Manufacturer Part Number
LP5912-1.8DRVT
Manufacturer
Texas Instruments
Introduction
The LP5912-1.8DRVT is a low dropout regulator designed for power-sensitive applications.
Product Features and Performance
Low dropout voltage of 0.25V at 500mA
Fixed output voltage of 1.8V
Output current capability of 500mA
High PSRR of 80dB at 100Hz to 40dB at 100kHz
Low quiescent current of 55 µA
Supply current up to 600 µA
Enable, Power Good, Soft Start control features
Maximum input voltage of 6.5V
Operates over a wide temperature range of -40°C to 125°C
Product Advantages
High efficiency for battery-powered devices
Minimal power loss due to low dropout
Small WSON package for space-constrained applications
High PSRR improves noise immunity
Key Technical Parameters
Voltage - Input (Max): 6.5V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 500mA
Voltage Dropout (Max): 0.25V @ 500mA
Current - Quiescent (Iq): 55 µA
PSRR: 80dB ~ 40dB (100Hz ~ 100kHz)
Quality and Safety Features
Protection against over-temperature
Reverse polarity protection
Short circuit protection
Compatibility
Compatible with various microcontrollers and digital ICs requiring a 1.8V supply
Surface mount compatible for PCB design
Application Areas
Battery-powered devices
Portable electronics
Microcontroller power supplies
Product Lifecycle
Last Time Buy status indicating potential discontinuation
Availability of replacements or upgrades should be checked with the manufacturer
Several Key Reasons to Choose This Product
Ideal for power-sensitive applications due to low quiescent current and dropout
High reliability with built-in protection features
Robust performance across a wide temperature range
High PSRR rating for stable operation under variable load conditions
Enables compact circuit design with small package footprint
