LM2940SX-5.0 - Texas Instruments

Manufacturer Part Number

LM2940SX-5.0

Manufacturer

Texas Instruments

Introduction

The LM2940SX-5.0 is a low drop out (LDO) voltage regulator from Texas Instruments, suitable for applications requiring a fixed output voltage of 5V.

Product Features and Performance

Low drop out voltage of 1V @ 1A

Output voltage of 5V

Maximum input voltage of 26V

Output current up to 1A

Quiescent current of 10 mA

Power supply rejection ratio (PSRR) of 64dB at 120Hz

Operates over a temperature range of -40°C to 125°C

Product Advantages

High efficiency with low dropout voltage

Stable output under varying load and input conditions

Robust thermal performance and reliability

Key Technical Parameters

Voltage - Input (Max): 26V

Voltage - Output (Min/Fixed): 5V

Voltage Dropout (Max): 1V @ 1A

Current - Output: 1A

Current - Quiescent: 10 mA

Power supply rejection ratio (PSRR): 64dB at 120Hz

Quality and Safety Features

Protection against over-current, over-temperature, reverse polarity, and short circuit

Compatibility

Compatible with surface mount technology; suitable for mounting in TO-263-4, D2PAK (3 Leads + Tab), TO-263AA packages

Application Areas

Ideal for consumer electronics, automotive industries, and other industrial applications requiring a stable 5V supply

Product Lifecycle

Status: Last Time Buy

No specified replacements or upgrades information available

Several Key Reasons to Choose This Product

Guaranteed 5V output with low dropout voltage maximizes efficiency

Built-in protection features enhance the product's safety and durability during operation

Supports a wide range of input voltage up to 26V providing flexibility in usage

Effective thermal management ensuring reliability from -40°C to 125°C

High PSRR of 64dB maintains stable output despite fluctuations in the input voltage