National Semiconductor LP3961EMP-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.76 | $7.76 |
| 15+ | $1.78 | $26.70 |
| 25+ | $1.75 | $43.75 |
| 50+ | $1.65 | $82.50 |
| 100+ | $1.46 | $146.00 |
| N+ | $0.29 | 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) | 7V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | - |
| 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 | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223 |
The LP3961EMP-1.8/NOPB is a fixed 1.8V low dropout linear regulator rated for 800mA output. Housed in a SOT-223 package, it features an ultra-low dropout voltage of 0.35V at full load and a quiescent current of 9 mA. This makes it an efficient choice for powering digital cores and I/O rails in compact systems.
- Ultra-Low Dropout: 0.35V at 800mA maximizes headroom and efficiency in low-voltage systems.
- High Output Current: 800mA supports demanding digital loads like FPGAs and processors.
- Compact SOT-223: Balances thermal performance with small footprint.
- Stable 1.8V Rail: Fixed output ensures accurate voltage for sensitive digital logic.
FPGA and CPLD Core Supplies
The 800mA output and low 0.35V dropout make it ideal for powering 1.8V FPGA cores, ensuring stable operation during high-speed logic switching.
DDR Memory Termination
Provides a clean 1.8V rail for DDR2/DDR3 memory termination, reducing signal integrity issues in high-speed digital systems.
Networking Equipment
Supports 1.8V I/O and core voltages in routers and switches, where reliable power delivery is essential for continuous operation.
Portable Test Instruments
The SOT-223 package and low dropout enable efficient power conversion in battery-operated multimeters and oscilloscopes.
Embedded Processors
Powers 1.8V I/O banks on ARM and x86 embedded processors, providing a stable supply for peripheral interfaces.
- Q: What is the output voltage of the LP3961EMP-1.8/NOPB?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at an 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a SOT-223 package.
LP3961EMP-1.8/NOPB.pdf
- Q: What is the output voltage of the LP3961EMP-1.8/NOPB?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at an 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA.
- Q: What package is available?
- A: It comes in a SOT-223 package.
