Datasheet Texas Instruments LM317AEMPX

Manufacturer	Texas Instruments
Series	LM317A
Part Number	LM317AEMPX

1% Accurate, 1.5A Adjustable Linear Regulator with Short Circuit Protection 4-SOT-223

Datasheets

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PDF, 4.8 Mb, File published: Oct 30, 2015

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Status

Lifecycle Status	NRND (Not recommended for new designs)
Manufacture's Sample Availability	No

Packaging

Pin	4
Package Type	DCY
Industry STD Term	SOT-223
JEDEC Code	R-PDSO-G
Package QTY	2000
Carrier	LARGE T&R
Device Marking	N07A
Width (mm)	3.5
Length (mm)	6.5
Thickness (mm)	1.6
Pitch (mm)	2.3
Max Height (mm)	1.8
Mechanical Data	Download

Replacements

Replacement	LM317AEMPX/NOPB
Replacement Code	S

Parametrics

Accuracy	5 %
Features	N/A
Iout(Max)	1.5 A
Iq(Typ)	0.05 mA
Noise	38 uVrms
Operating Temperature Range	-40 to 125 C
Output Capacitor Type	Non-Ceramic
Output Options	Adjustable Output
PSRR @ 100KHz	40 dB
Package Group	SOT-223
Package Size: mm2:W x L	4SOT-223: 46 mm2: 7 x 6.5(SOT-223) PKG
Rating	Catalog
Regulated Outputs	1
Thermal Resistance ОёJA	24 В°C/W
Vdo(Typ)	2250 mV
Vin(Max)	40 V
Vin(Min)	4.2 V
Vout(Max)	37 V
Vout(Min)	1.2 V

Eco Plan

RoHS	See ti.com

Design Kits & Evaluation Modules

Evaluation Modules & Boards: LM317A-337N-EVM
3-Terminal Adjustable Regulators Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
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Application Notes

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Adjustable 3-Terminal Regulator for Low-Cost Battery Charging Systems
PDF, 104 Kb, File published: Oct 3, 2002
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AN-182 Improving Power Supply Reliability with IC Power Regulators (Rev. B)
PDF, 82 Kb, Revision: B, File published: May 5, 2013
This application report discusses improving power supply reliability with IC power regulators.
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AN-181 3-Terminal Regulator is Adjustable (Rev. B)
PDF, 314 Kb, Revision: B, File published: May 5, 2013
Until now all of the 3-terminal power IC voltage regulators have a fixed output voltage. In spite of this limitation their ease of use low cost and full on-chip overload protection have generated wide acceptance. Now with the introduction of the LM117 it is possible to use a single regulator for any output voltage from 1.2 V to 37 V at 1.5A. Selecting close-tolerance outp
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AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B)
PDF, 684 Kb, Revision: B, File published: May 6, 2013
The purpose of this application report is to aid the user in maximizing the power handling capability of Texas Instruments power packages by using the SOT-223 as an example.
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Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A)
PDF, 284 Kb, Revision: A, File published: May 5, 2013
When working with voltage regulator circuits the designer is often confronted with the need to calculatethe tolerance of the regulated output voltage. For fixed voltage regulators this problem is easily managedbecause the required information is directly supplied on the semiconductor manufacturer's data sheet.
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AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)
PDF, 814 Kb, Revision: A, File published: May 6, 2013
The LM340-XX are three terminal 1.0A positive voltage regulators with preset output voltages of 5.0V or15V. The LM340 regulators are complete 3-terminal regulators requiring no external components fornormal operation. However by adding a few parts one may improve the transient response provide for avariable output voltage or increase the output current. Included on the chip are all of t
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AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)
PDF, 300 Kb, Revision: B, File published: May 6, 2013
This application note discusses the operation and compensation of linear regulators.
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Understanding the Terms and Definitions of LDO Voltage Regulators
PDF, 197 Kb, File published: Oct 21, 1999
This report provides an understanding of the terms and definitions of low dropout (LDO) voltage regulators and describes fundamental concepts including dropout voltage quiescent current standby current efficiency transient response line/load regulation power supply rejection output noise voltage accuracy and power dissipation. Each section includes an example to increase the understandab
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Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)
PDF, 509 Kb, Revision: A, File published: Jun 4, 2008
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Packaging Limits Range of Linear Regulators
PDF, 75 Kb, File published: May 8, 2010
The power limitations of the physical packaging for a linear regulator device can limit the total output current or the input-to-output voltage differential. This inherent limitation is not always apparent from the product data sheet and must be evaluated during the design phase. This application note shows how the package can limit the operating envelope of a linear regulator.
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A Topical Index of TI LDO Application Notes (Rev. F)
PDF, 82 Kb, Revision: F, File published: Jun 27, 2019

Model Line

Series: LM317A (12)

LM317AEMP LM317AEMP/NOPB LM317AEMPX LM317AEMPX/NOPB LM317AH LM317AH/NOPB LM317AMDT LM317AMDT/NOPB LM317AMDTX LM317AMDTX/NOPB LM317AT LM317AT/NOPB

Manufacturer's Classification

Semiconductors > Analog and Mixed-Signal > Power Management > Linear Regulator (LDO) > Single Channel LDO