MIC5200-3.0BS TR Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The MIC5200-3.0BS TR is a linear voltage regulator IC from Microchip Technology designed for positive fixed 3V output applications with 100mA current capacity in SOT-223-3 surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The MIC5200-3.0BS TR provides basic voltage regulation with over-current and over-temperature protection across an operating temperature range of -40°C to 125°C.

Substiute Parts

MIC5200-3.0BS TR

Microchip TechnologyIn Stock: 837MIC5200-3.0BS TR Datasheet

Current PartRFQ

MIC5200-3.0YS-TR

Microchip TechnologyIn Stock: 3736MIC5200-3.0YS-TR Datasheet

DirectRFQ

LT1521CST-3#PBF

Analog Devices Inc.In Stock: 2020LT1521CST-3#PBF Datasheet

MFR RecommendedRFQ

LT1521CST-3#TRPBF

Analog Devices Inc.In Stock: 1641LT1521CST-3#TRPBF Datasheet

MFR RecommendedRFQ

LT1521IST-3#PBF

Analog Devices Inc.In Stock: 790LT1521IST-3#PBF Datasheet

MFR RecommendedRFQ

LT1521IST-3#TRPBF

Analog Devices Inc.In Stock: 2112LT1521IST-3#TRPBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MIC5200-3.0BS TR is determined by the following critical parameters:

Primary Substitution Criteria:

• Fixed output voltage of 3V
• SOT-223-3 package compatibility
• Surface mount mounting type
• Positive output configuration
• Single regulator output

Secondary Compatibility Factors:

• Output current capacity (minimum 100mA required)
• Input voltage rating (minimum 26V required)
• Operating temperature range overlap
• Protection features (over-current and over-temperature)

Substitute parts are grouped into two categories: direct equivalents from Microchip Technology and manufacturer-recommended alternatives from Analog Devices Inc. Direct equivalents maintain identical electrical specifications with improved product status. Manufacturer-recommended alternatives provide enhanced performance characteristics including higher output current capacity (300mA), lower quiescent current (25 µA), and additional protection features.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Microchip Technology): MIC5200-3.0YS-TR is the direct active equivalent to the obsolete MIC5200-3.0BS TR. This part maintains identical electrical specifications and package format while offering active product status and ROHS3 compliance. Selection of this part ensures design continuity with no circuit modifications required.

Manufacturer-Recommended Alternatives (Analog Devices Inc.): The LT1521 series from Analog Devices provides enhanced performance characteristics suitable for applications requiring higher output current capacity or improved efficiency. These parts are available in both tube and tape & reel packaging formats with active product status and ROHS3 compliance.

LT1521CST-3#TRPBF and LT1521IST-3#TRPBF are recommended for tape & reel procurement requirements. LT1521IST-3#TRPBF extends the operating temperature range to -40°C ~ 125°C, matching the original part specification. LT1521CST-3#PBF and LT1521IST-3#PBF are available in tube packaging for lower-volume applications.

All substitute parts meet the core functional requirements of 3V fixed output voltage in SOT-223-3 packaging with surface mount compatibility. Selection between direct equivalents and manufacturer-recommended alternatives depends on output current requirements, input voltage constraints, and packaging format needs.

Frequently Asked Questions (FAQ)

Q: Can LT1521 series parts directly replace the MIC5200-3.0BS TR without circuit modifications?

A: Yes, all listed substitute parts are pin-compatible in SOT-223-3 packaging and maintain the same 3V fixed output voltage. No circuit modifications are required for functional substitution. However, the LT1521 series offers higher output current capacity (300mA vs 100mA), which may require thermal management evaluation in existing designs.

Q: What is the key difference between MIC5200-3.0YS-TR and the LT1521 series?

A: MIC5200-3.0YS-TR is a direct equivalent maintaining 100mA output current and 0.35V dropout voltage. The LT1521 series provides 300mA output current, lower quiescent current (25 µA vs 350 µA), and additional reverse polarity protection. The LT1521 series has a lower maximum input voltage rating of 20V compared to 26V for the MIC5200 series.

Q: What is the difference between tube and tape & Reel packaging formats?

A: Tube packaging (CST and IST variants without TRPBF designation) is suitable for lower-volume applications and manual assembly. Tape & Reel packaging (TRPBF designation) is designed for automated pick-and-place assembly and higher-volume production. Both formats contain identical die and electrical specifications.

Q: Why do some LT1521 variants have different operating temperature ranges?

A: LT1521CST-3#PBF operates from 0°C to 125°C, while LT1521IST-3#PBF and LT1521IST-3#TRPBF extend the lower temperature limit to -40°C. The "I" temperature grade designation indicates industrial temperature range support. Selection depends on application temperature requirements.

Q: Is the MIC5200-3.0BS TR still available for procurement?

A: The MIC5200-3.0BS TR is classified as obsolete. Current inventory of 805 pieces is available, but long-term procurement is not assured. Migration to active alternatives such as MIC5200-3.0YS-TR or LT1521 series is recommended for new designs and ongoing production support.

Q: What are the compliance differences between the original part and substitutes?

A: The MIC5200-3.0BS TR is RoHS non-compliant. All substitute parts listed are ROHS3 compliant, meeting current environmental and regulatory requirements. All parts maintain REACH unaffected status and EAR99 export classification.