MIC5239-1.5BMM Equivalent & Substitute Parts

Part Overview

The MIC5239-1.5BMM is a linear voltage regulator IC from Microchip Technology designed for positive fixed output applications. It delivers 500mA output current with a fixed 1.5V output and operates across an input voltage range up to 30V. The device integrates protection features including over-current, over-temperature, over-voltage, and reverse polarity protection, making it suitable for power management applications requiring regulated 1.5V rails.

The MIC5239-1.5BMM is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications utilizing this regulator.

Substiute Parts

MIC5239-1.5BMM

Microchip TechnologyIn Stock: 766MIC5239-1.5BMM Datasheet

Current PartRFQ

MIC5239-1.5YMM

Microchip TechnologyIn Stock: 2213MIC5239-1.5YMM Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MIC5239-1.5BMM are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Output voltage: Fixed 1.5V
• Output current capability: 500mA minimum
• Maximum input voltage: 30V or greater
• Package type: 8-MSOP surface mount
• Protection features: Over-current, over-temperature, over-voltage, and reverse polarity protection
• Operating temperature range: -40°C to 125°C minimum

The MIC5239-1.5YMM qualifies as a direct substitute, sharing identical electrical specifications and package configuration. The primary distinction is packaging format (Tube vs. Bulk) and product status (Active vs. Discontinued).

Parameter Comparison

Engineering Selection Recommendations

The MIC5239-1.5YMM is the direct substitute for the MIC5239-1.5BMM. Both devices share identical electrical performance specifications and mechanical compatibility. The MIC5239-1.5YMM is preferred for new designs and ongoing production due to its active product status and ROHS3 compliance certification. The MIC5239-1.5BMM's discontinued status and RoHS non-compliance status make the MIC5239-1.5YMM the appropriate selection for supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the MIC5239-1.5YMM directly replace the MIC5239-1.5BMM in existing designs?

A: Yes. Both parts are electrically and mechanically identical. They share the same output voltage (1.5V), output current (500mA), input voltage rating (30V max), dropout voltage (0.35V @ 500mA), quiescent current (45 µA), operating temperature range (-40°C to 125°C), and 8-MSOP package configuration. Pin-for-pin compatibility is maintained.

Q: What is the difference between the Bulk and Tube packaging formats?

A: Bulk packaging (MIC5239-1.5BMM) and Tube packaging (MIC5239-1.5YMM) differ in quantity per container and handling method. Tube packaging provides organized component arrangement suitable for automated assembly processes. Both formats contain identical die and electrical performance.

Q: Why is the MIC5239-1.5BMM discontinued?

A: The MIC5239-1.5BMM is discontinued at DiGi Electronics. The MIC5239-1.5YMM remains in active production and is the recommended alternative for continued supply availability.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance relates to material composition and environmental standards, not electrical performance. Both the RoHS non-compliant MIC5239-1.5BMM and ROHS3 compliant MIC5239-1.5YMM deliver identical electrical specifications and functional performance.

Q: Are there any thermal or reliability differences between these parts?

A: No. Both parts share identical operating temperature ranges (-40°C to 125°C), protection features (over-current, over-temperature, over-voltage, reverse polarity), and thermal characteristics. Reliability performance is equivalent.