MAX887HESA+

Voltage Regulators - DC DC Switching Regulators Overview

The MAX887HESA+ is a low-noise, step-down switching voltage regulator manufactured by Analog Devices Inc./Maxim Integrated. It operates with an input voltage range of 3.5 V to 11 V and provides a fixed output current capability of 600 mA. The device utilizes a buck topology and features a switch frequency of 300 kHz. It supports adjustable output voltages from 1.25 V to 10.5 V. The component includes shutdown functionality and exhibits a load regulation of 0.0005 %/mA. It is housed in an SOIC-8 surface-mount package and is rated for operation between -40°C and +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a low-noise buck converter topology for efficient step-down voltage regulation
• Supports adjustable output voltage settings within a wide operational range
• Includes dedicated shutdown control pin for power management optimization

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring stable voltage conversion
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
• General-purpose DC-DC conversion in industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'HESA+' against official Analog Devices documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the SOIC-8 configuration. Cross-reference lead times and availability status directly with authorized distributors, as supply conditions may vary. Confirm RoHS compliance requirements match project specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher input voltages down to lower logic or analog levels. The 300 kHz switching frequency allows for smaller external inductors and capacitors compared to lower-frequency alternatives. Consider the 600 mA output limit to ensure it meets the peak current demands of the target load without exceeding thermal limits in the SOIC-8 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX887 series of switching regulators designed for space-constrained applications. It represents Maxim Integrated's approach to combining high efficiency with low electromagnetic interference in a small footprint. The series targets designs where board real estate is limited but stable power delivery is critical for system reliability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible upgrades within the MAX887 family. Verify if alternative buck converters from other manufacturers offer similar 600 mA ratings and 300 kHz frequencies. Ensure any substitute maintains the same SOIC-8 package dimensions and thermal characteristics.