LP38853MRX-ADJ - Texas Instruments

Manufacturer Part Number

LP38853MRX-ADJ

Manufacturer

Texas Instruments

Introduction

The LP38853MRX-ADJ is an adjustable, low-dropout linear regulator (LDO) designed for power management applications, optimized for fast response to varying loads and input conditions.

Product Features and Performance

Adjustable output voltage from 0.8V to 1.8V

Low dropout voltage of 0.45V at 3A load

Output current up to 3A

Quiescent current of 300 µA, reducing power consumption

Supply current maximum of 9 mA

High PSRR of 80dB ~ 70dB from 120Hz to 1kHz ensuring stable output

Control features include Enable and Soft Start for easy integration and smooth operation

Over Current, Over Temperature, Short Circuit, and Under Voltage Lockout (UVLO) protection features enhance safety and reliability

Product Advantages

High efficiency due to low dropout voltage and quiescent current

Flexible output voltage range suitable for a wide array of uses

Comprehensive protection features enhance product longevity and safety

High power supply rejection ratio (PSRR) ensures stable operation across different conditions

Key Technical Parameters

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 0.8V

Voltage - Output (Max): 1.8V

Voltage Dropout (Max): 0.45V @ 3A

Current - Output: 3A

Current - Quiescent (Iq): 300 µA

Current - Supply (Max): 9 mA

PSRR: 80dB ~ 70dB (120Hz ~ 1kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Under Voltage Lockout (UVLO)

Compatibility

The device is compatible with a wide range of applications requiring adjustable output voltages and high current capacities.

Application Areas

Suitable for use in telecommunications, computing systems, and industrial controls where stable and efficient power regulation is essential.

Product Lifecycle

As of the last update, this product is listed as Obsolete. It is recommended to check for replacements or upgrades and confirm availability for ongoing projects.

Several Key Reasons to Choose This Product

Adjustable output provides flexibility for different voltage requirements.

Low dropout and quiescent current improve overall efficiency.

Comprehensive protection features ensure reliability and safety in operation.

High PSRR offers stable performance under varying load and supply conditions.

Compatibility with a wide range of applications and systems.

Though obsolete, its performance and specifications may still meet the requirements of specific legacy systems or applications.