LP3961EMPX-3.3Alternatives & Equivalent Parts

About LP3961EMPX-3.3

LP3961EMPX-3.3 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT223 (4-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterLP3961EMPX-3.3SourceLP3961EMP-3.3
ManufacturerTexas InstrumentsTexas Instruments
Package TypeSOT223 (4-Pin)Other
Pin Count55
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$1.6600$1.9000
Electrical Parameters
Pbfree CodeYesYes
Date Of Intro1999-10-071999-10-07
YTEOL00
AdjustabilityFIXEDFIXED
Dropout Voltage1-Max0.35 V0.35 V
Dropout Voltage1-Nom0.24 V0.24 V
Input Voltage Absolute-Max7.5 V7.5 V
Input Voltage-Max7 V7 V
Input Voltage-Min3.65 V3.65 V
JESD-30 CodeR-PDSO-G5R-PDSO-G5
JESD-609 Codee0e0
Number of Functions11
Number of Outputs11
Operating Temperature TJ-Max125 °C125 °C
Operating Temperature TJ-Min-40 °C-40 °C
Output Current1-Max0.8 A0.8 A
Output Voltage1-Max3.399 V3.399 V
Output Voltage1-Min3.201 V3.201 V
Output Voltage1-Nom3.3 V3.3 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOT-223-4SOT-223-4
Package ShapeRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINE
Packing MethodTRTR
Peak Reflow Temperature (Cel)260260
Qualification StatusNot QualifiedNot Qualified
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYESYES
TechnologyCMOSCMOS
Terminal FinishTin/Lead (Sn/Pb)Tin/Lead (Sn/Pb)
Terminal FormGULL WINGGULL WING
Terminal Pitch1.5 mm1.5 mm
Terminal PositionDUALDUAL
Time@Peak Reflow Temperature-Max (s)4040
Voltage Tolerance-Max3%3%

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

LP3961EMP-3.3by National Semiconductor Corporation Fixed Positive LDO

Regulator, 3.3V, 0.35V Dropout, CMOS, PDSO5

Why Look for Alternatives?

Finding alternatives for LP3961EMPX-3.3 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating LP3961EMPX-3.3 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to LP3961EMPX-3.3?

Known equivalents for LP3961EMPX-3.3 include LP3961EMP-3.3. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LP3961EMPX-3.3?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify LP3961EMPX-3.3 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.