LP38693MP-1.8 Equivalent & Substitute Parts

Part Overview

The LP38693MP-1.8 is a linear voltage regulator IC from Texas Instruments designed for positive fixed 1.8V output applications with 500mA current capacity in SOT-223-5 surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Direct manufacturer alternatives and parametric equivalents are available from Texas Instruments with active product status and improved compliance certifications.

Substiute Parts

LP38693MP-1.8

Texas InstrumentsIn Stock: 2042LP38693MP-1.8 Datasheet

Current PartRFQ

LP38693MP-1.8/NOPB

Texas InstrumentsIn Stock: 3165LP38693MP-1.8/NOPB Datasheet

DirectRFQ

LP38693MPX-1.8/NOPB

Texas InstrumentsIn Stock: 2748LP38693MPX-1.8/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LP38693MP-1.8 is determined by strict equivalence across the following critical parameters: fixed output voltage of 1.8V, output current rating of 500mA, maximum input voltage of 10V, SOT-223-5 package configuration, surface mount technology, operating temperature range of -40°C to 125°C, enable control feature, and over temperature protection. All identified substitutes maintain identical electrical and mechanical specifications while differing in product status and compliance certifications. Substitutes are grouped as direct manufacturer alternatives with improved regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

LP38693MP-1.8/NOPB is the direct manufacturer equivalent with active product status and ROHS3 compliance certification. This part is suitable for new designs and ongoing production requiring regulatory compliance with RoHS directives. LP38693MPX-1.8/NOPB provides an alternative active part with identical electrical specifications and ROHS3 compliance. Both substitutes maintain full parametric compatibility with the obsolete LP38693MP-1.8 across all critical electrical and mechanical parameters. Selection between the two active alternatives should be based on packaging format availability and supply chain considerations, as both meet identical functional and compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can LP38693MP-1.8/NOPB directly replace LP38693MP-1.8 in existing designs? A: Yes. Both parts share identical electrical specifications including 1.8V fixed output, 500mA current capacity, 10V maximum input voltage, and SOT-223-5 package configuration. The primary difference is product status and RoHS compliance certification.

Q: What is the difference between LP38693MP-1.8/NOPB and LP38693MPX-1.8/NOPB? A: Both parts are parametrically equivalent with identical electrical performance and compliance certifications. The difference lies in the part number suffix designation. Both are active products available in Tape & Reel packaging format.

Q: Is the SOT-223-5 package compatible across all three part numbers? A: Yes. All three parts use the SOT-223-5 package (TO-261-5, TO-261AB case designation) with identical pinout and mechanical dimensions suitable for surface mount assembly.

Q: Why is the original LP38693MP-1.8 marked as obsolete? A: The original part is obsolete due to product lifecycle management by Texas Instruments. Active alternatives with improved compliance certifications are available as direct replacements.

Q: Are there any compliance differences between the substitute parts? A: The original LP38693MP-1.8 is RoHS non-compliant. Both substitutes (LP38693MP-1.8/NOPB and LP38693MPX-1.8/NOPB) are ROHS3 compliant, meeting current regulatory requirements for electronic components in restricted substance directives.

Q: Can these parts be used interchangeably in production? A: Yes, for applications requiring identical 1.8V output at 500mA with SOT-223-5 packaging. Verify PCB layout compatibility and confirm supply chain availability for your production volume requirements.