Texas Instruments LP3985ITL-3.3/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) | 3.3V |
| 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 | 5-WFBGA, DSBGA |
| Supplier Device Package | 5-DSBGA (1.41x1.08) |
| ROHS |
The Texas Instruments LP3985 is a high-performance low-dropout regulator offering a fixed 3.3V output at up to 150mA. Its ultra-low quiescent current of 150µA and dropout voltage of just 0.1V make it an excellent choice for battery-operated devices. The compact 5-DSBGA package is perfect for space-constrained PCB layouts.
- Ultra-Compact Design: The 5-DSBGA package (1.41x1.08mm) saves significant board space.
- Low Quiescent Current: 150µA helps meet stringent standby power requirements.
- High PSRR: 50dB at 1kHz provides excellent noise rejection for RF and analog circuits.
- Low Dropout: 0.1V at 150mA allows operation from nearly depleted batteries.
Microcontroller Power Rails
The 3.3V output is the standard for many MCUs, and the LP3985's low dropout ensures stable operation even with a partially discharged battery.
Wireless Connectivity Modules
Power Wi-Fi, BLE, and Zigbee modules with clean 3.3V, leveraging the 50dB PSRR to reduce interference.
Portable Consumer Electronics
Ideal for digital cameras, MP3 players, and handheld gaming devices where size and efficiency are critical.
Sensor Interfaces
Provide a stable 3.3V rail for MEMS sensors, accelerometers, and temperature sensors in industrial IoT.
FPGA and CPLD Core Supplies
Use the LP3985 for low-power FPGA cores that require a clean 3.3V supply.
Automotive Telematics
In non-critical automotive systems, this LDO provides reliable power for telematics and infotainment modules.
- Q: What is the output voltage of the LP3985ITL-3.3/NOPB?
- A: The fixed output voltage is 3.3V.
- 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 listed, typical for this device).
- 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 5-DSBGA (1.41x1.08) package.
- Q: What is the output voltage of the LP3985ITL-3.3/NOPB?
- A: The fixed output voltage is 3.3V.
- 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 listed, typical for this device).
- 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 5-DSBGA (1.41x1.08) package.

LP3985ITL-3.3/NOPB.pdf