TPS73518QDRBRQ1 - Texas Instruments

Manufacturer Part Number

TPS73518QDRBRQ1

Manufacturer

Texas Instruments

Introduction

Automotive-qualified low dropout (LDO) linear voltage regulator

Product Features and Performance

Fixed output voltage at 1.8V

Maximum input voltage of 6.5V

Current output capacity of 500mA

Low quiescent current at 65 µA

Power Supply Rejection Ratio (PSRR) ranges from 60dB to 21dB over 100Hz to 100kHz

Control features include chip enable function

Product Advantages

Precision output for sensitive electronics

High PSRR for noise suppression

Low dropout voltage to maintain regulation with minimal input-to-output differential

Thermal and overcurrent protection for increased safety

Key Technical Parameters

Input Voltage (Max): 6.5V

Output Voltage (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.5V @ 500mA

Current - Output: 500mA

Current - Quiescent (Iq): 65 µA

PSRR: 60dB ~ 21dB (100Hz ~ 100kHz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Reverse polarity protection

Under Voltage Lockout (UVLO)

Qualification to AEC-Q100 standards for automotive use

Compatibility

Compatible with surface mount technology

Mounting Type: Surface Mount

Application Areas

Automotive electronic systems

Power management applications in consumer electronics

Product Lifecycle

Status: Active

Continuing production with no known discontinuation

Several Key Reasons to Choose This Product

Specifically designed for automotive applications with AEC-Q100 qualification

Highly stable and accurate voltage regulation for critical components

Low dropout for efficient operation even with low input voltage overhead

High PSRR for minimization of voltage ripples and noise from input power

Comprehensive safety features ensure reliability under various fault conditions

Economical and reduced space footprint with SON-8 package

Supports green molding compound requirements and is lead-free and RoHS compliant