LM317L

SOIC (D)

8

19 mm² 4.9 x 3.9

SOIC (D)

8

19 mm² 3.91 x 4.9

SOT-89 (PK)

3

18 mm² 4.5 x 4.095

TO-92 (LP)

3

19 mm² 5.2 x 3.68

TSSOP (PW)

8

19 mm² 3 x 6.4

Output Voltage Range Adjustable 1.25 V to 32 V
When Used With External Resistor Divider
Output Current Capability of 100 mA
Input Regulation Typically 0.01% Per Input-Voltage
Change
Output Regulation Typically 0.5%
Ripple Rejection Typically 80 dB
For Higher Output Current Requirements,
See LM317M (500 mA) and LM317 (1.5 A)

APPLICATIONS

Electronic Points of Sale
Medical, Health, and Fitness Applications
Printers
Appliances and White Goods
TV Set-Top Boxes

All other trademarks are the property of their respective owners

Output Voltage Range Adjustable 1.25 V to 32 V
When Used With External Resistor Divider
Output Current Capability of 100 mA
Input Regulation Typically 0.01% Per Input-Voltage
Change
Output Regulation Typically 0.5%
Ripple Rejection Typically 80 dB
For Higher Output Current Requirements,
See LM317M (500 mA) and LM317 (1.5 A)

APPLICATIONS

Electronic Points of Sale
Medical, Health, and Fitness Applications
Printers
Appliances and White Goods
TV Set-Top Boxes

All other trademarks are the property of their respective owners

The LM317L device is an adjustable, 3-terminal, positive-voltage regulator capable of supplying 100 mA over an output-voltage range of 1.25 V to 32 V. It is exceptionally easy to use and requires only two external resistors to set the output voltage.

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Technical documentation

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	Type	Title	Date
*	Data sheet	LM317L 3-Terminal Adjustable Regulator datasheet (Rev. E)	22 Oct 2014
	Application note	LDO Noise Demystified (Rev. B)	18 Aug 2020
	Application note	A Topical Index of TI LDO Application Notes (Rev. F)	27 Jun 2019
	Application note	LDO PSRR Measurement Simplified (Rev. A)	09 Aug 2017
	Application note	AB-12 Wide Adjustable Range PNP Voltage Regulator (Rev. B)	06 May 2013
	Application note	AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)	06 May 2013
	Application note	AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)	06 May 2013
	Application note	AN-42 IC Provides On-Card Regulation for Logic Circuits (Rev. B)	06 May 2013
	Application note	AN-178 Applications for an Adjustable IC Power Regulator (Rev. B)	05 May 2013
	Application note	AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)	05 May 2013
	Application note	Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)	05 May 2013
	Application note	AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)	23 Apr 2013
	Application note	High-Efficiency Reg has Low Drop-Out Voltage (Rev. B)	23 Apr 2013
	Application note	Packaging Limits Range of Linear Regulators	08 May 2010
	Application note	Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)	04 Jun 2008
	Application note	A New Production Technique for Trimming Voltage Regulators	03 Oct 2002
	Application note	Adjustable 3-Terminal Regulator for Low-Cost Battery Charging Systems	03 Oct 2002
	Application note	High Stability Regulators	03 Oct 2002
	Application note	Understanding the Terms and Definitions of LDO Voltage Regulators	21 Oct 1999

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

LM317L Unencrypted PSpice Transient Model

SNVMAW3.ZIP (2 KB) - PSpice Model

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Simulation model

LM317L PSpice Transient Model

SNVMAW4.ZIP (65 KB) - PSpice Model

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