LP3855EMP-ADJ/NOPBIn StockTexas Instruments
LP3855EMP-ADJ/NOPB is an adjustable low dropout voltage regulator delivering 1.5A output current with 0.24V typical dropout voltage and 2.5V to 7V input range. From $2.05, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (4-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP3855EMP-ADJ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0540(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
- Adjustable output voltage with low 0.24V typical dropout at 1.5A load
- Wide input voltage range: 2.5V to 7V, suitable for battery-powered and low-voltage systems
- 1.5A continuous output current in compact 5-Pin SOT-223 package
- Lead-free (NOPB) RoHS-compliant construction meeting modern environmental standards
- Low quiescent current for improved power efficiency in portable applications
Applications
The LP3855EMP-ADJ/NOPB is well suited for portable electronics, battery-powered devices, and low-voltage embedded systems requiring a stable, adjustable supply rail. Its low dropout voltage makes it ideal for applications where input and output voltages are close, such as post-regulation in Li-ion battery circuits and point-of-load power in IoT modules. It is also used in automotive accessories, industrial sensors, and communication equipment where compact size and reliable power delivery are essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.435V |
| Dropout Voltage1-Nom | 0.24V |
| Input Voltage-Max | 7V |
| Input Voltage-Min | 2.5V |
| Input-Output Voltage Differential-Max | 0.435V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max (%/V) | 0.0008 |
| Load Regulation-Max(%) | 0.12% |
| 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 | 6.6V |
| Output Voltage1-Min | 1.23V |
| 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 | ADJUSTABLE 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 | 2% |
| 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 LP3855EMP-ADJ/NOPB:
Regulator, 1.2V Min, 7V Max, 0.435V Dropout, CMOS, PDSO5
Frequently Asked Questions
What is the output current and dropout voltage of the LP3855EMP-ADJ/NOPB?
The LP3855EMP-ADJ/NOPB delivers up to 1.5A continuous output current with a typical dropout voltage of 0.24V and a maximum of 0.435V at full load, making it suitable for low-voltage power regulation applications.
What is the input voltage range supported by the LP3855EMP-ADJ/NOPB?
The LP3855EMP-ADJ/NOPB supports an input voltage range from 2.5V to 7V, making it compatible with single-cell Li-ion batteries, USB power sources, and other low-voltage supply rails commonly found in portable and embedded systems.
What package does the LP3855EMP-ADJ/NOPB come in and is it RoHS compliant?
The LP3855EMP-ADJ/NOPB is housed in a 5-Pin SOT-223 (SOT223 4-Pin exposed pad) package. The NOPB suffix indicates it is lead-free and RoHS compliant, meeting current environmental and safety regulations for use in consumer, industrial, and automotive products.
Can the LP3855EMP-ADJ/NOPB replace other adjustable LDO regulators?
Yes, the LP3855EMP-ADJ/NOPB can replace many adjustable LDO regulators with similar 1.5A output and SOT-223 footprints, such as the LM1117 or LT1764 families, provided the input voltage range of 2.5V to 7V and dropout specifications match your design requirements.
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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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