LP2985IM53.3/NOPB Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
LP2985IM53.3/NOPB is a fixed 3.3V output LDO linear voltage regulator in a compact SOT23-5 package with low noise and low quiescent current. Delivers stable 3.3V regulation ideal for microcontrollers, RF modules, and sensitive analog circuits. From $0.60 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP2985IM53.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output voltage with low noise design optimized for RF, analog, and mixed-signal subsystems requiring stable power rails
- Ultra-compact SOT23-5 package enables space-efficient integration in portable electronics, IoT devices, and PCB-constrained designs
- Low quiescent current operation extends battery life in portable and wearable devices powered from coin cells or small Li-ion batteries
Applications
The LP2985IM53.3/NOPB is designed to provide a clean, fixed 3.3V supply for microcontrollers, Bluetooth modules, RF transceivers, and precision analog circuits in portable and IoT applications. Its low noise characteristics make it particularly suitable for noise-sensitive circuits such as ADC references, sensor bias supplies, and wireless communication front ends. The tiny SOT23-5 footprint allows integration in space-constrained wearables, smart meters, and embedded sensor nodes.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP2985IM53.3/NOPB:
Fixed Positive LDO Regulator, 3.3V, 0.575V Dropout, BIPolar, PDSO5
Frequently Asked Questions
What is the output voltage of the LP2985IM53.3/NOPB?
The LP2985IM53.3/NOPB provides a fixed 3.3V output voltage, making it a plug-and-play regulator for powering 3.3V digital and analog subsystems such as microcontrollers, wireless modules, memory chips, and sensor interfaces without requiring external voltage setting resistors.
What package does the LP2985IM53.3/NOPB use?
The LP2985IM53.3/NOPB is housed in a SOT23-5 (5-pin) small surface-mount package, one of the most compact regulator packages available, enabling integration into ultra-small PCB designs such as wearables, IoT tags, and miniaturized industrial sensors.
Is the LP2985IM53.3/NOPB suitable for RF and low-noise applications?
Yes, the LP2985IM53.3/NOPB features a low-noise LDO architecture specifically designed to minimize output voltage noise, making it well-suited for powering RF transceivers, PLLs, ADCs, and other noise-sensitive components that require a clean, ripple-free 3.3V supply.
What is the quiescent current of the LP2985IM53.3/NOPB and how does it impact battery life?
The LP2985IM53.3/NOPB features low quiescent current, which minimizes the standby power draw and helps extend battery life in always-on IoT sensors, coin-cell powered devices, and wearables where power efficiency during idle states is critical for product usability.
Is the LP2985IM53.3/NOPB RoHS compliant?
Yes, the 'NOPB' suffix in the LP2985IM53.3/NOPB part number indicates it is a No Lead (Pb-free) variant, confirming RoHS compliance and suitability for use in environmentally conscious consumer electronics, automotive accessories, and European market products.
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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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