Manufacturer Part Number
LDK130M12R
Manufacturer
STMicroelectronics
Introduction
Low dropout regulator designed for power management in automotive and other applications
Product Features and Performance
Positive fixed output voltage regulator
Maximum input voltage of 5.5V
Fixed output voltage of 1.2V
Low dropout voltage of 0.4V at 300mA load
Output current capability of 300mA
Low quiescent current of 60 µA
Power supply rejection ratio (PSRR) of 55dB from 120Hz to 10kHz
Enable control feature
Product Advantages
High efficiency due to low dropout voltage
Stable output with good PSRR characteristics
Low ground current enhancing battery life
Enable function for power-saving mode
Overcurrent and over-temperature protection for safety
AEC-Q100 qualified for automotive reliability
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 1.2V
Current - Output: 300mA
Voltage Dropout (Max): 0.4V @ 300mA
Quiescent Current (Iq): 60 µA
Supply Current (Max): 120 µA
PSRR: 55dB (120Hz ~ 10kHz)
Operating Temperature range: -40°C ~ 125°C
Quality and Safety Features
Overcurrent protection
Over-temperature protection
Compatibility
Automotive grade compliance with AEC-Q100 qualification
Surface mount SC-74A, SOT-753 package for PCBs
Application Areas
Automotive electronics
Power management for battery-powered devices
Industrial control systems
Telecommunication equipment
Product Lifecycle
Active status product
Not nearing discontinuation; replacements and upgrades are likely available
Several Key Reasons to Choose This Product
Proven reliability for automotive and high-temperature environments
Energy saving with low dropout and low quiescent current
Built-in safety features including overcurrent and over-temperature protection
Compliance with stringent industry standards (AEC-Q100)
Convenient surface mount packaging for modern circuit board design