Manufacturer Part Number
LMR36503MSC3RPERQ1
Manufacturer
Texas Instruments
Introduction
The LMR36503MSC3RPERQ1 is a step-down (buck) regulator from Texas Instruments, designed to deliver a fixed output from a wide input voltage range.
Product Features and Performance
Step-Down (Buck) topology
Fixed output voltage
High Input Voltage capability up to 65V
Output Current capability of 300mA
High switching frequency of 2.2MHz
Incorporates Synchronous Rectifier for efficiency enhancement
Product Advantages
Highly efficient power conversion
Compact 9-VFQFN package suitable for space-constrained applications
Robust operating temperature range of -40°C to 125°C
Key Technical Parameters
Voltage - Input (Min): 3V
Voltage - Input (Max): 65V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 300mA
Frequency - Switching: 2.2MHz
Operating Temperature: -40°C ~ 125°C (TA)
Quality and Safety Features
Automotive Grade product
AEC-Q100 qualification ensures reliability in automotive applications
Compatibility
Surface mount, Wettable Flank mounting type
Compatible with 9-VQFN-HR (2x2) device package
Application Areas
Automotive power supply systems
Portable electronics
Industrial power systems
Product Lifecycle
Currently active product
Not nearing discontinuation
Future replacements or upgrades are available
Several Key Reasons to Choose This Product
Wide input range accommodating varying power supplies
High frequency allows for smaller component size, reducing overall design footprint
Synchronous rectification enhances efficiency, reducing thermal and power losses
Automotive qualification ensures high reliability and robustness under harsh conditions
Ready for integration in surface-mount technology (SMT) processes, facilitating easier manufacturing and assembly
