Texas Instruments LP2981-28DBVR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.44 | $0.44 |
| 15+ | $0.42 | $6.30 |
| 25+ | $0.41 | $10.25 |
| 50+ | $0.39 | $19.50 |
| 100+ | $0.35 | $35.00 |
| N+ | $0.07 | 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 |
| ROHS |  |
The LP2981-28DBVR from Texas Instruments is a fixed 2.8V LDO linear regulator designed for low-power and battery-operated applications. It delivers up to 100mA of output current with a low dropout voltage of 0.37V. The device features a quiescent current of 95 µA and a PSRR of 63dB at 1kHz, providing a stable and clean output. Housed in a SOT-23-5 package, it offers a compact and reliable power management solution.
- Low Dropout Voltage: 0.37V at 100mA enables efficient operation from low input voltages.
- Proven Reliability: Manufactured by Texas Instruments, ensuring high quality and long-term stability.
- Stable Output: 63dB PSRR at 1kHz provides adequate noise rejection for many analog applications.
- Compact SOT-23-5 Package: Suitable for space-constrained designs without compromising performance.
Battery-Powered Instruments
The low dropout of 0.37V allows operation from a nearly depleted battery, maximizing usable capacity in portable meters and test equipment.
Automotive Electronics
Provides a stable 2.8V rail for sensors and microcontrollers in automotive systems, with Texas Instruments' reliability for harsh environments.
Networking Equipment
Ideal for powering low-voltage logic and interface ICs in routers and switches, ensuring stable operation with minimal heat generation.
Consumer Audio Players
Delivers clean power to audio codecs and amplifiers, with 63dB PSRR helping to reduce audible noise and hum.
Industrial Process Control
Offers a precise and stable voltage for analog-to-digital converters and sensor interfaces in industrial automation, ensuring accurate measurements.
- Q: What is the output voltage?
- A: The fixed output voltage is 2.8V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at a 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What is the PSRR?
- A: It offers a PSRR of 63dB at 1kHz.
- Q: What package is this available in?
- A: It comes in a SOT-23-5 package.
LP2981-28DBVR.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 2.8V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at a 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What is the PSRR?
- A: It offers a PSRR of 63dB at 1kHz.
- Q: What package is this available in?
- A: It comes in a SOT-23-5 package.
