National Semiconductor LP3879SD-1.2
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.04 | $2.04 |
| 15+ | $0.47 | $7.05 |
| 25+ | $0.46 | $11.50 |
| 50+ | $0.43 | $21.50 |
| 100+ | $0.38 | $38.00 |
| N+ | $0.08 | 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) | 6V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 1.4 mA |
| Current - Supply (Max) | 2.2 mA |
| PSRR | 60dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
The LP3879SD-1.2 from National Semiconductor is a low dropout linear regulator providing a fixed 1.2V output at up to 800mA. With a low quiescent current of 1.4mA and 60dB PSRR at 1kHz, it delivers clean, efficient power for low-voltage digital applications. The 8-WSON (4x4) package offers a compact solution for space-constrained designs.
- High Efficiency: 1.4mA quiescent current reduces power loss in battery systems.
- Compact Package: 8-WSON (4x4) saves board space.
- Stable Low Voltage: 1.2V output ideal for modern digital cores.
- Good Ripple Rejection: 60dB PSRR at 1kHz ensures clean supply.
Low-Voltage Digital Cores
Provides 1.2V rail for modern MCUs and FPGAs operating at sub-1.5V core voltages.
DDR Memory Termination
Stable 1.2V supply for DDR3/DDR4 VTT rails, ensuring signal integrity.
Portable Instrumentation
800mA output with low quiescent current suits battery-powered test equipment.
Networking Equipment
Reliable 1.2V for switch ASICs and PHY transceivers in routers and switches.
FPGA Auxiliary Supplies
Powers auxiliary logic and I/O banks requiring precise low-voltage regulation.
Medical Monitoring Devices
Compact WSON package and stable output support portable patient monitors.
- Q: What is the output voltage of the LP3879SD-1.2?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- Q: What is the quiescent current?
- A: Quiescent current is 1.4mA.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package.
- Q: What is the PSRR performance?
- A: PSRR is 60dB at 1kHz.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
LP3879SD-1.2.pdf
- Q: What is the output voltage of the LP3879SD-1.2?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA.
- Q: What is the quiescent current?
- A: Quiescent current is 1.4mA.
- Q: What package is available?
- A: It comes in an 8-WSON (4x4) package.
- Q: What is the PSRR performance?
- A: PSRR is 60dB at 1kHz.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
