Manufacturer Part Number
L4940D2T12-TR
Manufacturer
STMicroelectronics
Introduction
Low drop-out voltage regulator designed for power management applications
Product Features and Performance
Low dropout voltage: 0.9V at 1.5A load
Fixed output voltage: 12V
Output current capability: 1.5A
Quiescent current: 8 mA
Supply current, max: 50 mA
High PSRR: 61dB at 120Hz
Product Advantages
Stable performance over a wide range of input voltages
High power supply ripple rejection
Robust protection features against over-temperature, reverse polarity, and short circuits
Suitable for high-temperature operations up to 150°C
Key Technical Parameters
Input voltage, max: 17V
Number of regulators: 1
Current - Output: 1.5A
Current - Quiescent (Iq): 8 mA
Voltage Dropout (max): 0.9V at 1.5A load
PSRR: 61dB at 120Hz
Quality and Safety Features
Over Temperature protection
Reverse Polarity protection
Short Circuit protection
Compatibility
Surface Mount mounting type
Compatible with TO-263-3, D2PAK (2 Leads + Tab), TO-263AB packages
Application Areas
Power management in consumer electronics, automotive, industrial, and telecom systems
Product Lifecycle
Active status with continued manufacturer support
Reasons to Choose This Product
Reliable voltage regulation with low dropout feature
Ability to operate efficiently in challenging temperature environments
High output current of 1.5A suitable for demanding applications
Integration of multiple protection features for enhanced safety
Offered in a robust D2PAK package for excellent thermal performance
L4940V12/Z4STMicroelectronics
L4940TSNS