Texas Instruments LP2981A-50DBVT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.82 | $0.82 |
| 15+ | $0.79 | $11.85 |
| 25+ | $0.77 | $19.25 |
| 50+ | $0.73 | $36.50 |
| 100+ | $0.65 | $65.00 |
| N+ | $0.13 | 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) | 5V |
| 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 LP2981A-50DBVT from Texas Instruments is a low dropout linear regulator providing a fixed 5V output with up to 100mA of current. With a dropout voltage of 0.37V at full load and a quiescent current of 95 µA, it offers efficient power conversion for battery-operated and industrial applications. The SOT-23-5 package provides a compact solution, while 63dB PSRR at 1kHz ensures clean output.
- Stable 5V Output: Provides a reliable power rail for 5V logic and analog circuits.
- Low Dropout Voltage: 0.37V dropout at 100mA allows operation with minimal headroom.
- Good Ripple Rejection: 63dB PSRR at 1kHz filters input noise effectively.
- Compact SOT-23-5 Package: Suitable for space-constrained PCB designs.
Automotive ECU Power Supplies
The LP2981A-50DBVT provides a stable 5V rail for engine control units, with 63dB PSRR at 1kHz ensuring reliable operation in noisy automotive environments.
Industrial Process Controllers
For PLCs and industrial controllers, this LDO delivers clean 5V power to microcontrollers and sensors, maintaining accuracy in harsh industrial settings.
Battery-Powered Test Equipment
With 95 µA quiescent current, it's suitable for portable multimeters and oscilloscopes, extending battery life while providing stable 5V reference.
Medical Monitoring Devices
The low dropout and stable output make it ideal for patient monitors, ensuring consistent 5V power for vital sign sensors.
Telecommunication Base Stations
In telecom equipment, the LP2981A-50DBVT regulates 5V for control logic, with good ripple rejection to maintain signal integrity.
Consumer Appliances
For smart home appliances, this regulator provides reliable 5V power to control boards, ensuring consistent operation.
- Q: What is the output voltage of the LP2981A-50DBVT?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 5V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP2981A-50DBVT.pdf
- Q: What is the output voltage of the LP2981A-50DBVT?
- A: It provides a fixed 5V output.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage range starts from 5V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
