LP38851S-ADJ - Texas Instruments

Manufacturer Part Number

LP38851S-ADJ

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator

Product Features and Performance

Adjustable Output Voltage from 0.8V to 1.8V

Single Regulator Design

Maximum Input Voltage of 5.5V

Low Dropout 0.2V at 800mA Load

800mA Output Current

Low Quiescent Current of 300 µA

Power Supply Rejection Ratio (PSRR) 72dB ~ 61dB from 120Hz to 1kHz

Enable and Soft Start Control Features

Product Advantages

High Efficiency for Battery-Powered Applications

Stable with Low-ESR Output Capacitors

Fast Transient Response

Key Technical Parameters

Input Voltage up to 5.5V

Output Voltage Range 0.8V to 1.8V

Dropout Voltage 0.2V at 800mA

Output Current 800mA

Quiescent Current 300 µA

Supply Current max 9 mA

PSRR 72dB ~ 61dB (120Hz ~ 1kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Under Voltage Lockout (UVLO)

Compatibility

Surface Mount

TO-263-8, D2PAK (7 Leads + Tab), TO-263CA

Compatible with TO-263 (DDPAK-7) package

Application Areas

Consumer Electronics

Networking

Telecommunications

Portable Devices

Product Lifecycle

Obsolete Status

Potential Need for Replacement or Upgrade

Reasons to Choose This Product

Suitability for High-Performance Applications

High Reliability and Built-In Safety Features

Enhanced Thermal Performance

Ease of Integration with Surface Mount Technology

Ideal for Low Voltage Operations with 0.8V Minimum Output

Energy-Efficient for Battery-Driven Devices

Minimal Design Effort Required for Enable and Soft Start Features