LP3875ES-3.3 Texas Instruments Integrated Circuit (Other) In Stock
LP3875ES-3.3 is a fixed 3.3V low-dropout linear regulator from Texas Instruments with 500mA output current, 0.55V max dropout voltage, and 7V input range. From $1.73, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LP3875ES-3.3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7300(MOQ 135)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output with tight regulation — Adjustability: FIXED, ideal for stable logic and MCU supply rails
- Ultra-low dropout voltage — 0.38V typical (0.55V max) at 500mA, extends battery life in low-voltage systems
- Wide input voltage range — 3.85V to 7V input supports Li-ion, 5V USB, and regulated adapter sources
- Low line regulation — max 0.00198%, ensures stable output across varying input conditions
- Compact SOT-23-5 package (JESD-30: R-PSSO-G5) — space-efficient layout for portable and embedded designs
Applications
The LP3875ES-3.3 is well suited for portable consumer electronics, wearable devices, and battery-powered embedded systems requiring a reliable 3.3V supply rail. Its low dropout voltage makes it ideal for Li-ion powered applications where input-output differential is small. It is also commonly used in IoT modules, microcontroller boards, and sensor interfaces that demand tight voltage regulation within a compact footprint.
Specifications
| YTEOL | 0 |
| 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-PSSO-G5 |
| JESD-609 Code | e0 |
| 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 | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | RAIL |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Voltage Tolerance-Max | 3% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP3875ES-3.3:
Frequently Asked Questions
What is the output voltage and current rating of the LP3875ES-3.3?
The LP3875ES-3.3 provides a fixed 3.3V output voltage with a maximum output current of 500mA. It maintains tight regulation with a maximum line regulation of 0.00198%, making it suitable for precision analog and digital supply applications.
What is the dropout voltage of the LP3875ES-3.3 and why does it matter?
The LP3875ES-3.3 has a typical dropout voltage of 0.38V and a maximum of 0.55V. This low dropout characteristic is critical for battery-powered designs using Li-ion cells, where the input voltage can drop close to the required output, allowing the regulator to continue operating with minimal headroom.
What package does the LP3875ES-3.3 come in and what are its input voltage limits?
The LP3875ES-3.3 is available in a 5-pin SOT-23 package (JESD-30 code: R-PSSO-G5), which is compact and ideal for space-constrained PCB designs. It accepts an input voltage from 3.85V to 7V, with an absolute maximum rating of 7.5V, making it compatible with 5V USB and single-cell Li-ion power sources.
Can the LP3875ES-3.3 be used in portable and IoT applications?
Yes, the LP3875ES-3.3 is an excellent choice for portable and IoT applications. Its fixed 3.3V output, low 0.38V typical dropout voltage, compact SOT-23-5 form factor, and input voltage compatibility with Li-ion batteries (3.85V–7V) make it well suited for wearables, sensor nodes, and wireless communication modules.
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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 |
|---|---|---|
| 135+ | $2.9570 | $399.20 |
| 500+ | $1.9400 | $970.00 |
| 1000+ | $1.8400 | $1840.00 |
| 10000+ | $1.7300 | $17300.00 |
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