LP590722QDQNRQ1 - Texas Instruments

Manufacturer Part Number

LP590722QDQNRQ1

Manufacturer

Texas Instruments

Introduction

The LP590722QDQNRQ1 is an automotive-grade low dropout (LDO) linear voltage regulator.

Product Features and Performance

Provides a fixed output voltage of 2.2V

Supports input voltages up to 5.5V

Low dropout voltage of 0.25V at 250mA load

Maximum output current of 250mA

Quiescent current of 25 µA

Supply current up to 425 µA

Excellent power supply rejection ratio (PSRR) of 90dB at 100Hz to 60dB at 100kHz

Enabled with a control feature for on/off functionality

Product Advantages

Designed to meet AEC-Q100 automotive standards

High PSRR ensures stability under varying load and supply conditions

Energy-efficient with low quiescent current

Thermal and short-circuit protection enhances product reliability

Key Technical Parameters

Number of Regulators: 1

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 2.2V

Voltage Dropout (Max): 0.25V @ 250mA

Current - Output: 250mA

Current - Quiescent (Iq): 25 µA

Current - Supply (Max): 425 µA

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

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with surface mount technology

Mounting Type: Surface Mount

Package / Case: 4-XDFN Exposed Pad

Supplier Device Package: 4-X2SON (1x1)

Application Areas

Ideal for automotive electronic systems

Suitable for power-sensitive applications

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Replacement and upgrade options not specified

Several Key Reasons to Choose This Product

Compliance with rigorous automotive standards (AEC-Q100)

Low power consumption and high energy efficiency

Robust protection features ensure increased longevity

Superior noise performance with high PSRR

Compact and suitable for space-constrained applications