Texas Instruments LP3985ITLX-3.1/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 15+ | $0.60 | $9.00 |
| 25+ | $0.59 | $14.75 |
| 50+ | $0.55 | $27.50 |
| 100+ | $0.49 | $49.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Cut Tape (CT) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3.1V |
| 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 | 5-WFBGA, DSBGA |
| Supplier Device Package | 5-DSBGA (1.41x1.08) |
| ROHS |
The LP3985ITLX-3.1/NOPB from Texas Instruments is a precision LDO linear regulator delivering a fixed 3.1V output at up to 150mA. Its ultra-low dropout voltage of just 0.1V at full load maximizes efficiency in battery-powered designs. The compact 5-DSBGA (1.41x1.08) package and 150 µA quiescent current make it an excellent choice for portable and space-constrained applications.
- Ultra-Low Dropout: 0.1V at 150mA enables operation from low-voltage sources, extending battery life.
- Space-Saving Package: 5-DSBGA package is ideal for miniaturized PCB designs.
- Stable Performance: PSRR of 50dB at 1kHz provides adequate noise filtering for consumer electronics.
- Reliable Brand: Texas Instruments ensures high-quality manufacturing and long-term availability.
Battery-Powered Consumer Electronics
The ultra-low dropout voltage of 0.1V at 150mA allows operation from nearly depleted batteries, maximizing usable capacity in devices like remote controls and toys.
Portable GPS Receivers
Stable 3.1V output with PSRR of 50dB at 1kHz ensures clean power for GPS RF front-ends, improving signal acquisition sensitivity.
Bluetooth Audio Devices
The small DSBGA package and low dropout make it ideal for powering Bluetooth audio SoCs in earbuds and portable speakers.
Digital Cameras
Provides clean power for image processors and memory cards, ensuring reliable operation during high-speed data writes.
Medical Wearables
Compact size and stable output make it suitable for continuous glucose monitors and other wearable health sensors.
- Q: What is the output voltage of the LP3985ITLX-3.1?
- A: This LDO provides a fixed 3.1V output.
- Q: What is the maximum output current?
- A: It can supply up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.1V at 150mA.
- Q: What is the quiescent current?
- A: The quiescent current is 150 µA.
- Q: What package is available?
- A: It comes in a 5-DSBGA (1.41x1.08) package.
- Q: What is the output voltage of the LP3985ITLX-3.1?
- A: This LDO provides a fixed 3.1V output.
- Q: What is the maximum output current?
- A: It can supply up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.1V at 150mA.
- Q: What is the quiescent current?
- A: The quiescent current is 150 µA.
- Q: What package is available?
- A: It comes in a 5-DSBGA (1.41x1.08) package.

LP3985ITLX-3.1/NOPB.pdf