LM2931ADT50R
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STMicroelectronics LM2931ADT50R

Manufacturer No:
LM2931ADT50R
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 5V 100MA DPAK
Delivery:
Payment:
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Product Introduction

Overview

The LM2931ADT50R is a very low drop voltage regulator produced by STMicroelectronics. It is designed for low noise, low power applications and is particularly suitable for battery-powered systems. This regulator features a very low dropout voltage and a low quiescent current, making it ideal for extending the useful life of batteries in various devices. The LM2931ADT50R is available in a DPAK package and includes a shutdown logic control function in the SO-8 configuration, allowing for part of the board to be put in standby, thereby reducing total power consumption.

Key Specifications

Parameter Value Unit
Maximum Operating Input Voltage 26 V
Output Voltage (nominal) 5 V
Output Voltage Tolerance (typical) ±5% %
Output Current (nominal) 0.1 A (100 mA) A
Dropout Voltage (typical at 10 mA load) 90 mV mV
Quiescent Current (typical at 100 mA load) 2.5 mA mA
Operating Temperature Range -40 to 125 °C °C
Load Dump Protection Up to 60 V V
Reverse Transient Protection Up to -50 V V
Package DPAK
RoHS Compliance Ecopack2

Key Features

  • Very Low Dropout Voltage: 90 mV typical at 10 mA load.
  • Low Quiescent Current: 2.5 mA typical at 100 mA load.
  • Fixed Output Voltage: Available in 3.3 V and 5 V versions.
  • Internal Current and Thermal Limit: Protects the device from overcurrent and overheating.
  • Load Dump Protection: Up to 60 V and reverse transient protection up to -50 V.
  • Shutdown Logic Control: Available in the SO-8 package, allowing for part of the board to be put in standby.
  • AEC-Q100 Qualified: For the DPAK package, ensuring reliability in automotive applications.
  • Wide Operating Temperature Range: From -40 to 125 °C.

Applications

The LM2931ADT50R is ideal for various applications, including:

  • Automotive Systems: Due to its AEC-Q100 qualification and robust protection features against load dumps and reverse battery connections.
  • Battery-Powered Devices: Extends battery life with its low dropout voltage and quiescent current.
  • Industrial and Consumer Equipment: Suitable for low noise, low power applications where reliability and efficiency are crucial.
  • Local Voltage Regulation: Can be used to regulate voltage locally on a board, reducing overall power consumption.

Q & A

  1. What is the typical dropout voltage of the LM2931ADT50R?

    The typical dropout voltage is 90 mV at a 10 mA load.

  2. What is the maximum output current of the LM2931ADT50R?

    The maximum output current is 100 mA.

  3. What are the available output voltage versions for the LM2931?

    The LM2931 is available in fixed 3.3 V and 5 V output voltage versions.

  4. What is the operating temperature range of the LM2931ADT50R?

    The operating temperature range is from -40 to 125 °C.

  5. Does the LM2931ADT50R have load dump protection?
  6. Is the LM2931ADT50R AEC-Q100 qualified?
  7. What package types are available for the LM2931?

    The LM2931 is available in TO-92, DPAK, and SO-8 packages.

  8. Does the LM2931ADT50R have a shutdown logic control function?
  9. What is the quiescent current of the LM2931ADT50R?

    The typical quiescent current is 2.5 mA at a 100 mA load.

  10. Is the LM2931ADT50R RoHS compliant?

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):26V
Voltage - Output (Min/Fixed):5V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.6V @ 100mA
Current - Output:100mA
Current - Quiescent (Iq):1 mA
Current - Supply (Max):30 mA
PSRR:75dB (120Hz)
Control Features:- 
Protection Features:Current Limit, Thermal Shutdown
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:DPAK
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Similar Products

Part Number LM2931ADT50R LM2931ADT50RY LM2931AD50R
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Obsolete Active
Output Configuration Positive Positive Positive
Output Type Fixed Fixed Fixed
Number of Regulators 1 1 1
Voltage - Input (Max) 26V 26V 26V
Voltage - Output (Min/Fixed) 5V 5V 5V
Voltage - Output (Max) - - -
Voltage Dropout (Max) 0.6V @ 100mA 0.6V @ 100mA 0.6V @ 100mA
Current - Output 100mA 100mA 100mA
Current - Quiescent (Iq) 1 mA 1 mA 1 mA
Current - Supply (Max) 30 mA 30 mA 30 mA
PSRR 75dB (120Hz) 75dB (120Hz) 75dB (120Hz)
Control Features - - -
Protection Features Current Limit, Thermal Shutdown Current Limit, Thermal Shutdown Current Limit, Thermal Shutdown
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package DPAK DPAK 8-SOIC

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