TPS76818QDR - Texas Instruments

Manufacturer Part Number

TPS76818QDR

Manufacturer

Texas Instruments

Introduction

TPS76818QDR is a low dropout (LDO) linear voltage regulator designed to provide a fixed output of 1.8V with an ability to source 1A of load current. Its low quiescent current and high PSRR make it suitable for power-sensitive applications.

Product Features and Performance

Stable fixed output of 1.8V suitable for various applications

Capable of delivering 1A output current

Low dropout enhances efficiency

Low quiescent current (125 µA) beneficial for power saving

High PSRR (60dB at 1kHz) ensures output voltage stability against input voltage noise

Enable feature for on-demand power control

Power Good output for real-time power status monitoring

Over Current and Over Temperature Protection for enhanced safety

Reverse Polarity Protection to avoid damage from incorrect power supply connection

Product Advantages

High efficiency due to low dropout feature

Low power consumption extends battery life in portable devices

Reliable output voltage stability under varying load conditions

Enhanced safety and reliability with comprehensive protection features

Easy power management with Enable and Power Good features

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 1.8V

Current Output: 1A

Current Quiescent (Iq): 125 µA

PSRR: 60dB (1kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with a wide range of microcontrollers, digital signal processors, and other digital systems requiring a stable 1.8V power supply

Application Areas

Consumer Electronics

Industrial Automation

Telecommunications

Automotive Systems

Portable and Battery-powered Devices

Product Lifecycle

Status: Active

No current indication of nearing discontinuation or phase-out, ensuring long-term availability and support

Several Key Reasons to Choose This Product

High efficiency and reliability suitable for demanding applications

Low power consumption ideal for portable and battery-powered applications

Enhanced safety features protect both the product and the application

Texas Instruments' reputation for quality and long-term availability

Comprehensive technical support and documentation available from Texas Instruments