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Status: Obsolete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.
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