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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLM2931D-R
LM2931D-R Image
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See specifications for product details.

LM2931D-R - STMicroelectronics

Manufacturer Part Number
LM2931D-R
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LM2931D-R
ECAD Model
Parts Description
IC REG LIN POS ADJ 100MA 8SOIC
Detailed Description
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
LM2931 Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 6390

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Specifications

LM2931D-R Tech Specifications
STMicroelectronics - LM2931D-R technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LM2931D-R

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.6V @ 100mA  
Voltage - Output (Min/Fixed) 2.5V  
Voltage - Output (Max) 25.4V  
Voltage - Input (Max) 26V  
Supplier Device Package 8-SOIC  
Series -  
Protection Features Current Limit, Thermal Shutdown  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
PSRR 80dB (120Hz)  
Product Attribute Attribute Value  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 30 mA  
Current - Quiescent (Iq) 1 mA  
Current - Output 100mA  
Control Features -  
Base Product Number LM2931  

Parts Introduction

Manufacturer Part Number

LM2931D-R

Manufacturer

STMicroelectronics

Introduction

The LM2931D-R is a low dropout linear voltage regulator that provides a regulated output voltage from an unregulated input voltage.

Product Features and Performance

Adjustable output voltage from 2.5V to 25.4V

Output current up to 100mA

Wide input voltage range up to 26V

Low dropout voltage of 0.6V at 100mA

Low quiescent current of 1mA

High power supply rejection ratio (PSRR) of 80dB at 120Hz

Current limiting and thermal shutdown protection

Product Advantages

Adjustable output voltage for flexibility

High output current capability

Wide input voltage range

Low dropout voltage for efficient operation

Low quiescent current for power-sensitive applications

Protection features for robust and reliable performance

Key Technical Parameters

Output Voltage Range: 2.5V to 25.4V

Output Current: 100mA

Input Voltage Range: Up to 26V

Dropout Voltage: 0.6V at 100mA

Quiescent Current: 1mA

PSRR: 80dB at 120Hz

Protection Features: Current Limit, Thermal Shutdown

Quality and Safety Features

RoHS3 Compliant

8-SOIC package for surface mount assembly

Compatibility

Suitable for a wide range of electronic applications requiring a regulated voltage supply

Application Areas

Portable electronics

Industrial equipment

Automotive systems

Instrumentation and control systems

Product Lifecycle

This product is an active and widely used linear voltage regulator from STMicroelectronics.

Replacements and upgrades may be available as technology evolves.

Key Reasons to Choose This Product

Adjustable output voltage for versatile applications

High output current and wide input voltage range

Low dropout voltage for efficient operation

Low quiescent current for power-sensitive designs

Robust protection features for reliable performance

RoHS compliance for environmental sustainability

Widely available and well-supported by the manufacturer

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LM2931D-R

Product Attribute LM2931D-R LM2931AD-5.0R2G LM2931AD50R LM2936DT-3.3
Part Number LM2931D-R LM2931AD-5.0R2G LM2931AD50R LM2936DT-3.3
Manufacturer STMicroelectronics onsemi STMicroelectronics Texas Instruments
Voltage - Input (Max) 26V 26V 26V 40V
Voltage - Output (Max) 25.4V - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tube
Current - Output 100mA 100mA 100mA 50mA
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Supply (Max) 30 mA 30 mA 30 mA 2.5 mA
Number of Regulators 1 1 1 1
Output Type Adjustable Fixed Fixed Fixed
PSRR 80dB (120Hz) 90dB (120Hz) 75dB (120Hz) 60dB (120Hz)
Voltage - Output (Min/Fixed) 2.5V 5V 5V 3.3V
Series - - - -
Current - Quiescent (Iq) 1 mA 1 mA 1 mA 15 µA
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) TO-252-3, DPak (2 Leads + Tab), SC-63
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Voltage Dropout (Max) 0.6V @ 100mA 0.6V @ 100mA 0.6V @ 100mA 0.4V @ 50mA
Protection Features Current Limit, Thermal Shutdown Over Current, Over Temperature Current Limit, Thermal Shutdown Over Temperature, Reverse Polarity, Short Circuit
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC TO-252-3
Base Product Number LM2931 LM2931 LM2931 LM2936
Output Configuration Positive Positive Positive Positive
Control Features - - - -

LM2931D-R Datasheet PDF

Download LM2931D-R pdf datasheets and STMicroelectronics documentation for LM2931D-R - STMicroelectronics.

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
LM2931 Datasheet.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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LM2931D-R Image

LM2931D-R

STMicroelectronics
32D-LM2931D-R

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