MAX640C/D Equivalent & Substitute Parts

Part Overview

The MAX640C/D is a switching regulator IC from Analog Devices Inc./Maxim Integrated, classified as a Power Management (PMIC) component. This device functions as a DC-DC converter for step-down voltage regulation applications. The MAX640C/D is currently listed as obsolete, making identification of functionally equivalent active alternatives essential for ongoing design support and procurement.

Substiute Parts

MAX640C/D

Analog Devices Inc./Maxim IntegratedIn Stock: 782MAX640C/D Datasheet

Current PartRFQ

MAX640ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 3304MAX640ESA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The MAX640ESA+ is identified as the manufacturer-recommended substitute for the MAX640C/D. Substitution eligibility is determined by the following criteria:

• Base Product Lineage: Both parts share the MAX640 base product number, indicating they belong to the same functional family within Analog Devices' switching regulator portfolio.
• Product Status Transition: The MAX640C/D (obsolete) is replaced by the MAX640ESA+ (active), ensuring continued availability and manufacturing support.
• Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying modern environmental and regulatory requirements.
• Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture handling requirements during storage and assembly.
• Functional Category: Both are classified as Power Management (PMIC) switching regulators, confirming functional equivalence within the DC-DC converter application space.

Parameter Comparison

Engineering Selection Recommendations

The MAX640ESA+ is the direct manufacturer-recommended substitute for the MAX640C/D. Selection of the MAX640ESA+ is supported by:

• Active Product Status: The MAX640ESA+ maintains active manufacturing status with established supply chains, whereas the MAX640C/D is obsolete and subject to inventory depletion.
• Regulatory Alignment: Both parts satisfy ROHS3 and REACH compliance requirements, ensuring compatibility with current procurement and environmental standards.
• Certification Continuity: Identical MSL ratings confirm equivalent handling and storage requirements, eliminating additional qualification steps for assembly processes.
• Manufacturer Endorsement: The substitution is explicitly designated by Analog Devices Inc./Maxim Integrated, the original equipment manufacturer.

Frequently Asked Questions (FAQ)

Q: Why is the MAX640C/D being phased out? A: The MAX640C/D is classified as obsolete. The MAX640ESA+ represents the active continuation of this product line from Analog Devices Inc./Maxim Integrated.

Q: Are the MAX640C/D and MAX640ESA+ electrically equivalent? A: Both parts share the MAX640 base product number and are classified within the same Power Management (PMIC) category as switching regulators. Substitution is manufacturer-recommended based on this functional equivalence.

Q: What are the packaging differences? A: The MAX640ESA+ is specified in 8-SOIC (0.154", 3.90mm Width) surface mount packaging. Packaging information for the MAX640C/D is not provided in the available data.

Q: Do both parts have the same moisture sensitivity requirements? A: Yes. Both the MAX640C/D and MAX640ESA+ carry MSL 1 (Unlimited) ratings, indicating identical moisture handling and storage requirements.

Q: Are there any compliance differences between these parts? A: No. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring equivalent regulatory standing for procurement and assembly.

Q: What is the current inventory status? A: The MAX640ESA+ has 3200 pieces of new original stock available. The MAX640C/D, being obsolete, should be considered end-of-life for new designs.