LP38691DTX-1.8 - Texas Instruments

Manufacturer Part Number

LP38691DTX-1.8

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator for Power Management Applications

Product Features and Performance

Positive Fixed Output Configuration

Single-Output Linear Regulator

Input Voltage up to 10V

Fixed Output Voltage of 1.8V

500mA Output Current Capability

Low Quiescent Current of 55 µA

Supply Current Max 100 µA

Power Supply Rejection Ratio (PSRR) of 55dB at 120Hz

Product Advantages

Highly space-efficient DPAK TO-252-3 Surface Mount Package

Suitable for Battery-Powered Devices due to Low Quiescent Current

Optimized for Low Voltage Operations

Integrated Over Temperature Protection for Safety

Key Technical Parameters

Voltage - Input (Max): 10V

Voltage - Output (Min/Fixed): 1.8V

Current - Output: 500mA

Current - Quiescent (Iq): 55 µA

Current - Supply (Max): 100 µA

PSRR: 55dB (120Hz)

Quality and Safety Features

Over Temperature Protection Included

Compatibility

Suited for Surface Mount Technology (SMT)

Compatible with TO-252-3 Package Requirements

Application Areas

Consumer Electronics

Telecommunications

Computing Devices

Industrial Controls

Product Lifecycle

Obsolete Product Status

Potential for Replacement or Upgrade Options

Several Key Reasons to Choose This Product

Optimized for Low-Power Handheld Devices

Low Dropout Voltage Suitable for Tight Power Budgets

Compact Footprint for Space-Constrained Applications

Robust Thermal Performance with Operating Temperature Range -40°C to 125°C

Power Efficiency Beneficial for Prolonging Battery Life