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LP3961EMPX-3.3/NOPB — SOT-89 / SOT-223 package (representative)
SOT-89 / SOT-223
Representative of package type
Texas Instruments

LP3961EMPX-3.3/NOPB

LDO Regulator · SOT-223 · Power Management
Part Status: Active
Data last refreshed Jul 27, 2026
Manufacturer
Texas Instruments
Mfr Part #
LP3961EMPX-3.3/NOPB
Series
LP3961
Category
LDO Regulator
Datasheet
View datasheet ↗
Availability & Pricing
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Product Attributes

Electrical & Parametric
Output Voltage3.3 V
Output Current800 mA
Dropout Voltage240 mV typ @ 800 mA
Input Voltage Range2.5 V to 7 V
Physical & Thermal
Package / CaseSOT-223
Mounting TypeSurface Mount
SeriesLP3961
Operating Temperature-40°C ~ 125°C
Classification & Lifecycle
CategoryLDO Regulator
TypePower Management
Part StatusActive

800 mA, 3.3 V fixed-output, ultra-low dropout linear regulator

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Part Activity

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Engineering FAQ

What are the key specifications of LP3961EMPX-3.3/NOPB?
Output Voltage: 3.3 V; Output Current: 800 mA; Dropout Voltage: 240 mV typ @ 800 mA; Input Voltage Range: 2.5 V to 7 V.
What package is LP3961EMPX-3.3/NOPB supplied in?
LP3961EMPX-3.3/NOPB is supplied in the SOT-223 package, surface mount, rated -40°C ~ 125°C.
Can ZDI source LP3961EMPX-3.3/NOPB beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

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