TPS7B8250QKVURQ1 - Texas Instruments

Manufacturer Part Number

TPS7B8250QKVURQ1

Manufacturer

Texas Instruments

Introduction

The TPS7B8250QKVURQ1 is a low-dropout (LDO) linear voltage regulator designed for automotive applications, providing a fixed 5V output from an input up to 40V.

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator

Max input voltage 40V

Fixed output voltage 5V

Max dropout voltage 1.17V at 300mA load

Output current up to 300mA

Quiescent current 3.5 µA

Supply current max 4.5 µA

Power supply rejection ratio (PSRR) of 60dB at 100Hz

Enable control features

Product Advantages

Optimized for automotive applications with robust operating temperature range from -40°C to 125°C

Low quiescent and supply current enhance system efficiency

High PSRR ensures stable output despite variations in input voltage

Key Technical Parameters

Input Voltage (Max): 40V

Output Voltage (Min/Fixed): 5V

Dropout Voltage (Max): 1.17V @ 300mA

Output Current: 300mA

Quiescent Current (Iq): 3.5 µA

Power Supply Rejection Ratio (PSRR): 60dB (100Hz)

Quality and Safety Features

Protection against over-current, over-temperature, and under-voltage lockout (UVLO)

AEC-Q100 qualified for automotive applications

Compatibility

Compatible with surface mount technology via TO-252-5 DPAK package

Application Areas

Designed for use in automotive systems requiring stable and efficient power supply

Product Lifecycle

Status: Active

This product is not nearing discontinuation and supports long-term availability.

Several Key Reasons to Choose This Product

Robust performance in harsh automotive environments supported by a broad operating temperature range

High efficiency with minimal power loss due to low dropout and quiescent currents

Reliable output stability through excellent PSRR, crucial for vehicle electronics

Multiple built-in protection features ensure system safety under various conditions

AEC-Q100 qualification affirms standard compliance and suitability for automotive grade applications