MAX771CPA+ Equivalent & Substitute Parts

Part Overview

The MAX771CPA+ is a boost regulator positive output step-up DC-DC controller IC manufactured by Analog Devices Inc./Maxim Integrated. This through-hole 8-PDIP package device functions as a transistor driver for step-up topology power management applications with a single positive output phase. The product carries a "Not For New Designs" status, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

MAX771CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 948MAX771CPA+ Datasheet

Current PartRFQ

MAX771CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 948MAX771CPA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX771CPA+ is determined by strict alignment across the following critical parameters:

• Topology & Function: Boost (step-up) DC-DC controller with positive output configuration
• Output Architecture: Single output, single phase transistor driver
• Electrical Specifications: Supply voltage range 3V ~ 16.5V, switching frequency 300kHz
• Control Interface: Enable control feature
• Package Compatibility: 8-PDIP through-hole mounting (0.300", 7.62mm)
• Environmental & Compliance: Operating temperature 0°C ~ 70°C, ROHS3 compliant, REACH unaffected

The MAX771CPA+ represents the direct equivalent part. No alternative part numbers are listed in the provided substitute database that meet all specified electrical and mechanical parameters while maintaining functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MAX771CPA+ carries a "Not For New Designs" product status from Analog Devices Inc./Maxim Integrated. For legacy system support and component replacement, the MAX771CPA+ remains the specified part number. The device maintains ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements for industrial and commercial applications.

When sourcing this component, verify that replacement units maintain identical package configuration (8-PDIP through-hole), electrical specifications (3V ~ 16.5V supply, 300kHz switching frequency), and compliance certifications to ensure functional equivalence in boost regulator controller applications.

Frequently Asked Questions (FAQ)

Q: Why is the MAX771CPA+ marked "Not For New Designs"? A: This designation indicates the product is in mature or end-of-life status from the manufacturer. Existing systems using this controller may continue operation, but new circuit designs should evaluate current-generation alternatives from Analog Devices Inc./Maxim Integrated.

Q: What are the critical parameters for substituting the MAX771CPA+? A: Substitutes must match the boost topology function, positive output configuration, single-phase architecture, 3V ~ 16.5V supply voltage range, 300kHz switching frequency, 8-PDIP package, and 0°C ~ 70°C operating temperature range.

Q: Is the 8-PDIP package critical for compatibility? A: Yes. The through-hole 8-DIP (0.300", 7.62mm) package is mechanically and electrically specified. PCB layout, pin spacing, and mounting method depend on this package configuration. Surface-mount alternatives require circuit board redesign.

Q: Does the MAX771CPA+ support synchronous rectification? A: No. This controller does not include integrated synchronous rectifier functionality. External rectification components are required in the boost converter topology.

Q: What compliance certifications apply to the MAX771CPA+? A: The device is ROHS3 compliant and REACH unaffected, meeting current environmental regulations for industrial component use.