LDS3985M30R - STMicroelectronics

Manufacturer Part Number

LDS3985M30R

Manufacturer

stmicroelectronics

Introduction

Low Dropout Voltage Regulator for Power Management

Product Features and Performance

Low dropout voltage: 0.25V @ 300mA

Output voltage: 3V fixed

PSRR: 55dB to 50dB from 1kHz to 10kHz

Quiescent current: 150 µA

Output current: 300mA

Shutdown control feature

Product Advantages

Efficient power supply with low voltage drop

High power supply rejection ratio

Low quiescent current for power saving

Over current and over temperature protection

Key Technical Parameters

Input voltage (max): 6V

Output configuration: Positive, Fixed

Number of regulators: 1

Voltage dropout (max): 0.25V @ 300mA

Current - Supply (Max): 300 µA

Operating temperature range: -40°C to 125°C

Quality and Safety Features

Over current protection

Over temperature protection

Compatibility

Surface mount compatible

Package / Case: SC-74A, SOT-753

Application Areas

Electronic devices requiring stable voltage supply

Low-energy consumption applications

Product Lifecycle

Active status

Information regarding discontinuation or replacements not provided

Several Key Reasons to Choose This Product

Stable output voltage of 3V with high PSRR

Low dropout enables efficient use even with low input voltages

Supports up to 300mA load with adequate thermal management

Low quiescent current enhances battery life in portable applications

Protection features ensure long-term reliability

Compatible with standard surface mount processes for easy integration