Texas Instruments LP2981-28DBVT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.14 | $1.14 |
| 15+ | $1.10 | $16.50 |
| 25+ | $1.08 | $27.00 |
| 50+ | $1.02 | $51.00 |
| 100+ | $0.90 | $90.00 |
| N+ | $0.18 | 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) | 16V |
| Voltage - Output (Min/Fixed) | 2.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.37V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 95 µA |
| Current - Supply (Max) | 1.7 mA |
| PSRR | 63dB (1kHz) |
| 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 |
The LP2981-28DBVT from Texas Instruments is a fixed 2.8V LDO regulator delivering up to 100mA. It features a low dropout voltage of 0.37V and a quiescent current of 95 µA, making it ideal for battery-powered applications. The SOT-23-5 package is compact and suitable for space-limited designs.
- Ultra-Low Dropout: 0.37V at 100mA maximizes efficiency in battery applications.
- Low Quiescent Current: 95 µA extends standby time in portable devices.
- Compact SOT-23-5: Saves PCB space for miniaturized products.
- Good Noise Rejection: 63dB PSRR at 1kHz ensures clean power for analog circuits.
Battery-Powered Sensors
Regulate 2.8V for low-power sensors, with 95 µA quiescent current to preserve battery life.
Portable Audio Players
Provide clean 2.8V supply for audio codecs, with 63dB PSRR at 1kHz to reduce noise.
Wearable Fitness Trackers
Power MCU and Bluetooth modules, with SOT-23-5 package fitting tiny PCBs.
Remote Controls
Maintain stable voltage for IR transmitters and microcontrollers, ensuring reliable operation.
Medical Monitoring Devices
Supply 2.8V for glucose meters or heart rate monitors, with low dropout for extended battery use.
Smart Home Sensors
Power Zigbee or Z-Wave modules, with low quiescent current for always-on operation.
- Q: What is the output voltage of the LP2981-28DBVT?
- A: It provides a fixed output voltage of 2.8V.
- Q: What is the maximum output current?
- A: The device can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly listed in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA, which is low for this current level.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA, making it suitable for battery-operated devices.
- Q: What package is available?
- A: It comes in a small SOT-23-5 package.
LP2981-28DBVT.pdf
- Q: What is the output voltage of the LP2981-28DBVT?
- A: It provides a fixed output voltage of 2.8V.
- Q: What is the maximum output current?
- A: The device can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly listed in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA, which is low for this current level.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA, making it suitable for battery-operated devices.
- Q: What package is available?
- A: It comes in a small SOT-23-5 package.
