Texas Instruments LP2981AIM5-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.00 | $1.00 |
| 15+ | $0.97 | $14.55 |
| 25+ | $0.95 | $23.75 |
| 50+ | $0.89 | $44.50 |
| 100+ | $0.79 | $79.00 |
| N+ | $0.16 | 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) | 16V |
| Voltage - Output (Min/Fixed) | 3.3V |
| 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 LP2981AIM5-3.3/NOPB is a fixed 3.3V LDO regulator from Texas Instruments, rated for 100mA output. It features a low quiescent current of 95µA and a dropout voltage of 0.37V at full load. Housed in a SOT-23-5 package, it provides 63dB PSRR at 1kHz, making it suitable for battery-powered and noise-sensitive applications.
- Low Power Consumption: 95µA quiescent current extends battery life in portable devices.
- Stable Noise Performance: 63dB PSRR at 1kHz reduces supply noise for sensitive analog circuits.
- Compact and Lightweight: SOT-23-5 package enables miniaturized PCB layouts.
- Reliable Dropout: 0.37V dropout ensures operation even with low input margins.
Precision Sensor Interfaces
The low dropout and stable 3.3V output ensure accurate supply for bridge sensors and ADCs in industrial data acquisition systems.
Portable GPS Devices
With 63dB PSRR, it filters switching noise from DC-DC converters, providing clean power to GPS receivers for improved positioning accuracy.
Low-Power Wireless Nodes
100mA output and 95µA quiescent current support Zigbee and LoRa modules, balancing performance with battery conservation.
Medical Wearables
Compact SOT-23-5 package and reliable regulation make it suitable for continuous glucose monitors and insulin pumps.
Consumer Electronics
Ideal for digital cameras and handheld gaming devices, providing a stable 3.3V rail for image sensors and processors.
Industrial Process Controllers
Wide input range accommodates 12V/24V industrial supplies, stepping down to 3.3V for logic and communication interfaces.
- Q: What is the output voltage?
- A: The LP2981AIM5-3.3/NOPB outputs a fixed 3.3V.
- Q: What is the maximum current?
- A: It provides up to 100mA of output current.
- Q: What is the input voltage range?
- A: Input voltage can range from 3.3V to 16V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.37V at 100mA.
- Q: What is the quiescent current?
- A: Quiescent current is typically 95µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP2981AIM5-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The LP2981AIM5-3.3/NOPB outputs a fixed 3.3V.
- Q: What is the maximum current?
- A: It provides up to 100mA of output current.
- Q: What is the input voltage range?
- A: Input voltage can range from 3.3V to 16V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout is typically 0.37V at 100mA.
- Q: What is the quiescent current?
- A: Quiescent current is typically 95µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
