LP2985AITP-2.8 Texas Instruments Integrated Circuit (Other) In Stock
LP2985AITP-2.8 is a 150mA fixed 2.8V LDO linear regulator IC from Texas Instruments. Features ultra-low dropout voltage of 280mV and wide input range of 3.8V to 16V. Ideal for portable and battery-powered applications requiring stable low-noise power supply.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LP2985AITP-2.8 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150mA output current with ultra-low 280mV typical dropout voltage for high efficiency
- Fixed 2.8V output in compact SOT-23-5 package, ideal for space-constrained designs
- Wide input voltage range 3.8V to 16V with excellent line regulation of 0.01% for stable output
- Low quiescent current and shutdown capability optimized for battery-powered portable devices
Applications
The LP2985AITP-2.8 is well-suited for portable consumer electronics, wearables, and IoT devices where a clean, regulated 2.8V supply is required from a Li-ion or alkaline battery. It is commonly used to power RF transceivers, microcontrollers, and sensors that demand low-noise, low-dropout regulation. The device also fits wireless modules and handheld instruments where board space and power efficiency are critical design constraints.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.575V |
| Dropout Voltage1-Nom | 0.28V |
| Input Voltage Absolute-Max | 16V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 3.8V |
| JESD-30 Code | R-PBGA-B5 |
| Line Regulation-Max | 0.01093% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 2.898V |
| Output Voltage1-Min | 2.702V |
| Output Voltage1-Nom | 2.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA5,3X3,17/10 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Voltage Tolerance-Max | 3.5% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and maximum output current of the LP2985AITP-2.8?
The LP2985AITP-2.8 provides a fixed 2.8V output with a maximum output current of 150mA. Its typical dropout voltage is only 280mV at full load, enabling efficient regulation from input voltages as low as 3.8V.
What input voltage range does the LP2985AITP-2.8 support?
The LP2985AITP-2.8 accepts an input voltage between 3.8V and 16V (absolute maximum 16V), making it compatible with single-cell Li-ion batteries, 5V USB rails, and up to 12V DC power supplies in a wide range of applications.
What package does the LP2985AITP-2.8 come in, and is it RoHS compliant?
The LP2985AITP-2.8 is housed in a SOT-23-5 (R-PBGA-B5) 5-ball package, which is compact and suitable for PCB designs with limited space. Note that the Pbfree code for this variant is listed as No, so verify RoHS compliance requirements with your supplier before ordering.
What are typical applications for the LP2985AITP-2.8?
This LDO regulator is commonly used in portable devices, wearables, IoT sensor nodes, RF modules, and microcontroller power rails where a stable low-noise 2.8V supply is needed. Its low dropout and compact footprint make it ideal for battery-operated and space-constrained designs.
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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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