Texas Instruments LP3985IM5-3.2/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.43 | $0.43 |
| 15+ | $0.41 | $6.15 |
| 25+ | $0.41 | $10.25 |
| 50+ | $0.38 | $19.00 |
| 100+ | $0.34 | $34.00 |
| 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) | 3.2V |
| 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 LP3985 from Texas Instruments is a fixed 3.2V LDO regulator offering 150mA output. Its ultra-low dropout of 0.1V at full load and 150µA quiescent current make it efficient for battery-powered devices. The SOT-23-5 package is industry-standard. With 50dB PSRR at 1kHz, it provides stable power for portable consumer electronics.
- Ultra-Low Dropout: 0.1V at 150mA maximizes battery life in portable devices.
- Industry-Standard Package: SOT-23-5 is widely used and easy to source.
- Stable Output: 50dB PSRR at 1kHz reduces noise from power sources.
- Reliable Performance: 150mA output supports a wide range of low-power ICs.
Digital Cameras
150mA output and 0.1V dropout support image processors while maintaining battery life.
Portable Media Players
Stable 3.2V rail for audio codecs and display controllers with 50dB PSRR at 1kHz.
GPS Receivers
Low dropout ensures reliable operation from a 3.7V Li-ion battery even when nearly discharged.
Wireless Headsets
Compact SOT-23-5 package and low dropout enable slim designs with extended talk time.
Industrial Handhelds
Provides clean power for barcode scanners and RFID readers in rugged environments.
Smart Meters
150mA output supports communication modules while 40dB PSRR at 10kHz filters switching noise.
- Q: What is the output voltage?
- A: Fixed 3.2V output.
- Q: What is the maximum output current?
- A: 150mA.
- Q: What is the input voltage range?
- A: Input must be above 3.3V (3.2V + 0.1V dropout); typical max VIN is 6V.
- Q: What is the dropout voltage?
- A: Very low dropout of 0.1V at 150mA.
- Q: What is the quiescent current?
- A: 150µA quiescent current.
- Q: What package is available?
- A: SOT-23-5 package.
- Q: What is the output voltage?
- A: Fixed 3.2V output.
- Q: What is the maximum output current?
- A: 150mA.
- Q: What is the input voltage range?
- A: Input must be above 3.3V (3.2V + 0.1V dropout); typical max VIN is 6V.
- Q: What is the dropout voltage?
- A: Very low dropout of 0.1V at 150mA.
- Q: What is the quiescent current?
- A: 150µA quiescent current.
- Q: What package is available?
- A: SOT-23-5 package.

LP3985IM5-3.2/NOPB.pdf