LP3872EMPX-3.3 - Texas Instruments

Manufacturer Part Number

LP3872EMPX-3.3

Manufacturer

Texas Instruments

Introduction

The LP3872EMPX-3.3 belongs to Texas Instruments' range of Power Management Integrated Circuits (PMICs), specifically within the category of Low Drop Out (LDO) regulators. Designed for applications requiring a stable and low noise voltage source.

Product Features and Performance

Fixed output voltage of 3.3V

Supports inputs up to 7V

Max output current of 1.5A

Low dropout voltage of 0.55V at 1.5A load

Quiescent current of 5 mA

Supply current up to 15 mA

PSRR: 73dB to 57dB at 120Hz

Includes enable control features

Protection against overcurrent, overtemperature, and short circuit

Operational from -40°C to 125°C

Product Advantages

High efficiency at low dropout voltages

Robust thermal and current protection enhances reliability

Low quiescent current improves energy efficiency

Suitable for battery-powered devices due to low power consumption

High PSRR ensures stable output despite input noise variations

Key Technical Parameters

Voltage Input (Max): 7V

Voltage Output (Min/Fixed): 3.3V

Current Output: 1.5A

Dropout Voltage (Max): 0.55V @ 1.5A

PSRR: 73dB ~ 57dB at 120Hz

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Compatible with surface mount technology (Mounting Type: Surface Mount)

Package/Case: TO-261-5, TO-261AB

Supplier Device Package: SOT-223-5

Application Areas

Ideal for low voltage, high-current applications

Suitable for battery-powered equipment

Can be used in microcontroller power supply design

Applicable in portable consumer electronics

Product Lifecycle

Status: Obsolete

Note on replacements or upgrades not provided

Several Key Reasons to Choose This Product

High efficiency for battery-powered applications.

Integrated protection features ensure reliability and safety in operation.

Low dropout voltage is ideal for applications running close to battery voltage.

Wide operational temperature range suits demanding environments.

High PSRR minimizes output voltage fluctuation.