TPS73533QDRBRQ1 - Texas Instruments

Manufacturer Part Number

TPS73533QDRBRQ1

Manufacturer

Texas Instruments

Introduction

TPS73533QDRBRQ1 is an automotive-grade, low-dropout (LDO) linear voltage regulator specifically designed for power-sensitive applications.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum input voltage of 6.5V

Output current capacity of 500mA

Low dropout voltage of 0.5V at 500mA load

Low quiescent current of 65 µA

High PSRR: 60dB at 100Hz to 21dB at 100kHz

Control features include an enable switch

Comprehensive protection features such as overcurrent, over-temperature, reverse polarity, and under-voltage lockout (UVLO)

Product Advantages

High reliability in harsh automotive environments

Precision output voltage maintains stable power supply

Energy-efficient operation with low quiescent current

Extensive protection features enhance device and system safety

Key Technical Parameters

Voltage Input (Max): 6.5V

Voltage Output (Min/Fixed): 3.3V

Current Output: 500mA

Voltage Dropout (Max): 0.5V @ 500mA

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

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection

Over-temperature protection

Reverse polarity protection

Under-voltage lockout (UVLO)

Qualified to AEC-Q100 standards for automotive use

Compatibility

Surface mount device with 8-SON (3x3) package which is suitable for compact PCB layouts

Application Areas

Automotive electronics

Power management circuits

Battery-powered devices

Portable electronics

Product Lifecycle

Currently active and widely available

Not nearing discontinuation

Several Key Reasons to Choose This Product

Highly reliable with automotive-grade quality and AEC-Q100 qualification

Maintains output stability with a fixed output under varying input conditions

Robust protection features ensure product longevity under adverse conditions

Power-efficient design with low dropout and quiescent current for battery-sensitive applications

Wide operating temperature suitable for diverse environmental conditions