LDLN025M18R - STMicroelectronics

Manufacturer Part Number

LDLN025M18R

Manufacturer

stmicroelectronics

Introduction

The LDLN025M18R is a low dropout linear voltage regulator designed for power management, offering a stable and reliable power supply in various applications.

Product Features and Performance

Fixed output voltage of 1.8V

Maximum input voltage of 5.5V

Low dropout voltage of 0.2V at 250mA load

Output current up to 250mA

Quiescent current of 25 µA

Maximum supply current of 425 µA

PSRR of 80dB to 60dB between 100Hz and 100KHz

Integrated enable control feature

Over current, over temperature, and short circuit protection

Soft start capability

Product Advantages

High efficiency due to low dropout voltage

Minimal power loss and heat generation

Compact SOT-23-5 package suitable for space-constrained applications

High reliability and long operational life

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 250mA

Voltage Dropout (Max): 0.2V @ 250mA

PSRR: 80dB ~ 60dB (100Hz ~ 100KHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built-in protection against over current, over temperature, and short circuit

Soft start feature to reduce inrush current

Compatibility

Compatible with a wide range of digital and analog devices

Suitable for 5.5V single supply applications

Application Areas

Power management for microcontrollers

Consumer electronics

Industrial equipment

Portable devices

Product Lifecycle

Currently active product status

Not nearing discontinuation

Ongoing support and availability

Several Key Reasons to Choose This Product

High precision voltage regulation for sensitive electronics

Low quiescent current enhances battery life in portable applications

Robust thermal and current management features ensure device safety

Suitable for automated mass production with Tape & Reel packaging