TPS7B4253QDDARQ1 - Texas Instruments

Manufacturer Part Number

TPS7B4253QDDARQ1

Manufacturer

Texas Instruments

Introduction

The TPS7B4253QDDARQ1 is a linear, low-dropout (LDO) voltage regulator designed for automotive applications, providing an adjustable output with a maximum input voltage of 40V.

Product Features and Performance

Adjustable output voltage from 1.5V to 40V

Maximum dropout voltage of 0.52V at 200mA load

Output current capacity of 300mA

Low quiescent current of 18 µA

Excellent power supply rejection ratio (PSRR) of 70dB at 100Hz

Product Advantages

High voltage input capability up to 40V

Low dropout voltage enhances efficiency

Minimal quiescent current helps in reducing power consumption

Robust against temperature variations with operating range from -40°C to 150°C

Key Technical Parameters

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.5V

Voltage Output (Max): 40V

Voltage Dropout (Max): 0.52V @ 200mA

Current Output: 300mA

Current Quiescent (Iq): 18 µA

Current Supply (Max): 400 µA

PSRR: 70dB (100Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

Surface Mount type mounting

Compatible with automotive-grade applications due to AEC-Q100 qualification

Application Areas

Automotive electronics

Power management systems in vehicles

Product Lifecycle

Currently active product

Not nearing discontinuation

Upgrades or replacements are available if necessary

Several Key Reasons to Choose This Product

High input voltage capability suitable for automotive applications

Low dropout voltage for enhanced power efficiency

Extremely low quiescent current ideal for power-sensitive applications

Comprehensive protection features ensure reliability under adverse conditions

Qualified for automotive applications (AEC-Q100), ensuring robust performance