Manufacturer Part Number
LMR36503MSC5RPERQ1
Manufacturer
Texas Instruments
Introduction
Automotive, step-down DC/DC converter
Product Features and Performance
High-efficiency buck regulator
Input voltage range: 3V to 65V
Fixed 5V output voltage
300mA output current
2MHz switching frequency
Synchronous rectification for improved efficiency
Temperature range: -40°C to 125°C
Compatible with automotive applications
Surface mount package with wettable flanks
AEC-Q100 qualified
Product Advantages
Wide input voltage range suitable for various applications
High-frequency operation allows the use of small external components
Fixed output simplifies design
Thermal performance suitable for harsh environments
Synchronous rectification for higher efficiency
Key Technical Parameters
Number of Outputs: 1
Topology: Buck
Output Type: Fixed
Frequency - Switching: 2.2MHz
Voltage - Input (Min): 3V
Voltage - Input (Max): 65V
Voltage - Output (Min/Fixed): 5V
Current - Output: 300mA
Quality and Safety Features
Operational temperature range: -40°C to 125°C
Qualification: AEC-Q100 for reliable automotive use
Over-temperature and over-current protection
Compatibility
Surface Mount, Wettable Flank for improved solderability and inspection
Grade: Automotive
Package / Case: 9-VFQFN
Application Areas
Automotive electronics
Industrial applications
Power conditioning
Battery-powered devices
Consumer electronics
Product Lifecycle
Status: Active
Not nearing discontinuation
Replacements or upgrades likely available due to active status
Several Key Reasons to Choose This Product
Highly efficient power conversion extends battery life
Reduces thermal footprint with integrated synchronous rectifier
Versatile wide input voltage range accommodates diverse power sources
Compact size 9-VQFN-HR (2x2) package saves PCB space
Designed for robust automotive applications, ensuring reliability in a vehicle environment
High switching frequency allows for small external components, minimizing design footprint
AEC-Q100 qualification guarantees automotive industry standards compliance
