Manufacturer Part Number
L4931CD50
Manufacturer
STMicroelectronics
Introduction
Low dropout regulator designed for low power consumption and stable operation
Product Features and Performance
Positive fixed output configuration
250mA output current
Low dropout voltage of 0.8V at 250mA
Quiescent current of 1mA
High power supply rejection ratio (PSRR) in the range of 70dB to 55dB between 120Hz and 10kHz
Operates over a wide temperature range of -40°C to 125°C
Surface mountable in a compact 8-SOIC package
Product Advantages
Low standby power consumption
Stable output with high PSRR
Integrated protection for overcurrent and high temperature
Suitable for harsh temperature environments
Key Technical Parameters
Input voltage up to 20V
Fixed output voltage of 5V
Dropout voltage: 0.8V @ 250mA
Output current capacity: 250mA
Quiescent current: 1 mA
Supply current: 6 mA
70dB ~ 55dB PSRR at 120Hz ~ 10kHz
Quality and Safety Features
Overcurrent protection
Thermal shutdown protection
Compatibility
Compatible with other electronic components and systems requiring a stable 5V supply
Application Areas
Low power electronic devices
Portable battery-powered equipment
Power management circuits
Product Lifecycle
Obsolete status
Consider sourcing replacements or evaluating upgrade options
Several Key Reasons to Choose This Product
High-efficiency power conversion
Low voltage operation suitable for battery-powered applications
Robust operation with integrated safety features
Supports a wide range of temperatures for versatile use
Compact mounting solution with 8-SOIC packaging
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