National Semiconductor LM2931AT-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.44 | $2.44 |
| 15+ | $0.56 | $8.40 |
| 25+ | $0.55 | $13.75 |
| 50+ | $0.52 | $26.00 |
| 100+ | $0.46 | $46.00 |
| N+ | $0.09 | 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) | 26V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.3V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 15 mA |
| Current - Supply (Max) | 30 mA |
| PSRR | 80dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |  |
The LM2931AT-5.0/NOPB is a fixed 5V low dropout linear regulator capable of delivering 100mA. It features a low dropout voltage of 0.3V and excellent ripple rejection of 80dB at 120Hz, making it suitable for noise-sensitive applications. The TO-220-3 package ensures efficient heat dissipation for reliable performance.
- Stable 5V output with 100mA capability, ideal for logic and sensor power.
- Low dropout of 0.3V extends battery runtime in portable designs.
- High PSRR (80dB) filters power supply noise for clean analog rails.
- TO-220 package offers superior thermal performance for continuous operation.
Automotive Power Supplies
With a 5V fixed output and 100mA capability, the LM2931AT-5.0/NOPB is ideal for powering sensors and microcontrollers in automotive body electronics, where its 80dB PSRR at 120Hz helps reject alternator noise.
Battery-Powered Equipment
The low dropout of 0.3V at 100mA maximizes battery life in portable instruments, allowing operation until the battery is nearly fully discharged.
Industrial Control Systems
Its TO-220 package provides excellent thermal dissipation for industrial controllers requiring a stable 5V rail for logic circuits and analog interfaces.
Telecom Line Cards
The high PSRR ensures clean power for telecom codecs and DSPs, minimizing crosstalk and bit errors in voice/data processing.
Post-Regulation for Switching Supplies
Use it after a DC-DC converter to reduce ripple and switching noise, providing a clean 5V supply for sensitive analog loads.
Appliance Control Boards
Reliable 5V regulation for microcontrollers in white goods, with thermal shutdown and current limiting for robust operation.
- Q: What is the output voltage of the LM2931AT-5.0/NOPB?
- A: The fixed output voltage is 5V.
- 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 for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 15 mA.
- Q: What package is available?
- A: It comes in a TO-220-3 package.
LM2931AT-5.0/NOPB.pdf
- Q: What is the output voltage of the LM2931AT-5.0/NOPB?
- A: The fixed output voltage is 5V.
- 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 for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 15 mA.
- Q: What package is available?
- A: It comes in a TO-220-3 package.
