National Semiconductor LP2981IM5-4.7
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.96 | $0.96 |
| 15+ | $0.22 | $3.30 |
| 25+ | $0.22 | $5.50 |
| 50+ | $0.20 | $10.00 |
| 100+ | $0.18 | $18.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 4.7V |
| 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 LP2981IM5-4.7 is a fixed 4.7V low dropout regulator capable of delivering 100mA. With a low quiescent current of 95µA and 63dB PSRR at 1kHz, it provides clean, stable power for a wide range of applications. The SOT-23-5 package ensures easy integration into compact designs.
- High PSRR: 63dB at 1kHz effectively filters supply noise for sensitive circuits.
- Low Quiescent Current: 95µA IQ helps prolong battery life in portable devices.
- Low Dropout: 0.37V at 100mA allows operation with minimal input-output differential.
- Compact SOT-23-5: Space-saving package for dense PCB layouts.
Automotive Sensor Interfaces
Provides a stable 4.7V rail for sensors and transducers, with 63dB PSRR at 1kHz to reject alternator noise.
Industrial Control Systems
Regulates 4.7V for PLC I/O modules and industrial microcontrollers, ensuring reliable operation in noisy environments.
Battery Chargers
Powers 4.7V control logic in charging circuits, maintaining accuracy with low quiescent current.
Portable GPS Devices
Delivers clean 4.7V to GPS receivers, improving signal acquisition with high PSRR.
Telecom Equipment
Provides a stable 4.7V rail for line drivers and interface circuits, ensuring consistent communication.
Consumer Electronics
Ideal for 4.7V logic rails in remote controls and small appliances, offering low dropout and compact size.
- Q: What is the output voltage of the LP2981IM5-4.7?
- A: The fixed output voltage is 4.7V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP2981IM5-4.7.pdf
- Q: What is the output voltage of the LP2981IM5-4.7?
- A: The fixed output voltage is 4.7V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
