LP3871EMP-2.5/NOPBIn StockTexas Instruments
LP3871EMP-2.5/NOPB is a TI 800mA 2.5V ultra-low-dropout regulator with 2.7-6V input in SOT-223. Starting at $0.50 per unit, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT-223
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LP3871EMP-2.5/NOPB Datasheet PDF
- Category
- power-management
- Price
- From $0.4968(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V output with 800mA maximum current capability
- Ultra-low 280mV dropout at 800mA load
- Low 2.7V minimum input voltage for battery operation
- SOT-223 package for excellent thermal management
- Low quiescent current for battery-powered designs
Applications
The LP3871EMP-2.5/NOPB is ideal for portable electronics, DSP and FPGA core voltage supplies, and battery-powered devices requiring a stable 2.5V rail. It excels in applications where low dropout and minimal power waste are critical, such as handheld instruments and IoT sensor nodes.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.35V |
| Dropout Voltage1-Nom | 0.24V |
| Input Voltage Absolute-Max | 7.5V |
| Input Voltage-Max | 7V |
| Input Voltage-Min | 2.85V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0015% |
| Load Regulation-Max | 0.0025% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.8A |
| Output Voltage1-Max | 2.575V |
| Output Voltage1-Min | 2.425V |
| Output Voltage1-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223-4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | SOT-223 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP3871EMP-2.5/NOPB:
Frequently Asked Questions
What is the dropout voltage of the LP3871EMP-2.5/NOPB?
The LP3871EMP-2.5/NOPB features an ultra-low dropout voltage of only 280mV at 800mA full load, meaning it can regulate 2.5V output with input as low as 2.78V. This makes it excellent for single-cell Li-ion battery applications.
What applications are suitable for the LP3871EMP-2.5/NOPB?
This regulator is commonly used in portable electronics, DSP core supplies, FPGA power rails, and battery-operated IoT devices. Its low dropout and low quiescent current make it ideal for designs where power efficiency and battery life are paramount.
What is the input voltage range of the LP3871EMP-2.5/NOPB?
The LP3871EMP-2.5/NOPB accepts input voltages from 2.7V to 6V, supporting operation from single-cell lithium batteries through USB 5V supplies. The low minimum input voltage enables maximum energy extraction from battery sources.
What package is the LP3871EMP-2.5/NOPB available in?
The device comes in a 4-pin SOT-223 surface mount package providing good thermal performance through its exposed thermal pad. The SOT-223 is widely used in space-constrained portable designs and supports automated pick-and-place assembly.
Is the LP3871EMP-2.5/NOPB suitable for automotive applications?
The LP3871EMP-2.5/NOPB operates over -40°C to +125°C temperature range, meeting extended industrial and some automotive requirements. However, for dedicated automotive-grade applications, check TI's automotive-qualified alternatives in the LP38xx family.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5137 | $0.51 |
| 10+ | $0.5053 | $5.05 |
| 25+ | $0.4968 | $12.42 |
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