MAX5014CSA+ Equivalent & Substitute Parts

Part Overview

The MAX5014CSA+ is a flyback regulator controller IC manufactured by Analog Devices Inc./Maxim Integrated, designed for positive, isolation-capable output step-up/step-down DC-DC applications. This device operates as a transistor driver with a single output phase and is housed in an 8-SOIC surface mount package.

The MAX5014CSA+ carries a "Not For New Designs" product status, indicating that Analog Devices has discontinued active development and support for this component. Organizations requiring this functionality in new designs or seeking alternatives for existing applications should evaluate substitute components that maintain compatibility with the specified electrical and mechanical parameters.

Substiute Parts

MAX5014CSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1060MAX5014CSA+ Datasheet

Current PartRFQ

MAX5014CSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1060MAX5014CSA+ Datasheet

DirectRFQ

MAX17499BAUB+

Analog Devices Inc./Maxim IntegratedIn Stock: 2283MAX17499BAUB+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX5014CSA+ must be evaluated based on strict alignment of electrical and mechanical parameters. The primary substitute identified is the MAX17499BAUB+, which shares the same manufacturer and regulatory compliance profile.

Substitution compatibility is determined by the following key parameters:

• Topology classification (Flyback, Boost, SEPIC)
• Output configuration (Positive, Isolation Capable)
• Output type (Transistor Driver)
• Supply voltage range compatibility
• Switching frequency capability
• Maximum duty cycle rating
• Package form factor and mounting type
• Control feature availability
• Operating temperature range
• Regulatory compliance (RoHS3, REACH, ECCN)

The MAX17499BAUB+ operates across multiple topologies (Boost, SEPIC) with a wider supply voltage range (9.5V ~ 24V) and extended operating temperature range (-40°C ~ 125°C), providing functional overlap with the MAX5014CSA+ within specified parameter boundaries.

Parameter Comparison

Engineering Selection Recommendations

The MAX5014CSA+ is designated "Not For New Designs" by the manufacturer, indicating end-of-life status. The MAX17499BAUB+ carries "Active" product status, ensuring ongoing manufacturer support, availability, and compliance updates.

Both components maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating, satisfying regulatory requirements for industrial and commercial applications. The MAX17499BAUB+ provides extended operating temperature coverage (-40°C ~ 125°C versus 0°C ~ 70°C), supporting deployment in wider environmental conditions.

Selection between these components depends on application-specific requirements regarding topology flexibility, supply voltage range, and thermal operating envelope. The MAX17499BAUB+ supports Boost and SEPIC topologies with programmable switching frequency (50kHz ~ 2.5MHz), whereas the MAX5014CSA+ is fixed at 275kHz flyback operation. Package differences (8-SOIC versus 10-TFSOP/10-MSOP) require PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can the MAX17499BAUB+ directly replace the MAX5014CSA+ without circuit modification?

A: Direct pin-for-pin replacement is not possible due to package differences (8-SOIC versus 10-TFSOP/10-MSOP) and topology variations. Circuit redesign is required to accommodate the MAX17499BAUB+ topology options and pin configuration.

Q: What are the key electrical differences between these components?

A: The MAX5014CSA+ operates exclusively in flyback topology at 275kHz with 13V ~ 36V supply range and 85% maximum duty cycle. The MAX17499BAUB+ supports Boost and SEPIC topologies with programmable switching frequency (50kHz ~ 2.5MHz), 9.5V ~ 24V supply range, and 75% maximum duty cycle. Supply voltage overlap exists between 13V and 24V.

Q: Does the MAX17499BAUB+ maintain isolation capability?

A: Yes, the MAX17499BAUB+ is specified for positive, isolation-capable output configuration, matching the MAX5014CSA+ isolation characteristics.

Q: Are both components RoHS3 compliant?

A: Yes, both the MAX5014CSA+ and MAX17499BAUB+ are ROHS3 compliant with MSL 1 rating and REACH unaffected status.

Q: What is the impact of the extended operating temperature range of the MAX17499BAUB+?

A: The MAX17499BAUB+ supports -40°C ~ 125°C (junction temperature) compared to the MAX5014CSA+ 0°C ~ 70°C (ambient temperature), enabling deployment in industrial and automotive environments requiring wider thermal operating margins.

Q: How does the switching frequency difference affect circuit design?

A: The MAX5014CSA+ operates at fixed 275kHz, while the MAX17499BAUB+ provides programmable frequency from 50kHz to 2.5MHz. This flexibility allows optimization for specific transformer and filter component sizing but requires frequency configuration during circuit design.