LP2985A-18DBVJ Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
150mA low-noise low-dropout regulator with fixed 1.8V output, 280mV typical dropout voltage, and shutdown pin in SOT-23-5 package. From $0.43 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LP2985A-18DBVJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4347(MOQ 342)
- 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 efficient regulation
- Fixed 1.8V output with high accuracy for powering precision analog and digital circuits
- Integrated shutdown pin enables power sequencing and reduces quiescent current in sleep mode
- Wide input voltage range up to 16V in compact SOT-23-5 footprint for space-constrained designs
Applications
The LP2985A-18DBVJ is ideal for powering low-voltage microcontrollers, DSPs, and FPGAs in portable and battery-operated devices. Its low-noise output makes it well-suited for RF circuits, analog sensors, and audio applications where supply noise directly impacts performance. The shutdown feature enables efficient power sequencing in multi-rail embedded systems and IoT modules.
Specifications
| Pbfree Code | Yes |
| 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 | 10.925V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.0076032% |
| 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 | 1.863V |
| Output Voltage1-Min | 1.737V |
| Output Voltage1-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3.5% |
| Package | SOT23 (5-Pin) |
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 LP2985A-18DBVJ:
Fixed Positive LDO Regulator, 1.8V, 0.6V Dropout, BIPolar, PDSO5
Frequently Asked Questions
What is the output voltage and dropout voltage of the LP2985A-18DBVJ?
The LP2985A-18DBVJ provides a fixed 1.8V output voltage with a typical dropout voltage of only 280mV (maximum 575mV) at 150mA load current, making it suitable for low-headroom power supply designs.
What is the input voltage range for the LP2985A-18DBVJ?
The LP2985A-18DBVJ accepts an input voltage ranging from approximately 10.925V minimum up to 16V absolute maximum, covering a broad range of supply rail scenarios in industrial and consumer electronics.
What applications is the LP2985A-18DBVJ best suited for?
This LDO regulator is well-suited for powering microcontrollers, RF modules, analog sensors, audio circuits, and portable IoT devices where a stable low-noise 1.8V supply and compact package are required.
What package does the LP2985A-18DBVJ come in and what are its dimensions?
The LP2985A-18DBVJ is supplied in a SOT-23-5 (5-pin) small outline transistor package, a compact surface-mount footprint widely used in space-constrained PCB designs for consumer and industrial applications.
Are there pin-compatible alternatives to the LP2985A-18DBVJ?
Pin-compatible alternatives in the SOT-23-5 package include Texas Instruments LP2985-18DBVR and LP5907-1.8DBVR, as well as third-party 150mA LDO regulators with 1.8V fixed output from suppliers such as Microchip and Diodes Inc.
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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 |
|---|---|---|
| 342+ | $0.8800 | $300.96 |
| 1000+ | $0.5820 | $582.00 |
| 2500+ | $0.5813 | $1453.33 |
| 5000+ | $0.5676 | $2838.05 |
| 10000+ | $0.5189 | $5189.00 |
| 100000+ | $0.4347 | $43470.00 |
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