MAX663EPA+ Equivalent & Substitute Parts

Part Overview

The MAX663EPA+ is a linear voltage regulator IC from Analog Devices Inc./Maxim Integrated designed for positive adjustable (fixed) output applications. This through-hole 8-DIP package device delivers 40mA output current with a maximum dropout voltage of 0.9V at rated load. The part is actively produced and widely used in power management circuits requiring low-current regulation with adjustable output voltage capability. Finding equivalent parts becomes necessary when addressing supply chain constraints, inventory availability, or specific procurement requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

MAX663EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2178MAX663EPA+ Datasheet

Current PartRFQ

MAX663EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2178MAX663EPA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX663EPA+ is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define valid substitution:

• Package Compatibility: 8-DIP (0.300", 7.62mm) through-hole mounting only
• Electrical Performance: Positive output configuration, adjustable (fixed) output type, 40mA output current capability
• Voltage Specifications: Input maximum 16.5V, output range 1.3V to 16V, dropout voltage maximum 0.9V @ 40mA
• Control & Protection: Current limit and enable features required
• Environmental Compliance: ROHS3 compliance, MSL Level 1, operating temperature -40°C ~ 85°C
• Product Status: Active production status

Based on the provided input data, the MAX663EPA+ is identified as both the main part and the direct substitute, indicating no alternative parts are specified in the substitute list.

Parameter Comparison

Engineering Selection Recommendations

The MAX663EPA+ maintains active production status with full ROHS3 compliance and MSL Level 1 rating, ensuring unrestricted moisture handling and long-term availability. Selection of this part or its direct equivalent is appropriate for applications requiring positive linear regulation at 40mA output current with adjustable voltage capability in through-hole 8-DIP packages. The device's current limit and enable control features support flexible power management architectures across industrial, consumer, and embedded system applications operating within the -40°C to 85°C temperature range.

Frequently Asked Questions (FAQ)

Q: What makes a part a valid substitute for the MAX663EPA+? A: A valid substitute must match all electrical specifications (40mA output, 16.5V maximum input, 1.3V to 16V output range, 0.9V maximum dropout), maintain identical package geometry (8-DIP through-hole), include current limit and enable control features, and comply with ROHS3 and MSL Level 1 requirements.

Q: Can I use a different package type as a substitute? A: No. The MAX663EPA+ is specified for 8-DIP (0.300", 7.62mm) through-hole mounting. Different package types (surface mount, different pin counts, or different pitch) are not compatible substitutes and require circuit board redesign.

Q: Are there output current variations of the MAX663EPA+? A: The MAX663EPA+ is rated for 40mA output current. Parts with different current ratings (such as 100mA or 250mA variants) are not direct substitutes and may require circuit modifications including different external component values.

Q: What is the significance of the adjustable (fixed) output type? A: This designation indicates the MAX663EPA+ can be configured for either adjustable output voltage (using external resistor dividers) or fixed output voltage operation. Substitutes must support both configuration modes identically.

Q: Does the MAX663EPA+ require external components? A: Yes. Linear regulators require external capacitors for input and output filtering. Specific component values depend on the configured output voltage and application requirements, as defined in the device datasheet.

Q: Is the MAX663EPA+ suitable for new designs? A: Yes. The part maintains active production status, ensuring continued availability and supply chain stability for new product development and long-term production runs.