Texas Instruments LP2981IM5X-5.0
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.76 | $2.76 |
| 15+ | $1.47 | $22.05 |
| 25+ | $1.44 | $36.00 |
| 50+ | $1.36 | $68.00 |
| 100+ | $1.20 | $120.00 |
| N+ | $0.24 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Obsolete |
| Output Type | Positive |
| Number of Regulators | Fixed |
| 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 LP2981IM5X-5.0 is a reliable low-dropout linear regulator from National Semiconductor, delivering a fixed 5.0V output. It supports up to 100mA of load current with a low quiescent current of 95µA, making it an efficient choice for battery-powered applications. The dropout voltage is a modest 0.37V at full load, allowing operation with minimal input-output voltage difference. With 63dB PSRR at 1kHz, it provides clean, stable power for noise-sensitive circuits. Housed in a compact SOT-23-5 package, this LDO is ideal for space-constrained designs.
- Low Quiescent Current: At 95µA, it minimizes power consumption, making it ideal for battery-operated devices.
- Compact SOT-23-5 Package: The small footprint is perfect for high-density PCB layouts in portable electronics.
- Stable 5.0V Output: Provides a precise, regulated supply for consistent performance of 5V logic and analog circuits.
- Low Dropout Voltage: The 0.37V dropout at 100mA ensures efficient operation even with limited input headroom.
Battery-Powered Microcontrollers
The 5.0V output and 100mA current are perfect for powering 5V microcontrollers in battery-operated devices, while the 95µA quiescent current extends battery life.
Sensor Signal Conditioning
With 63dB PSRR at 1kHz, this LDO provides clean power for sensor signal conditioning circuits, ensuring accurate analog-to-digital conversions.
Portable Consumer Electronics
From digital cameras to handheld games, the LP2981IM5X-5.0 offers a reliable 5V rail for logic and display drivers in compact SOT-23-5 packaging.
Industrial Process Control
For industrial sensors and transmitters, this regulator provides a stable 5V supply, with the low dropout ensuring operation even with fluctuating input voltages.
Telecom Interface Circuits
It can power RS-232 transceivers and other telecom interfaces that require a 5V supply, ensuring reliable data communication.
LED Driver Power
For simple LED driver circuits, the LP2981IM5X-5.0 provides a regulated 5V rail, ensuring consistent brightness and protecting LEDs from voltage spikes.
- Q: What is the output voltage of the LP2981IM5X-5.0?
- A: This LDO provides a fixed 5.0V output, ideal for powering 5V logic and analog circuits.
- Q: What is the maximum output current?
- A: The LP2981IM5X-5.0 can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The device operates with an input voltage of 5V or higher, with a dropout of 0.37V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 95µA, helping to extend battery life in portable devices.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA, allowing efficient operation with minimal headroom.
- Q: What package is available?
- A: It comes in a compact SOT-23-5 package, ideal for space-constrained designs.
LP2981IM5X-5.0.pdf
- Q: What is the output voltage of the LP2981IM5X-5.0?
- A: This LDO provides a fixed 5.0V output, ideal for powering 5V logic and analog circuits.
- Q: What is the maximum output current?
- A: The LP2981IM5X-5.0 can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The device operates with an input voltage of 5V or higher, with a dropout of 0.37V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 95µA, helping to extend battery life in portable devices.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA, allowing efficient operation with minimal headroom.
- Q: What package is available?
- A: It comes in a compact SOT-23-5 package, ideal for space-constrained designs.
