MAX772ESA+ Equivalent & Substitute Parts

Part Overview

The MAX772ESA+ is a boost regulator positive output step-up DC-DC controller IC manufactured by Analog Devices Inc./Maxim Integrated. This 8-SOIC surface mount device functions as a transistor driver for step-up topology power management applications with a single positive output phase. The part is classified as not for new designs, making identification of equivalent alternatives essential for ongoing production support and legacy system maintenance.

Substiute Parts

MAX772ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2538MAX772ESA+ Datasheet

Current PartRFQ

MAX772ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2538MAX772ESA+ Datasheet

DirectRFQ

MAX770ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1516MAX770ESA+ Datasheet

Parametric EquivalentRFQ

MAX771ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2124MAX771ESA+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX772ESA+ is determined by strict alignment across the following critical parameters:

• Topology & Function: Boost regulator with step-up positive output configuration
• Output Architecture: Single output, single phase transistor driver
• Electrical Specifications: Supply voltage range 3V ~ 16.5V, switching frequency 300kHz
• Package Compatibility: 8-SOIC surface mount form factor (0.154", 3.90mm width)
• Environmental & Compliance: Operating temperature -40°C ~ 85°C, ROHS3 compliance, MSL 1

The MAX770ESA+ and MAX771ESA+ meet all critical parameter requirements and are classified as parametric equivalents. Both devices maintain identical electrical specifications, package geometry, and compliance certifications as the MAX772ESA+.

Parameter Comparison

Engineering Selection Recommendations

MAX770ESA+: This part is a direct parametric equivalent to the MAX772ESA+. Both devices share identical electrical specifications, package geometry, and compliance certifications. The MAX770ESA+ is classified as not for new designs, matching the status of the primary part. Selection of this substitute maintains full compatibility with existing designs and PCB layouts.

MAX771ESA+: This part is a parametric equivalent with all critical electrical and mechanical parameters matching the MAX772ESA+. A key distinction is that the MAX771ESA+ maintains active product status, indicating ongoing manufacturer support and availability. This part is suitable for applications requiring long-term supply chain stability and manufacturer support continuity.

Both substitutes are ROHS3 compliant with MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can MAX770ESA+ and MAX771ESA+ be used interchangeably with MAX772ESA+ in existing designs?

A: Yes. All three parts share identical electrical specifications, package geometry (8-SOIC), supply voltage range (3V ~ 16.5V), switching frequency (300kHz), and operating temperature range (-40°C ~ 85°C). Pin-to-pin compatibility and functional equivalence are maintained across all three devices.

Q: What is the difference between MAX770ESA+ and MAX771ESA+?

A: The primary difference is product status. MAX770ESA+ is classified as not for new designs, while MAX771ESA+ maintains active status. Both parts are electrically and mechanically identical. MAX771ESA+ is recommended for applications requiring extended manufacturer support and supply chain assurance.

Q: Are there packaging differences between these parts?

A: All three parts use the 8-SOIC surface mount package with identical dimensions (0.154", 3.90mm width). No PCB layout modifications are required when substituting between these parts.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. MAX770ESA+, MAX771ESA+, and MAX772ESA+ are all ROHS3 compliant with MSL 1 rating. All parts are REACH unaffected and carry the same ECCN (EAR99) and HTSUS (8542.31.0001) classifications.

Q: Which substitute should be selected for new production?

A: MAX771ESA+ is the recommended choice for new production due to its active product status, ensuring ongoing manufacturer support, documentation availability, and supply chain continuity.