LP3985IM5X-3.3 - Texas Instruments

Manufacturer Part Number

LP3985IM5X-3.3

Manufacturer

Texas Instruments

Introduction

The LP3985IM5X-3.3 is a Low Dropout (LDO) linear regulator optimized for power management.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum Input Voltage of 6V

Low dropout voltage of 0.1V at 150mA load

Output current of 150mA

Quiescent Current of 150 µA

Supply Current up to 250 µA

PSRR of 50dB to 40dB between 1kHz to 10kHz

Control features include Enable function

Protection against Over Current, Over Temperature, and Short Circuit

Product Advantages

Precision output voltage ensures reliable operation

Low quiescent current enhances battery life

Integrated protection features safeguard the component and downstream circuits

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

Key Technical Parameters

Output Voltage: 3.3V

Input Voltage (Max): 6V

Dropout Voltage (Max): 0.1V @ 150mA

Output Current: 150mA

Quiescent Current: 150 µA

Supply Current (Max): 250 µA

PSRR: 50dB ~ 40dB (1kHz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with surface mount technology (SMT)

Mounting Type: Surface Mount

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

Application Areas

Ideal for battery-powered devices

Suitable for mobile phones, PDAs, and other portable electronics

Product Lifecycle

Status: Obsolete

Consider upgrading to newer LDO regulators for enhanced features and prolonged support

Several Key Reasons to Choose This Product

Reliable fixed voltage output for consistent performance

Low dropout voltage aids in maintaining efficiency

High level of integration lowers system complexity and cost

Robust temperature and current protection increase longevity and reliability

Small package size fits perfectly in compact electronic assemblies