Manufacturer Part Number
LP5951MF-3.0
Manufacturer
Texas Instruments
Introduction
The LP5951MF-3.0 is a low dropout regulator designed for power-sensitive applications.
Product Features and Performance
Fixed 3V output voltage
150mA output current
Low dropout voltage of 0.35V at 150mA
Quiescent current of 55 µA
Maximum supply current of 70 µA
Power supply rejection ratio (PSRR) of 60dB to 50dB across 100Hz to 10kHz frequencies
Enable control feature for power management
Overcurrent, overtemperature, and short-circuit protection
Product Advantages
Highly suitable for battery-operated devices due to low quiescent current
Stable and reliable output voltage
Built-in protection features enhance product safety
Key Technical Parameters
Input voltage up to 5.5V
Output voltage fixed at 3V
Dropout voltage max 0.35V at 150mA load
Output current capability of 150mA
Quiescent current (Iq) 55 µA
Supply current (max) 70 µA
PSRR ranging from 60dB to 50dB between 100Hz and 10kHz
Operation temperature range from -40°C to 125°C
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Short circuit protection
Compatibility
Surface mount compatible
Packaged in SC-74A, SOT-753
SOT-23-5 device package
Application Areas
Battery-powered devices
Portable electronics
Power-sensitive applications
Product Lifecycle
Status: Obsolete
No direct replacements or upgrades mentioned
Several Key Reasons to Choose This Product
Energy-efficient for portable and battery-powered applications
Robust protection features ensure long-term reliability
Low dropout allows operation closer to the battery's end-of-life
Small form factor suitable for space-constrained designs
Higher PSRR for good noise rejection in noisy environments
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