LP2985AIM5-3.3In StockTexas Instruments
LP2985AIM5-3.3 is a 150mA fixed 3.3V low-dropout linear regulator with ultra-low noise output and 0.28V typical dropout voltage, ideal for portable and battery-powered applications. From $0.28 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LP2985AIM5-3.3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2754(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150mA output current with only 0.28V typical dropout voltage for high-efficiency regulation
- Fixed 3.3V output with ultra-low noise, suitable for noise-sensitive analog and RF circuits
- Wide input voltage range of 4.3V to 16V with enable pin for power sequencing
- Tiny SOT-23-5 package minimizes PCB footprint for space-constrained designs
- Built-in current limiting and thermal shutdown protection for robust operation
Applications
The LP2985AIM5-3.3 is widely used in portable consumer electronics, IoT devices, and battery-powered systems where a stable 3.3V rail is required with minimal power loss. Its ultra-low noise characteristic makes it ideal for powering RF transceivers, ADCs, and precision sensors in wireless communication modules. The compact SOT-23-5 package and wide input range also make it a popular choice in wearables, handheld instruments, and post-regulation stages following switching converters.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1998-04-01 |
| 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 | 4.3V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.0123552% |
| 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 | 3.4155V |
| Output Voltage1-Min | 3.1845V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR, 7 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 | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.953mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Voltage Tolerance-Max | 3.5% |
| ## LP2985AIM5-3.3 Alternates Showing results | Image |
| 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 LP2985AIM5-3.3:
Regulator, 3.3V, 0.575V Dropout, BIPolar, PDSO5
Regulator, 3.3V, 0.575V Dropout, BIPolar, PDSO5
suggested
Frequently Asked Questions
What is the output voltage and maximum output current of the LP2985AIM5-3.3?
The LP2985AIM5-3.3 provides a fixed 3.3V output voltage with a maximum output current of 150mA. Its typical dropout voltage is only 0.28V, allowing the input supply to be as low as 3.58V while maintaining regulation.
What is the input voltage range of the LP2985AIM5-3.3?
The LP2985AIM5-3.3 accepts an input voltage ranging from 4.3V minimum to 16V maximum, making it compatible with a wide variety of power sources including single-cell Li-ion batteries, 5V USB rails, and 12V automotive or industrial supplies.
What are typical applications for the LP2985AIM5-3.3?
This device is commonly used to power microcontrollers, RF modules, Bluetooth and Wi-Fi chips, precision ADCs, and sensors in portable electronics, IoT nodes, wearables, and handheld instruments where a clean and stable 3.3V supply is critical.
What package does the LP2985AIM5-3.3 come in, and what are alternatives?
The LP2985AIM5-3.3 is available in a 5-pin SOT-23 (SOT-23-5) package. Functional alternatives include the TLV70033 and LP2985-33 in similar packages, though users should verify pinout compatibility and load requirements before substituting.
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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 |
|---|---|---|
| 1+ | $0.7110 | $0.71 |
| 142+ | $0.3555 | $50.48 |
| 564+ | $0.2844 | $160.40 |
| 1090+ | $0.2754 | $300.19 |
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