L4931CDT50 - STMicroelectronics

Manufacturer Part Number

L4931CDT50

Manufacturer

stmicroelectronics

Introduction

The L4931CDT50 is a low drop out (LDO) linear voltage regulator designed for power management, providing a steady 5V output from an input up to 20V.

Product Features and Performance

Fixed 5V output voltage

Input voltage up to 20V

Low dropout voltage of 0.8V at 250mA load

Output current of 250mA

Quiescent current of 1 mA

Supply current maximum of 6 mA

Power Supply Rejection Ratio (PSRR): 70dB to 55dB within 120Hz to 10kHz frequency range

Over Current and Over Temperature protection

Product Advantages

Efficient low power consumption

High stability and reliability under varying load and input conditions

Compact DPAK package suitable for space-sensitive applications

Key Technical Parameters

Voltage - Input (Max): 20V

Voltage - Output (Min/Fixed): 5V

Current - Output: 250mA

Voltage Dropout (Max): 0.8V @ 250mA

Current - Quiescent (Iq): 1 mA

Current - Supply (Max): 6 mA

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

Quality and Safety Features

Protected against overcurrent and overtemperature conditions

Compatibility

Compatible with surface mount technology for easy PCB mounting

Application Areas

Suitable for electronic devices requiring stable low voltage supply

Product Lifecycle

Obsolete status with recommended replacements or upgrades not specified

Several Key Reasons to Choose This Product

High reliability and performance under a broad range of operating conditions

Low dropout voltage enhances efficiency

Robust thermal and current protection mechanisms

Compact and easy-to-integrate surface mount package

Ideal for power-sensitive applications due to low quiescent current and high PSRR