Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesLP3873ES-2.5/NOPB is a PMIC - Voltage Regulators - Linear model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - Voltage Regulators - Linear product path. Known package information currently points to TO263 under the Texas Instruments brand listing. IC REG LIN 2.5V 3A DDPAK/TO263-5. TrustCompo combines the available model, brand, hierarchy, and specification details around LP3873ES-2.5/NOPB so buyers can move faster from review to quotation.

Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
PMIC - Voltage Regulators - LinearDescription
IC REG LIN 2.5V 3A DDPAK/TO263-5
key Attributes
-
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesReview shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsUnderstand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsSee how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
The LP3873ES-2.5/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 2.5V with a maximum output current of 1A. This device is particularly useful in applications where space is limited and efficiency is critical, such as in portable electronics, battery-powered devices, and other compact systems.
Output Voltage: The LP3873ES-2.5/NOPB provides a fixed output voltage of 2.5V, making it suitable for powering various digital circuits and components that require a stable voltage supply.
Low Dropout Voltage: The LDO features a low dropout voltage, typically around 300mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This is particularly beneficial in battery-operated devices where maximizing battery life is essential.
Current Capability: With a maximum output current of 1A, the LP3873ES-2.5/NOPB can support a wide range of applications, from low-power microcontrollers to more demanding loads.
Thermal Protection: The device includes built-in thermal shutdown protection, which helps prevent damage due to overheating. This feature is crucial in applications where the regulator may be subjected to varying load conditions.
Power Good Indicator: The LP3873ES-2.5/NOPB includes a power good (PG) output that indicates when the output voltage is within the specified range. This feature can be used for system monitoring and to ensure proper operation of downstream components.
Compact Package: The regulator is available in a small, surface-mount package (such as the TO-220 or DGN package), which is ideal for space-constrained designs. The compact size allows for easy integration into printed circuit boards (PCBs).
Wide Input Voltage Range: The device can operate with a wide input voltage range, typically from 3V to 20V, making it versatile for various power supply configurations.
Low Quiescent Current: The LP3873ES-2.5/NOPB features low quiescent current, which is beneficial for battery-powered applications, as it helps extend battery life by minimizing power consumption when the device is not actively supplying load current.
The LP3873ES-2.5/NOPB is suitable for a variety of applications, including:
Overall, the LP3873ES-2.5/NOPB from Texas Instruments is a reliable and efficient LDO voltage regulator that offers a combination of low dropout voltage, compact size, and robust performance. Its features make it an excellent choice for designers looking to implement a stable 2.5V power supply in a wide range of electronic applications.
Fast scan
Export Classifications & Environmental
JESD-609 Code
e3
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
HTSUS
8542.39.0001
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
3 (168 Hours)
Export Classifications & Environmental
ECCN Code
EAR99
Product Attribute
Part Status
Active
Common questions
Quick answers for buyers reviewing LP3873ES-2.5/NOPB, stock, documentation, and sourcing steps.
LP3873ES-2.5/NOPB is a PMIC - Voltage Regulators - Linear component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
LP3873ES-2.5/NOPB is listed with package reference TO263. The current product description is IC REG LIN 2.5V 3A DDPAK/TO263-5, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 14222 units in stock and 10490 units available for LP3873ES-2.5/NOPB. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for LP3873ES-2.5/NOPB by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
A dedicated datasheet link is not currently listed for LP3873ES-2.5/NOPB by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for LP3873ES-2.5/NOPB before approving the order.
PMIC - Voltage Regulators - Linear
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.

IC REG LINEAR 2.5V 5MA 5DSBGA

IC REG LIN POS ADJ 100MA 8TSSOP

IC REG LINEAR 3.3V 100MA SOT23-5

IC REG LINEAR 8V 1A SOT223-4

IC REG LINEAR NEG ADJ 1A TO220-5

IC REG LINEAR 2.5V 150MA 5DSBGA
More sourcing insights
Explore related articles around LP3873ES-2.5/NOPB, PMIC - Voltage Regulators - Linear, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
