LDLN025PU18R - STMicroelectronics

Manufacturer Part Number

LDLN025PU18R

Manufacturer

stmicroelectronics

Introduction

LDLN025PU18R is a Low Drop Out (LDO) Linear Voltage Regulator designed for power management in various electronic devices.

Product Features and Performance

Fixed output voltage of 1.8V

Maximum input voltage of 5.5V

Low voltage dropout of 0.25V at 250mA load

Output current capability of 250mA

Low quiescent current of 25 µA

High Power Supply Rejection Ratio (PSRR) of 80dB to 60dB from 100Hz to 100KHz

Built-in features such as Enable control, Over Current, Over Temperature, Short Circuit, and Soft Start protection

Stable operation across a broad operating temperature range from -40°C to 125°C

Product Advantages

Enhanced power efficiency and energy saving due to low dropout and quiescent current

Compact 4-XDFN Exposed Pad package suitable for space-constrained applications

High reliability and robustness with built-in protection features

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.25V @ 250mA

Current Output: 250mA

Current Quiescent (Iq): 25 µA

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

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Soft Start Functionality

Compatibility

Ideal for applications requiring fixed 1.8V output from a maximum input of 5.5V

Application Areas

Consumer Electronics

Portable Devices

IoT Devices

Medical Devices

Product Lifecycle

Status: Active

Not nearing discontinuation with sufficient support and availability

Several Key Reasons to Choose This Product

Low dropout feature ensures minimal energy loss, maximizing power efficiency

Ultra-low quiescent current enhances battery life in portable applications

Robust protection features provide reliability and a longer product lifespan in adverse conditions

High PSRR minimizes noise and disturbances, ensuring stable output voltage

Wide operating temperature range suitable for various environmental conditions

Compact package footprint for space-sensitive applications