MAX5081ATE+ Equivalent & Substitute Parts

Part Overview

The MAX5081ATE+ is an active buck switching regulator IC manufactured by Analog Devices Inc./Maxim Integrated. This positive adjustable step-down converter delivers 1A output current with an input voltage range of 7.5V to 40V and adjustable output voltage from 1.23V to 32V. The device operates at a fixed switching frequency of 250kHz and is housed in a 16-WQFN exposed pad surface mount package. The MAX5081ATE+ is classified as an active product with full ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), making it suitable for industrial and commercial power management applications where alternative sourcing or inventory management requires equivalent component identification.

Substiute Parts

MAX5081ATE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1714MAX5081ATE+ Datasheet

Current PartRFQ

MAX5081ATE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1714MAX5081ATE+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX5081ATE+ is determined by strict alignment with the following critical parameters:

• Topology & Function: Buck (step-down) converter with positive adjustable output configuration
• Electrical Performance: Input voltage range 7.5V to 40V, output voltage adjustability from 1.23V to 32V, 1A output current capability
• Switching Frequency: 250kHz fixed frequency operation
• Package Compatibility: 16-pin WQFN with exposed pad, 5x5mm footprint, surface mount configuration
• Thermal & Environmental: Operating temperature range -40°C to 125°C, MSL 1 rating
• Compliance: ROHS3 compliance and active product status

Only components meeting all these criteria across electrical specifications, package dimensions, and regulatory compliance are considered direct substitutes. The MAX5081ATE+ currently represents the direct equivalent within this specification set.

Parameter Comparison

Engineering Selection Recommendations

The MAX5081ATE+ is an active product with full ROHS3 compliance and unlimited moisture sensitivity rating, qualifying it for deployment in standard industrial and commercial environments without additional environmental controls. The component's active status ensures continued manufacturer support and availability through authorized distribution channels. Selection of this part is appropriate for applications requiring a 1A buck converter with wide input voltage tolerance (7.5V to 40V) and adjustable output voltage capability within the 1.23V to 32V range. The 16-WQFN package with exposed pad provides thermal management suitable for continuous operation across the -40°C to 125°C temperature range. Compliance certifications (ROHS3, REACH unaffected) confirm suitability for regulated markets and applications with environmental compliance requirements.

Frequently Asked Questions (FAQ)

Q: What defines a direct substitute for the MAX5081ATE+?

A: A direct substitute must match all critical parameters: buck topology with positive adjustable output, 7.5V to 40V input range, 1.23V to 32V output range, 1A output current, 250kHz switching frequency, 16-WQFN exposed pad package (5x5mm), surface mount configuration, and -40°C to 125°C operating temperature. ROHS3 compliance and MSL 1 rating are required for regulatory equivalence.

Q: Is the MAX5081ATE+ suitable for high-temperature applications?

A: The MAX5081ATE+ operates across -40°C to 125°C junction temperature range. Applications requiring operation beyond 125°C require alternative components with extended temperature specifications.

Q: Can the MAX5081ATE+ be used in moisture-sensitive environments?

A: The MAX5081ATE+ carries MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. The component is suitable for standard storage and handling conditions without special desiccant packaging or bake-out procedures.

Q: What is the significance of the exposed pad in the 16-WQFN package?

A: The exposed pad provides direct thermal connection to the substrate, enabling efficient heat dissipation during high-current operation. This feature is essential for maintaining junction temperature within specification during sustained 1A output delivery.

Q: Does the MAX5081ATE+ include synchronous rectification?

A: No. The MAX5081ATE+ uses asynchronous rectification. Applications requiring synchronous rectification for improved efficiency at lower output voltages require alternative controller architectures.

Q: What compliance certifications apply to the MAX5081ATE+?

A: The MAX5081ATE+ is ROHS3 compliant and REACH unaffected. These certifications confirm compliance with European environmental and hazardous substance regulations applicable to electronic components.