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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLM317EMP
LM317EMP Image
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See specifications for product details.

LM317EMP - Texas Instruments

Manufacturer Part Number
LM317EMP
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM317EMP
ECAD Model
Parts Description
IC REG LIN POS ADJ 1.5A SOT223-4
Detailed Description
Package
TO-261-4, TO-261AA
Data sheet
LM117/317-N Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 34754

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Quantity

Specifications

LM317EMP Tech Specifications
Texas Instruments - LM317EMP technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM317EMP

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) -  
Voltage - Output (Min/Fixed) 1.25V  
Voltage - Output (Max) 37V  
Voltage - Input (Max) 37V  
Supplier Device Package SOT-223-4  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit  
Package / Case TO-261-4, TO-261AA  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
PSRR 80dB ~ 65dB (120Hz)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature 0°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Quiescent (Iq) 10 mA  
Current - Output 1.5A  
Control Features -  
Base Product Number LM317  

Parts Introduction

Manufacturer Part Number

LM317EMP

Manufacturer

Texas Instruments

Introduction

The LM317EMP is a Linear Low Drop Out (LDO) Regulator, designed for Power Management applications requiring a variable output from a higher fixed input voltage.

Product Features and Performance

Adjustable output voltage from 1.25V to 37V

Can handle input voltage up to 37V

Maximum output current of 1.5A

High PSRR: 80dB to 65dB at 120Hz

Over Current, Over Temperature, and Short Circuit Protection

Operational Temperature Range from 0°C to 125°C

Product Advantages

Flexible output voltage range suitable for a variety of applications

High output current capacity

Robust protection features ensure long-term reliability

Good Power Supply Rejection Ratio minimizes noise in power supply

Key Technical Parameters

Input Voltage (Max): 37V

Output Voltage (Min): 1.25V

Output Voltage (Max): 37V

Current Output: 1.5A

Quiescent Current (Iq): 10 mA

PSRR: 80dB ~ 65dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Surface Mount TO-261-4, TO-261AA Package

Compatible with a wide range of circuit boards designed for SOT-223-4 packages

Application Areas

Power supply regulation in consumer electronics

Embedded systems

Automotive electronics

Telecommunications equipment

Product Lifecycle

Status: Last Time Buy

Potential discontinuation in the near future with considerations for replacements or upgrade options

Several Key Reasons to Choose This Product

High reliability and performance stability under variable environmental conditions

Wide adjustable output voltage range, making it versatile for different applications

Strong protection mechanisms ensure minimal risk of damage due to overloading, overheating, or short-circuiting

High output current suitable for demanding applications

Extensive applicability in different industry sectors due to high compatibility and operational temperature range

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM317EMP

Product Attribute LM317EMP LM317D2TR4G LM317BTG LM317G
Part Number LM317EMP LM317D2TR4G LM317BTG LM317G
Manufacturer Texas Instruments onsemi onsemi UMW
Base Product Number LM317 LM317 LM317 -
Voltage Dropout (Max) - - - -
Output Configuration Positive Positive Positive Positive
Supplier Device Package SOT-223-4 D2PAK-3 TO-220 SOT-223
Current - Quiescent (Iq) 10 mA 10 mA 10 mA 12 mA
Number of Regulators 1 1 1 1
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tape & Reel (TR)
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Output Type Adjustable Adjustable Adjustable Adjustable
Voltage - Output (Min/Fixed) 1.25V 1.2V 1.2V 1.2V
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Package / Case TO-261-4, TO-261AA TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-220-3 TO-261-4, TO-261AA
Voltage - Output (Max) 37V 37V 37V 37V
Operating Temperature 0°C ~ 125°C 0°C ~ 125°C -40°C ~ 125°C 0°C ~ 125°C (TJ)
Control Features - - - -
Series - - - -
Current - Output 1.5A 1.5A 1.5A 1.5A
PSRR 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz) 75dB ~ 60dB (120Hz)
Voltage - Input (Max) 37V 40V 40V 40V

LM317EMP Datasheet PDF

Download LM317EMP pdf datasheets and Texas Instruments documentation for LM317EMP - Texas Instruments.

PCN Packaging
Pin One Dot 07/Jan/2019.pdf
PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
LM117/317-N Datasheet.pdf
PCN Design/Specification
Wire Base Metal 05/Oct/2016.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM317EMP Image

LM317EMP

Texas Instruments
32D-LM317EMP

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