TPS79730DCKR - Texas Instruments

Manufacturer Part Number

TPS79730DCKR

Manufacturer

Texas Instruments

Introduction

The TPS79730DCKR is a low-dropout linear regulator designed for power-sensitive applications.

Product Features and Performance

High Power Supply Rejection Ratio (PSRR) of 50dB at 100Hz

Low dropout voltage of 0.2V at 10mA load

Low quiescent current of 2µA enhancing battery life

Output voltage fixed at 3V, suitable for logic and analog circuits

Capable of delivering an output current of 50mA

Integrated power good output indication

Reverse polarity and overcurrent protection features

Product Advantages

Highly suitable for battery-operated devices due to low Iq and dropout

Excellent line and load regulation preserves stability across conditions

Provides clean voltage suitable for RF and precision analog applications

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 3V

Dropout Voltage (Max): 0.2V @ 10mA

Output Current: 50mA

Quiescent Current (Iq): 2µA

PSRR: 50dB (100Hz)

Quality and Safety Features

Reverse polarity protection prevents damage if input polarity is reversed

Overcurrent protection safeguards the device and the load from excessive currents

Compatibility

Compatible with various microcontrollers and digital systems requiring a 3V fixed output

Application Areas

Battery-powered devices

Portable electronics

Wireless communications modules

Healthcare monitoring equipment

Product Lifecycle

Active product status, not nearing discontinuation

Availability of replacements or upgrades as part of the Texas Instruments portfolio

Several Key Reasons to Choose This Product

Optimal choice for portable designs with strict power and space constraints

Low dropout enables full usage of battery capacity

Minimal impact on system power consumption due to ultra-low Iq

Provides stable and clean power supply, enhancing system reliability

Built-in safety features ensure long-term device operation

The product is readily available in tape & reel packaging for efficient manufacturing processes