TPS799L54YZYR - Texas Instruments

Manufacturer Part Number

TPS799L54YZYR

Manufacturer

Texas Instruments

Introduction

TPS799L54YZYR is a low-dropout (LDO) linear voltage regulator optimized for power-sensitive applications.

Product Features and Performance

High PSRR: 70dB at 100Hz to 38dB at 100kHz

Low dropout voltage: 0.16V at 200mA load

Low quiescent current: 60µA

Stable with low-ESR ceramic capacitors

Good noise performance

Active output discharge

Product Advantages

High power supply rejection ratio ensures clean voltage regulation

Low quiescent current enhances power efficiency in standby mode

High thermal performance and operating temperature range

Over current and over temperature protection for safety and reliability

Reverse polarity and under voltage lockout protection

Key Technical Parameters

Input Voltage (Max): 6.5V

Output Voltage (Min/Fixed): 5.4V

Current - Output: 200mA

Voltage Dropout (Max): 0.16V @ 200mA

Current - Quiescent (Iq): 60 µA

PSRR: 70dB ~ 38dB (100Hz ~ 100kHz)

Control Features: Enable

Protection Features: Over Current, Over Temperature, Reverse Polarity, UVLO

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

Suitable for use with low-ESR ceramic capacitors

Surface Mount Technology compatibility for modern circuit design

Application Areas

Power-sensitive and noise-sensitive electronics

RF: Wireless infrastructure, portable radio

Healthcare: Patient monitoring, medical wearables

Industrial: Automation control, smart sensors

Product Lifecycle

Active status, not near discontinuation

Replacements or upgrades should be available through Texas Instruments portfolio

Several Key Reasons to Choose This Product

Highly efficient for battery-powered applications

Precision output voltage for critical applications

Enables extended battery life due to low Iq

Supports a wide range of operating temperatures for demanding environments

Reliability assured with multiple built-in protection features

Suitable for compact designs due to small package size