LMR38010FDDAR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR38010FDDAR is a synchronous buck converter from the SIMPLE SWITCHER family, manufactured by Texas Instruments. It operates with an input voltage range of 4.2 V to 80 V and delivers a continuous output current of 1 A. The adjustable output voltage spans from 1 V to 75 V. The device supports a switching frequency between 200 kHz and 2.2 MHz and features a typical quiescent current of 40 µA. It is housed in an 8-SO-PowerPAD package and functions within a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side MOSFETs enable wide input voltage operation up to 80 V while minimizing external surge suppression components.
• Configurable switching frequency allows optimization for efficiency or EMI performance, with options for pseudo-random spread spectrum.
• Precision enable functionality provides flexible system startup control and direct connection to wide input voltage ranges.
• Built-in protection mechanisms include cycle-by-cycle current limiting, hiccup mode short-circuit protection, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power systems requiring robust regulation across varying input conditions
• Motorized hybrid electric vehicle (MHEV) and electric vehicle (EV) subsystems
• Telecommunications and data communication equipment power supplies
• General-purpose wide input voltage regulation circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'F' against the manufacturer's official documentation to confirm functional differences, as ordering suffixes may indicate variations in tape-and-reel specifications or environmental ratings rather than electrical changes. Ensure compatibility with required humidity sensitivity levels and lead-free manufacturing standards before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems that demand high input voltage tolerance combined with low standby power consumption. The adjustable frequency feature makes it suitable for applications needing to avoid specific noise bands or optimize electromagnetic interference. Consider the 8-SO-PowerPAD package constraints regarding thermal dissipation requirements for the target load current.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR38010 series of SIMPLE SWITCHER regulators, designed for high-efficiency DC-DC conversion. The series targets industrial and automotive markets, offering integrated solutions that reduce bill-of-materials complexity. The FDDAR variant specifically denotes the surface-mount packaging configuration used for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR38010SDDAR is a documented substitute within the same product family. Verify pinout compatibility and thermal characteristics when transitioning between variants to ensure circuit integrity without schematic modifications.