LP3875EMP-3.3/NOPBIn StockTexas Instruments
LP3875EMP-3.3/NOPB is a fixed 3.3V, 1.5A low dropout linear voltage regulator from Texas Instruments with only 380mV typical dropout voltage and ±1.5% output accuracy. It operates from 3.85V to 7V input in a compact SOT-223 package. From $1.08, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (4-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP3875EMP-3.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0784(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 3.3V output with tight ±1.5% accuracy, ideal for precision power rails
- Ultra-low 380mV typical dropout voltage enables efficient operation in low-headroom designs
- 1.5A output current capability in a compact 5-pin SOT-223 package
- Wide input voltage range of 3.85V to 7V supports diverse power supply topologies
- JEDEC-compliant, RoHS/REACH compliant with Pb-free construction
Applications
The LP3875EMP-3.3/NOPB is well-suited for powering microcontrollers, FPGAs, DSPs, and memory modules in embedded systems where a stable 3.3V rail is essential. Its low dropout characteristic makes it ideal for battery-powered portable devices, wearables, and IoT nodes where input voltage is close to the output. It is also widely used in industrial control boards, communication equipment, and consumer electronics requiring clean, regulated 3.3V power.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.55V |
| Dropout Voltage1-Nom | 0.38V |
| Input Voltage Absolute-Max | 7.5V |
| Input Voltage-Max | 7V |
| Input Voltage-Min | 3.85V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.00198% |
| Load Regulation-Max | 0.00396% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1.5A |
| Output Voltage1-Max | 3.399V |
| Output Voltage1-Min | 3.201V |
| Output Voltage1-Nom | 3.3V |
| 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 | Matte 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 | SOT223 (4-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP3875EMP-3.3/NOPB:
Regulator, 3.3V, 0.55V Dropout, CMOS, PDSO5
Frequently Asked Questions
What is the dropout voltage of the LP3875EMP-3.3/NOPB?
The LP3875EMP-3.3/NOPB has a typical dropout voltage of 380mV and a maximum of 550mV at 1.5A output current, making it suitable for applications where the input voltage is only slightly higher than 3.3V.
What is the input voltage range for the LP3875EMP-3.3/NOPB?
The LP3875EMP-3.3/NOPB operates with an input voltage range of 3.85V to 7V, with an absolute maximum rating of 7.5V. This range supports a variety of power supply configurations in embedded and industrial systems.
What package does the LP3875EMP-3.3/NOPB come in, and is it RoHS compliant?
The LP3875EMP-3.3/NOPB is available in a 5-pin SOT-223 (R-PDSO-G5) package. It is fully RoHS and REACH compliant with a Pb-free construction, making it suitable for environmentally conscious designs and global markets.
Can the LP3875EMP-3.3/NOPB be used in battery-powered applications?
Yes, the LP3875EMP-3.3/NOPB is an excellent choice for battery-powered applications. Its low dropout voltage of 380mV typical means it continues to regulate properly even as the battery voltage drops close to 3.3V, extending battery life in portable and IoT devices.
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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.
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