MAX20406AFOB/VY+

Voltage Regulators - DC DC Switching Regulators Overview

The MAX20406AFOB/VY+ is a fully integrated synchronous buck converter from the MAX20404/05/06 family, designed for automotive applications with AEC-Q100 qualification. It operates within an input voltage range of 3 V to 36 V and delivers up to 6 A output current. The device features a fixed 3.3 V output and supports a switching frequency of 2.1 MHz. It maintains a low quiescent current of 10 uA and functions reliably across an extended temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fully integrated synchronous buck topology with internal high-side and low-side power switches
• Automotive-grade reliability certified under AEC-Q100 standards
• Low quiescent current operation for enhanced efficiency in standby modes
• Compact surface-mount packaging with wettable flanks for improved inspection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Instrument cluster power distribution
• ADAS sensor node regulation
• Body control module DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or direct manufacturer channels. Confirm lot traceability and AEC-Q100 certification documentation prior to integration. Check for specific suffix variations that may indicate different thermal or electrical grades. Ensure storage conditions comply with moisture sensitivity level requirements to prevent package damage during reflow soldering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 3.3 V output at 6 A is required in space-constrained automotive designs. The 2.1 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the FC2QFN-17 package dimensions for PCB layout constraints. Evaluate thermal performance based on expected ambient temperatures and board copper area availability.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the MAX2040x series of high-efficiency synchronous buck converters. The series includes variants with different output currents and switching frequencies, such as the MAX20404 (4 A) and MAX20405 (5 A). All members share similar pinouts and control architectures, facilitating design scalability across multiple product lines within the same automotive platform.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include MAX20404AFOB/VY+ and MAX20405AFOB/VY+ for lower current requirements. Verify compatibility with existing PCB footprints and thermal management strategies when transitioning between these family members.