LMR38010FSDDAR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR38010FSDDAR is a synchronous buck converter from Texas Instruments featuring an 80V maximum input voltage and 1A continuous output current. It operates within a 4.2V to 80V input range, delivering adjustable output voltages from 1V to 75V. The device integrates a fixed 525kHz switching frequency with ultra-low 40µA quiescent current. It utilizes an SO-PowerPAD-8 package for efficient thermal management across a -40°C to +150°C operating temperature range.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side MOSFETs for synchronous rectification
• Includes built-in filtering and delay for accurate power good indication
• Supports pseudo-random spread spectrum to minimize electromagnetic interference
• Features precision enable functionality for direct wide VIN connection

Voltage Regulators - DC DC Switching Regulators Applications

• Wide input industrial applications
• MHEV/EV systems
• Battery-powered systems requiring low static current
• General-purpose DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix FSDDAR against the manufacturer datasheet to confirm pinout compatibility and thermal pad specifications. Ensure the ordering part number matches the required tape and reel quantity for production integration. Cross-reference the RoHS compliance status and humidity sensitivity classification prior to assembly planning. Confirm that the SO-PowerPAD-8 footprint aligns with the designated PCB layout guidelines.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring high input voltages up to 80V with moderate 1A output currents. The fixed 525kHz frequency simplifies external component selection compared to adjustable variants. Consider the integrated spread spectrum feature if EMI constraints are strict without additional filtering. The low quiescent current makes it suitable for battery-operated equipment where standby power consumption is critical.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SIMPLE SWITCHER family of regulators, designed for ease of use with minimal external components. It represents a solution for step-down conversion in environments with significant voltage fluctuations. The PowerPAD package enhances thermal performance relative to standard small outline packages, supporting reliable operation in compact industrial enclosures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR38010FDDAR: Identical electrical specifications with potential minor packaging or suffix variations.

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LMR38010FSDDAR support external clock synchronization?

No, the LMR38010FSDDAR variant features a fixed 525kHz switching frequency and does not support external clock synchronization.

What protection features are included in this converter?

The device includes cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown.