L4931CD50-TR - STMicroelectronics

Manufacturer Part Number

L4931CD50-TR

Manufacturer

stmicroelectronics

Introduction

The L4931CD50-TR is a low drop out (LDO) linear voltage regulator ideal for a variety of applications, ensuring stable and precise voltage regulation.

Product Features and Performance

Output configuration: Positive

Fixed output type

Single regulator

Handles input voltage up to 20V

Provides a fixed output of 5V

Delivers up to 250mA of current

Voltage dropout is 0.8V at 250mA load

Very low quiescent current of 1 mA

Excellent power supply rejection ratio (PSRR) ranging from 70dB to 55dB across frequencies from 120Hz to 10kHz

Product Advantages

High efficiency due to low dropout voltage

Stable output with low quiescent current, enhancing battery life in portable devices

Robust PSRR, ensuring output stability against variations in input voltage

Key Technical Parameters

Input Voltage (Max): 20V

Output Voltage (Min/Fixed): 5V

Current - Output: 250mA

Voltage Dropout (Max): 0.8V

Current - Quiescent (Iq): 1 mA

PSRR: 70dB ~ 55dB (120Hz ~ 10kHz)

Quality and Safety Features

Over-current protection

Over-temperature protection

Operating temperature range from -40°C to +125°C

Compatibility

Packaged in a standard 8-SOIC casing, compatible with surface mount technologies

Application Areas

Ideal for battery-powered devices, portable electronics, and applications requiring stable voltage supply from a higher voltage input

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades are readily available

Several Key Reasons to Choose This Product

Low dropout voltage enhances overall efficiency

Output stability supported by strong PSRR capabilities

Built-in safety features protect against potential damage from over-current and over-temperature scenarios

Low quiescent current prolongs battery life in portable setups

Rugged operating temperature range suitable for harsh environments

Compatible with standard surface mount processes for broad applicability in designs