MAX759EWE Equivalent & Substitute Parts

Part Overview

The MAX759EWE is a Buck-Boost Switching Regulator IC manufactured by Analog Devices Inc./Maxim Integrated, designed for negative adjustable output applications. This component provides step-up/step-down voltage regulation with a single negative output capable of delivering 300mA. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement.

Substiute Parts

MAX759EWE

Analog Devices Inc./Maxim IntegratedIn Stock: 3878MAX759EWE Datasheet

Current PartRFQ

MAX759EWE+

Analog Devices Inc./Maxim IntegratedIn Stock: 1998MAX759EWE+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX759EWE is determined by strict equivalence across the following critical parameters:

• Topology & Function: Buck-Boost switching regulator with step-up/step-down capability
• Output Configuration: Negative adjustable output
• Electrical Specifications: Input voltage range 4V–11V, output range 0V to -15V, 300mA output current
• Switching Frequency: 185kHz operation
• Package: 16-SOIC form factor with identical pinout compatibility
• Operating Temperature: -40°C to 85°C range
• Mounting: Surface mount technology

The substitute part must maintain identical electrical performance and mechanical compatibility to ensure direct replacement without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

The MAX759EWE+ serves as the direct functional equivalent to the obsolete MAX759EWE. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all critical parameters.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX759EWE is classified as obsolete with RoHS non-compliant status, while the MAX759EWE+ maintains active product status and achieves ROHS3 compliance. For new designs or ongoing production requiring environmental regulation adherence, the MAX759EWE+ is the appropriate selection. Both parts maintain equivalent moisture sensitivity levels and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can MAX759EWE+ directly replace MAX759EWE in existing designs?

A: Yes. The MAX759EWE+ provides identical electrical performance and mechanical compatibility. Both components feature the same 16-SOIC package, pinout configuration, input/output voltage ranges, current rating, and switching frequency. No circuit modifications are required for substitution.

Q: What is the significance of the product status difference?

A: The MAX759EWE is classified as obsolete, indicating discontinued manufacturing and limited availability. The MAX759EWE+ maintains active production status, ensuring reliable long-term procurement and supply chain continuity.

Q: Does RoHS compliance affect electrical performance?

A: No. RoHS compliance relates to material composition and environmental standards, not electrical function. Both the RoHS non-compliant MAX759EWE and ROHS3 compliant MAX759EWE+ deliver identical performance specifications. Selection should be based on regulatory requirements applicable to your application and market.

Q: Are the packaging specifications identical?

A: Yes. Both parts use 16-SOIC (0.295", 7.50mm Width) surface mount packaging with identical pinout and footprint. PCB layout and component placement require no modification when substituting between these parts.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is valid when the following parameters match: Buck-Boost topology, negative adjustable output configuration, 4V–11V input range, 0V to -15V output range, 300mA output current, 185kHz switching frequency, and -40°C to 85°C operating temperature range.