Manufacturer Part Number
LP38853MR-ADJ
Manufacturer
Texas Instruments
Introduction
The LP38853MR-ADJ is a low dropout (LDO) linear voltage regulator designed for power management applications where efficiency and low quiescent current are essential.
Product Features and Performance
Adjustable output voltage from 0.8V to 1.8V
Supports up to 3A of output current
Low dropout voltage of 0.45V at 3A load
Excellent power supply rejection ratio (PSRR) of 80dB to 70dB between 120Hz and 1kHz
Incorporates enable and soft start control features
Low quiescent current of 300 µA
Max supply current of 9 mA
Built-in protection features: Over Current, Over Temperature, Short Circuit, and Under Voltage Lockout (UVLO)
Product Advantages
High efficiency suitable for battery-powered devices
Flexible output voltage selection for various applications
Robust protection features enhance reliability
Low quiescent current extends battery life
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage Range: 0.8V to 1.8V
Dropout Voltage (Max): 0.45V @ 3A
Output Current: 3A
Quiescent Current (Iq): 300 µA
Supply Current (Max): 9 mA
PSRR: 80dB ~ 70dB (120Hz ~ 1kHz)
Quality and Safety Features
Comprehensive protection against overcurrent, overheating, short circuits, and under-voltage situations ensures device and circuit safety.
Compatibility
Compatible with a wide range of microcontrollers and digital devices due to its adjustable output voltage feature.
Application Areas
Ideal for battery-operated electronics, portable devices, and any application requiring efficient power management.
Product Lifecycle
The LP38853MR-ADJ is currently in the Last Time Buy status, suggesting it is nearing discontinuation. Customers should seek replacements or upgrades.
Several Key Reasons to Choose This Product
Highly efficient for power-sensitive applications
Wide output voltage range accommodates diverse needs
Strong protection features for enhanced reliability
Minimal dropout allows for better performance under varying load conditions
Low quiescent current is ideal for battery-dependent operations