Manufacturer Part Number
L4993MDTR
Manufacturer
STMicroelectronics
Introduction
The L4993MDTR is a low dropout linear voltage regulator designed for automotive applications.
Product Features and Performance
Positive output configuration
Fixed output voltage of 5V
Single channel regulator
Maximum voltage dropout of 0.4V at 150mA load
Stable 150mA output current
Low quiescent current of 125µA
Supply current up to 2mA
Good power supply rejection ratio of 55dB at 100Hz
Includes reset and watchdog control features
Protection against over temperature and short circuits
Operational temperature range from -40°C to 150°C
Product Advantages
High reliability for automotive use
Robust against temperature variations
AEC-Q100 qualification ensures standard compliance
Low dropout voltage extends battery life
Key Technical Parameters
Input Voltage (Max): 31V
Output Voltage (Min/Fixed): 5V
Current - Output: 150mA
Voltage Dropout (Max): 0.4V @ 150mA
Current - Quiescent (Iq): 125µA
Current - Supply (Max): 2mA
PSRR: 55dB (100Hz)
Quality and Safety Features
AEC-Q100 qualified for automotive standards
Over Temperature Protection
Short Circuit Protection
Compatibility
Surface mount compatible
20-SOIC package fits standard PCB layouts
Application Areas
Automotive systems
Power management solutions
Electronic control units (ECUs)
Product Lifecycle
Product status is active
No indication of near discontinuation
Replacement or upgrade options available if necessary
Several Key Reasons to Choose This Product
Designed specifically for demanding automotive applications
Low power consumption suitable for battery-operated circuits
High PSRR to ensure clean power delivery
Comprehensive protection features increase system reliability
AEC-Q100 certification for guaranteed performance in automotive conditions
Easily integrated into existing designs thanks to standard package type