LP590718QDQNRQ1 - Texas Instruments

Manufacturer Part Number

LP590718QDQNRQ1

Manufacturer

Texas Instruments

Introduction

The LP590718QDQNRQ1 is a high-performance, low-dropout linear regulator designed specifically for automotive applications and compliant with the AEC-Q100 standard.

Product Features and Performance

Low Dropout Voltage: 0.25V @ 250mA, optimizing performance in low-voltage operations

Output Configuration: Positive with a fixed output voltage of 1.8V

Current Output Capability: 250mA, suitable for a wide range of applications

Quiescent Current (Iq): 25 µA, enhancing battery life in portable applications

Supply Current (Max): 425 µA

PSRR: High PSRR of 90dB ~ 60dB across a wide frequency range (100Hz ~ 100kHz), ensuring stable output voltage

Control Features: Includes enable function for power management flexibility

Protection Features: Equipped with overcurrent, overtemperature, and short-circuit protection, ensuring the safety and durability of the device

Product Advantages

High reliability and performance under the automotive AEC-Q100 standard

Low quiescent current enhances battery efficiency, making it ideal for energy-sensitive applications

Comprehensive protection features safeguard the device under abnormal conditions

High PSRR ensures stable output voltage even with fluctuating input or in noisy environments

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.25V @ 250mA

Current Output: 250mA

PSRR: 90dB ~ 60dB (100Hz ~ 100kHz)

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

AEC-Q100 qualified, adhering to strict automotive industry standards

Protection against overcurrent, overtemperature, and short circuit

Operates reliably in a wide temperature range of -40°C to 125°C

Compatibility

Package / Case: 4-XDFN Exposed Pad

Supplier Device Package: 4-X2SON (1x1), compatible with surface mount technology for efficient PCB assembly

Application Areas

Automotive electronics, including infotainment systems, dashboards, and power management circuits

Industrial and portable applications requiring high-performance voltage regulation with low power consumption

Product Lifecycle

Status: Active, indicating the product is currently being manufactured and supplied.

Longevity and future availability are supported, with no immediate discontinuation notice, ensuring reliability for new designs.

Several Key Reasons to Choose This Product

Automotive-grade reliability and performance, certified by AEC-Q100 standard

Low dropout voltage and high PSRR ensure stable operation under variable conditions

Energy-efficient with low quiescent current, reducing overall power consumption

Robust protection features provide reliability and safety in application

Versatile compatibility and applications, from automotive to industrial settings

Active product status with Texas Instruments' longevity commitment, offering reliability for ongoing designs