Manufacturer Part Number
L4931ABDT33
Manufacturer
STMicroelectronics
Introduction
Low Drop Out linear voltage regulator for power management applications
Product Features and Performance
Low dropout voltage: 0.8V @ 250mA
Fixed output voltage: 3.3V
Output current capability: 250mA
Quiescent current: 1 mA
Supply current: Maximum 6 mA
Good power supply rejection ratio: 73dB at 120Hz to 55dB at 10kHz
Operating temperature range: -40°C to 125°C
Surface mount package type
Product Advantages
High noise rejection for stable operation
Low quiescent current for power saving
Over Current and Over Temperature protection for safety and reliability
Wide operating temperature range suitable for harsh environments
Key Technical Parameters
Input Voltage (Max): 20V
Output Voltage (Fixed): 3.3V
Current - Output: 250mA
Voltage Dropout (Max): 0.8V
PSRR: 73dB ~ 55dB (120Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current protection
Over Temperature protection
Compatibility
Compatible with a variety of applications requiring a stable 3.3V supply
Application Areas
Suitable for electronic devices and systems requiring efficient power regulation
Product Lifecycle
Obsolete status - check for replacements or upgrades
Key Reasons to Choose This Product
Optimized for low voltage operations
Suitable for battery-powered applications
Enhanced thermal performance with DPAK package
High reliability with built-in protection features
Low dropout suitable for low headroom applications
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