LP38859S-1.2 - Texas Instruments

Manufacturer Part Number

LP38859S-1.2

Manufacturer

Texas Instruments

Introduction

High-Performance, Low-Dropout Linear Regulator

Product Features and Performance

Fixed 1.2V output voltage

Output current up to 3A

Wide input voltage range up to 5.5V

High power supply rejection ratio (PSRR) of 80dB to 65dB

Tight output voltage tolerance

Over-current, over-temperature, and short-circuit protection

Soft-start feature to limit inrush current

Low dropout voltage of 0.45V at 3A

Single-Chip solution with minimal external components

Product Advantages

High efficiency and power density

Excellent line and load regulation

Robust protection features

Compact and easy to use

Key Technical Parameters

Input Voltage Range: Up to 5.5V

Output Voltage: 1.2V

Output Current: Up to 3A

Dropout Voltage: 0.45V @ 3A

Quiescent Current: 8.5mA

Supply Current: Up to 15mA

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Over-Current Protection

Over-Temperature Protection

Short-Circuit Protection

Under-Voltage Lockout (UVLO)

Compatibility

Surface Mount (DDPAK/TO-263-5) package

Suitable for a variety of industrial and consumer applications

Application Areas

Portable Electronics

Power Supplies

Industrial Equipment

Automotive Applications

Product Lifecycle

The LP38859S-1.2 is an active product with no plans for discontinuation.

Replacement or upgraded products are available if needed.

Key Reasons to Choose This Product

High reliability and robust protection features

Excellent power efficiency and thermal performance

Compact and easy to integrate design

Broad input voltage range and operating temperature

Single-chip solution with minimal external components