LP3874EMP-ADJIn StockTexas Instruments
LP3874EMP-ADJ is an adjustable linear voltage regulator from Texas Instruments with 0.35V max dropout voltage, 0.1% load regulation, and single output function, ideal for portable and battery-powered applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LP3874EMP-ADJ Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable output voltage linear regulator with ultra-low 0.24V nominal dropout voltage
- Excellent load regulation of 0.1% maximum for stable output under varying load conditions
- Low line regulation of 0.0125 %/V for consistent performance across input voltage changes
- 5-pin SOIC (R-PDSO-G5) compact surface-mount package for space-constrained designs
- Single function architecture simplifies circuit design and minimizes external components
Applications
The LP3874EMP-ADJ adjustable linear regulator is well-suited for portable consumer electronics, handheld instruments, and battery-powered devices where low dropout voltage is critical for extending battery life. It is commonly used in post-regulation stages of switching power supplies, microcontroller and DSP core voltage supply, and noise-sensitive analog circuits requiring clean, stable power. Its adjustable output makes it versatile for telecom equipment, industrial control systems, and embedded computing platforms.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.35V |
| Dropout Voltage1-Nom | 0.24V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e0 |
| Line Regulation-Max (%/V) | 0.0125 |
| Load Regulation-Max(%) | 0.1% |
| 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 | 7V |
| Output Voltage1-Min | 1.2V |
| 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 LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.5mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP3874EMP-ADJ:
Regulator, 1.2V Min, 7V Max, 0.35V Dropout, CMOS, PDSO5
Frequently Asked Questions
What is the dropout voltage of the LP3874EMP-ADJ?
The LP3874EMP-ADJ has a nominal dropout voltage of 0.24V and a maximum dropout voltage of 0.35V. This low dropout characteristic makes it ideal for battery-powered applications where maximizing usable battery voltage range is essential.
What output voltage range does the LP3874EMP-ADJ support?
The LP3874EMP-ADJ is an adjustable linear regulator, meaning its output voltage can be set by external resistors. This flexibility allows designers to target any desired output voltage within the device's specified operating range, making it suitable for diverse power supply designs.
What package does the LP3874EMP-ADJ come in?
The LP3874EMP-ADJ is available in a 5-pin SOIC surface-mount package (JESD-30 code R-PDSO-G5). This compact package is compatible with standard PCB assembly processes and is well-suited for high-density board designs.
What are typical applications for the LP3874EMP-ADJ?
Typical applications include portable consumer electronics, battery-operated handheld devices, microcontroller core voltage supplies, post-regulation in switching converters, and noise-sensitive analog circuits. Its adjustable output and low dropout voltage make it versatile across industrial and consumer power management designs.
What is the load regulation performance of the LP3874EMP-ADJ?
The LP3874EMP-ADJ offers a maximum load regulation of 0.1%, ensuring the output voltage remains stable as load current changes. This tight regulation performance is critical for applications requiring consistent supply voltage to sensitive analog or digital components.
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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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