LMR14050SDDA

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14050SDDA is a SIMPLE SWITCHER step-down regulator from Texas Instruments, housed in an 8-SO-PowerPAD package. It supports a 4V to 40V input range and delivers up to 5A output current with adjustable voltage from 800mV to 28V. The device features a 200kHz to 2.5MHz switching frequency and operates between -40°C and +125°C. Key electrical parameters include a 40µA typical quiescent current and 92% peak efficiency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck converter topology for high-efficiency power conversion
• Adjustable switching frequency allows optimization for size or performance requirements
• Built-in protection mechanisms including overcurrent protection and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Video transmission equipment requiring stable power regulation
• Industrial control systems operating within automotive temperature ranges
• Embedded computing platforms needing compact DC-DC solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SDDA' against the manufacturer's official documentation to ensure correct pinout and thermal pad configuration. Confirm that the SO-PowerPAD-8 package matches your PCB footprint requirements. Check for AEC-Q100 qualification status if automotive reliability standards are mandatory for your application design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 5A continuous current capability is required within a 40V input limit. The wide switching frequency range enables flexibility in passive component selection. Ensure the thermal design accommodates the PowerPAD package dissipation needs at maximum load conditions to maintain reliable operation across the specified temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR14050 family of SIMPLE SWITCHER regulators. It shares architectural similarities with variants like the LMR14030 and LMR14020 but provides higher current capacity. The series is designed for applications demanding high efficiency and compact form factors in power management circuits.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14050SDDAR is a reel-packaged equivalent offering identical electrical specifications. LMR14050SSQDDARQ1 is the automotive-grade variant suitable for qualified environments. Verify package compatibility and lead availability before substitution.