB | Mouser

Mouser

TI National Semiconductor LM317T/NOPB | Rs

Rs

TI National Semiconductor LM317T/NOPB | Distrelec

Distrelec

TI National Semiconductor LM317T/NOPB | Onlinecomponents.com

Onlinecomponents.com

TI National Semiconductor LM317T/NOPB | Jameco

Jameco

TI National Semiconductor LM317T/NOPB | Farnell

Farnell

TI National Semiconductor LM317T/NOPB | Element14

Element14

Datasheets

Texas Instruments National Semiconductor

Official datasheet

Official datasheet

Official datasheet

Jameco

LM317T/NOPB datasheet (pdf, 1.1 MB)

Distrelec

LM317T/NOPB datasheet (pdf)

Onlinecomponents.com

LM317T/NOPB datasheet (pdf)

Texas Instruments

LM317T/NOPB datasheet (pdf)

Arrow Electronics

LM317T/NOPB datasheet (pdf)

Conrad

LM317T/NOPB datasheet (pdf)

Lifecycle Status Indicator

Volume Production

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Symbol

LM317T/NOPB Symbol - Texas Instruments National Semiconductor

Footprint

LM317T/NOPB Footprint - Texas Instruments National Semiconductor

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Aavid Thermalloy	4426	Volume Production
ON Semiconductor	LM317TG	Volume Production
TI National Semiconductor	LM317AT	End of Life
STMicroelectronics	LM317T	Volume Production
Essentra	IEC-TO-220-18	Not Recommended for New Design
ON Semiconductor	LM317BT	Obsolete
ON Semiconductor / Fairchild	KA317TU	Volume Production
ON Semiconductor	LM317BTG	Volume Production
Texas Instruments	LM317KCS	Volume Production
ON Semiconductor	NCV317BTG	End of Life

See more alternatives See less alternatives

Related Parts

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Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

Buy

Mouser

926-LM317T/NOPB

US: 3,122

$

1.73

1.27

1.10

1.00

0.927

0.828

Texas Instruments

US: 45,218

$

1.541

1.541

1.541

1.186

0.624

0.624

Arrow Electronics

US: 0

$

0.7892

0.7488

Digikey

LM317TNS/NOPB-ND

US: 4,589

$

1.73

1.269

1.0944

1.0944

0.927

0.8497

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Weyland Electronics Group Pte. Ltd.

SG: 8,348

$

0.71

0.71

0.71

0.71

0.71

0.71

Win Source

CN: 7,760

$

0.8611

0.6667

0.6667

Heisener Electronics

CN: 105,720

$

2.2267

2.2267

2.2267

2.2267

2.2267

2.2267

FlyWing Technology

HK: 37

$

1.8903

1.6195

1.6195

1.4507

1.198

1.198

Esaler Electronic

HK: 1

$

1.53

1.515

1.515

1.50

1.485

1.471

Lucentia Tech

US: 5,364

$

5,364.45

5,096.23

5,096.23

4,828.01

1.08

1.08

Easev

HK: 1,149

$

0.5557

0.5557

0.5557

0.5279

0.4834

0.4001

Fmall Co. Limited

HK: 42,050

$

1.2053

1.2053

1.2053

1.1275

1.0627

0.972

RX Electronics Limited

CN: 7,706

$

5.24

5.24

4.375

4.084

4.084

Ampacity Systems

MY: 5,499

$

0.54

0.54

0.54

0.54

0.54

0.54

Aztech

IT: 3,301

$

2.842

2.842

2.842

2.842

2.842

2.842

Corohmni

US: 219

$

8.50

8.50

8.50

8.50

8.50

8.50

LCSC

CN: 34

$

2.3369

1.9497

1.7075

1.4592

1.2988

1.2988

Bettlink

HK: 65,562

$

0.8646

0.786

0.786

0.7211

0.624

0.624

SHENGYU ELECTRONICS

CN: 43,004

$

1.6038

1.5717

1.5717

1.5236

1.4755

1.4113

Tactical IC USA

US: 18,519

$

0.54

0.54

Chipsmall Limited

CN: 9,367

$

1.9776

1.3184

1.3184

0.791

0.6592

0.6592

Suntronic

CN: 7,101

$

4.935

4.935

4.12

3.846

3.846

Robosynatics

US: 5,619

$

4.24

4.24

4.1552

4.0704

4.0704

Lixinc

CN: 3,875

$

1.91

1.713

1.713

1.713

1.713

1.713

Vigor Components

SG: 1,546

$

1.91

1.91

1.91

1.91

1.91

1.91

Semicontronic

US: 680

$

1.1845

1.1845

1.1845

1.1845

1.1845

1.1845

J3

US: 600

$

3.013

3.013

3.013

3.013

3.013

3.013

J3

US: 300

$

8.934

8.934

8.934

8.934

8.934

8.934

Cytech Systems

CN: 45

$

2.784

2.617

2.617

2.4778

2.3386

2.1994

TME

14: 190

$

1.74

1.42

1.27

1.09

1.02

1.02

Origin Data Global Limited

CN: 10,309

$

0.875

0.813

0.781

0.75

Bison Technologies

LM317T-NOPB-107049

CN: 312

$

0.93

0.93

0.93

Bison Technologies

LM317T-NOPB-194147

CN: 210

$

0.93

0.93

0.93

Quest

US: 111

$

1.2845

1.1817

1.0276

0.7707

0.7707

0.7707

Classic Components

US: 27

$

Freelance Electronics

US: 2

$

2.32

2.32

2.32

2.32

2.32

2.32

XingHuan International

CN: 6,567

$

Rebound Electronics

GB: 75

$

Lingto Electronic Ltd.

CN: 26,021

$

2.32

2.204

2.204

2.088

2.0648

2.0416

Abacus Technologies

US: 87

$

Sourcengine

US: 100,000

$

Sourceability

US: 35,009

$

Chip One Stop

JP: 316

$

1.75

1.70

1.70

1.70

1.70

1.70

Newark

US: 0

$

5.08

4.39

3.61

3.13

2.54

2.54

AAA CHIPS

HK: 115

$

1.9848

1.7005

1.7005

1.5233

1.2579

1.2579

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