TPS73718DCQR - Texas Instruments

Manufacturer Part Number

TPS73718DCQR

Manufacturer

Texas Instruments

Introduction

The TPS73718DCQR from Texas Instruments is a linear, low-dropout (LDO) voltage regulator, ideal for power-sensitive applications due to its low quiescent current and high PSRR.

Product Features and Performance

Fixed output voltage of 1.8V

Input voltage up to 5.5V

Maximum dropout voltage of 0.5V at 1A load

Output current capacity of 1A

Low quiescent current of 400 µA

High Power Supply Rejection Ratio (PSRR): 58dB ~ 37dB from 100Hz to 10kHz

Features enable control

Over current and over temperature protection

Reverse polarity protection

Product Advantages

High efficiency with low dropout voltage

Robust power supply rejection improves overall device performance

Low quiescent current extends battery life in portable devices

Comprehensive protection features enhance reliability and safety

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 1A

Voltage Dropout (Max): 0.5V @ 1A

Current Quiescent (Iq): 400 µA

PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Operating Temperature Range of -40°C to 125°C ensures stability across various environments

Compatibility

Compatible with a wide range of input voltages up to 5.5V

Surface mount SOT-223-6 package compatible with standard PCBs

Application Areas

Power management for battery-powered devices

Consumer electronics

Portable medical devices

Telecom infrastructure

Product Lifecycle

Currently in active production

Not nearing discontinuation and replacements or upgrades are readily available

Several Key Reasons to Choose This Product

High efficiency and low operational cost due to low dropout voltage and quiescent current

Robust against power supply variations ensuring stable operation in varying electrical environments

Enhanced safety features, prolonging product life and ensuring the safety of adjoining components

Suitable for compact, temperature-sensitive applications due to its small footprint and extensive operating temperature range

Reliable performance from a reputable manufacturer, Texas Instruments, ensuring long-term availability and support