Texas Instruments LP3985IM5-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.72 | $0.72 |
| 15+ | $0.70 | $10.50 |
| 25+ | $0.68 | $17.00 |
| 50+ | $0.65 | $32.50 |
| 100+ | $0.57 | $57.00 |
| N+ | $0.11 | 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) | 2.5V |
| 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 LP3985IM5-2.5/NOPB is a precision low-dropout linear regulator from Texas Instruments, delivering a fixed 2.5V output with up to 150mA of current. Its low quiescent current of 150µA and excellent PSRR make it an efficient, noise-immune power solution for battery-operated and analog-sensitive applications. Housed in a compact SOT-23-5 package, this LDO offers a practical balance of performance and board space.
- Extended Battery Life: Low 150µA quiescent current minimizes standby power draw in portable devices.
- Clean Power Delivery: 50dB PSRR at 1kHz filters supply noise for sensitive analog and RF circuits.
- Compact Footprint: SOT-23-5 package saves PCB space for space-constrained designs.
- Low Dropout: 0.1V dropout at 150mA allows operation from nearly depleted batteries.
Battery-Powered Portable Devices
The LP3985's low 150µA quiescent current and 2.5V output make it ideal for extending battery life in wearables, remote controls, and portable sensors.
Noise-Sensitive Analog Circuits
With PSRR of 50dB at 1kHz, this LDO provides clean power to precision op-amps, ADCs, and audio codecs, minimizing supply-induced noise.
Wireless Modules and RF Transceivers
The stable 2.5V rail and low dropout of 0.1V at 150mA support RF transceivers and Bluetooth modules, ensuring consistent performance during transmission bursts.
Microcontroller Power Supply
For low-power MCUs requiring a regulated 2.5V supply, the LP3985 offers a compact SOT-23-5 solution with minimal external components.
Industrial Sensor Interfaces
Its stable output and thermal protection make it suitable for powering signal conditioning circuits in industrial sensor nodes.
Portable Medical Devices
The low noise and small footprint enable reliable power for glucose monitors and pulse oximeters, where accuracy and size are critical.
- Q: What is the output voltage of the LP3985IM5-2.5/NOPB?
- A: The fixed output voltage is 2.5V.
- 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 (not explicitly stated, but typical for this LDO; verify in datasheet).
- 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.
LP3985IM5-2.5/NOPB.pdf
- Q: What is the output voltage of the LP3985IM5-2.5/NOPB?
- A: The fixed output voltage is 2.5V.
- 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 (not explicitly stated, but typical for this LDO; verify in datasheet).
- 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.
