VT1323MFQR Equivalent & Substitute Parts

Part Overview

The VT1323MFQR is an integrated circuit power management device (PMIC) manufactured by Analog Devices Inc./Maxim Integrated. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The VT1323 series provides switching regulator functionality within a QFN package configuration. Due to its obsolete status, sourcing equivalent or substitute components from the active product portfolio is necessary for procurement and design continuity.

Substiute Parts

VT1323MFQR

Analog Devices Inc./Maxim IntegratedIn Stock: 772VT1323MFQR Datasheet

Current PartRFQ

VT1323MFQX

Analog Devices Inc./Maxim IntegratedIn Stock: 790VT1323MFQX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the VT1323MFQR is determined by the following criteria:

• Base product number alignment (VT1323 series)
• Identical functional classification (Power Management PMIC / Switching Regulator)
• Matching RoHS compliance status (ROHS3 Compliant)
• Compatible packaging format (QFN)
• Active product status for continued availability

The VT1323MFQX meets all substitution criteria as an active variant within the same base product family, maintaining functional equivalence while providing current market availability.

Parameter Comparison

Engineering Selection Recommendations

The VT1323MFQX is the appropriate substitute for the obsolete VT1323MFQR based on the following factors:

• Both components share identical base product designation (VT1323), ensuring functional and electrical compatibility
• The substitute maintains ROHS3 compliance, satisfying regulatory requirements equivalent to the original part
• Active product status of the VT1323MFQX ensures reliable long-term availability and supply chain continuity
• Identical packaging format (QFN) permits direct physical integration without PCB redesign
• The substitute carries REACH Unaffected certification, providing additional regulatory assurance for international applications

Frequently Asked Questions (FAQ)

Q: Can the VT1323MFQX directly replace the VT1323MFQR without PCB modifications?

A: Yes. Both components utilize identical QFN packaging and share the same base product number (VT1323), enabling direct substitution without PCB layout changes.

Q: What is the primary reason for substituting the VT1323MFQR?

A: The VT1323MFQR is classified as obsolete. The VT1323MFQX is an active product variant that maintains functional equivalence while providing current market availability.

Q: Are there compliance differences between these parts?

A: Both parts are ROHS3 compliant. The VT1323MFQX additionally carries REACH Unaffected certification, providing enhanced regulatory coverage for certain markets.

Q: What parameters determine substitution eligibility for VT1323 series components?

A: Substitution is based on matching base product number (VT1323), identical functional classification (Power Management PMIC), compatible packaging (QFN), and equivalent RoHS compliance status.

Q: Is the VT1323MFQX suitable for new design implementations?

A: Yes. The active product status of the VT1323MFQX makes it appropriate for both replacement applications and new system designs requiring switching regulator functionality.