LDLN025J18R - STMicroelectronics

Manufacturer Part Number

LDLN025J18R

Manufacturer

STMicroelectronics

Introduction

Low dropout regulator designed for power management

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Voltage Dropout: 0.2V at 250mA

Current Output: 250mA

Quiescent Current: 25 µA

Supply Current (Max): 425 µA

PSRR: 80dB to 60dB from 100Hz to 100KHz

Control Features: Enable function

Protection Features: Overcurrent, Over-temperature, Short Circuit, and Soft Start

Operating Temperature Range: -40°C to 125°C

Product Advantages

High Power Supply Rejection Ratio (PSRR)

Low quiescent current for power saving

Built-in protection features enhance safety

Compact package ideal for space-constrained applications

High temperature operational range

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.8V

Current - Output: 250mA

Current - Quiescent (Iq): 25 µA

Current - Supply (Max): 425 µA

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

Quality and Safety Features

Overcurrent Protection

Overtemperature Protection

Short Circuit Protection

Soft Start Feature

Compatibility

Compatible with many digital and analog circuits requiring a 1.8V supply

Application Areas

Mobile Phones

Portable Electronics

Microcontrollers

Power Supply Modules

Product Lifecycle

Active Status

Not nearing discontinuation

Availability of replacements or upgrades may vary

Several Key Reasons to Choose This Product

Enhanced reliability due to protective features

Energy-efficient operation with low quiescent current

Suitable for a wide range of operating temperatures

High PSRR minimizes power supply noise

Compact and suitable for modern electronics with space restrictions