Texas Instruments LP3985IM5X-3.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.42 | $0.42 |
| 15+ | $0.40 | $6.00 |
| 25+ | $0.40 | $10.00 |
| 50+ | $0.37 | $18.50 |
| 100+ | $0.33 | $33.00 |
| N+ | $0.07 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.1V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 150 µA |
| Current - Supply (Max) | 250 µA |
| PSRR | 50dB ~ 40dB (1kHz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The Texas Instruments LP3985 is a precision low-dropout linear regulator delivering a fixed 3.0V output at up to 150mA. Its ultra-low 0.1V dropout voltage and 150µA quiescent current make it ideal for battery-powered and portable applications. The SOT-23-5 package offers a compact footprint, while the 50dB PSRR at 1kHz ensures clean power for sensitive analog and RF circuits. Built-in thermal and current protection enhance reliability.
- Extended Battery Life: Ultra-low 0.1V dropout at 150mA allows operation from nearly depleted batteries, maximizing usable energy.
- Clean Output Power: 50dB to 40dB PSRR (1kHz-10kHz) filters supply noise, critical for RF and precision analog loads.
- Compact Design: SOT-23-5 package minimizes PCB area, ideal for space-constrained wearables and IoT modules.
- Low Quiescent Current: 150µA quiescent current reduces standby power draw, improving overall system efficiency.
Battery-Powered Portable Devices
The LP3985's low 0.1V dropout at 150mA maximizes battery life in single-cell Li-ion applications, allowing operation down to 3.1V input for a 3.0V rail.
RF and Analog Sensor Power
With 50dB to 40dB PSRR from 1kHz to 10kHz, this LDO provides clean, stable power for RF transceivers and precision analog sensors, reducing noise-induced errors.
Wearable Health Monitors
Its SOT-23-5 package and 150mA capability suit compact wearable designs powering low-power MCUs and optical heart-rate sensors with minimal board space.
Audio Codec Supply
The low output noise and good PSRR make it ideal for powering audio codecs in portable media players, preserving signal integrity and dynamic range.
Industrial Sensor Interfaces
For 3.0V logic and sensor rails in industrial transmitters, the LP3985 offers reliable regulation with thermal shutdown and current limit protection.
IoT End Nodes
In always-on IoT sensors, the 150µA quiescent current balances performance and standby efficiency, extending battery life between wake cycles.
- Q: What is the output voltage of the LP3985IM5X-3.0/NOPB?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 6V (based on 3V output plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.1V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 150µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP3985IM5X-3.0/NOPB.pdf
- Q: What is the output voltage of the LP3985IM5X-3.0/NOPB?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 6V (based on 3V output plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.1V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 150µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
