National Semiconductor LM1117MPX-1.8
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.80 | $1.80 |
| 15+ | $0.41 | $6.15 |
| 25+ | $0.41 | $10.25 |
| 50+ | $0.38 | $19.00 |
| 100+ | $0.34 | $34.00 |
| N+ | $0.07 | 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) | 15V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.2V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 5 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 75dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223 |
The LM1117MPX-1.8 from National Semiconductor is a fixed 1.8V low dropout regulator capable of delivering 800mA. With a dropout voltage of 1.2V at full load and 75dB PSRR at 120Hz, it provides clean, stable power for digital and analog circuits. The SOT-223 package offers good thermal dissipation for higher current applications.
- High Output Current: 800mA supports power-hungry digital loads.
- Excellent Low-Frequency Ripple Rejection: 75dB PSRR at 120Hz cleans mains-related noise.
- Low Dropout: 1.2V dropout allows operation with modest headroom.
- Thermally Efficient Package: SOT-223 aids heat dissipation in continuous operation.
High-Current Digital Rails
800mA output capability supports FPGAs, DSPs, and multi-rail processors requiring a stable 1.8V core supply.
Post-Regulation for Switching Converters
75dB PSRR at 120Hz effectively attenuates low-frequency ripple from AC-DC or DC-DC stages, providing a clean analog supply.
Industrial Control Systems
SOT-223 package with robust thermal performance suits industrial sensors, PLCs, and motor controllers operating in harsh environments.
Audio Equipment
Low noise and high PSRR at mains frequency make it suitable for powering audio codecs and op-amps in mixers or interfaces.
Networking Equipment
Reliable 1.8V rail for Ethernet PHYs and switch ICs, ensuring consistent performance in 24/7 operation.
- Q: What is the output voltage?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: Up to 800mA.
- Q: What is the input voltage range?
- A: Not specified in provided data; refer to datasheet.
- Q: What is the dropout voltage?
- A: 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: 5 mA.
- Q: What package is available?
- A: SOT-223.
LM1117MPX-1.8.pdf
- Q: What is the output voltage?
- A: Fixed 1.8V output.
- Q: What is the maximum output current?
- A: Up to 800mA.
- Q: What is the input voltage range?
- A: Not specified in provided data; refer to datasheet.
- Q: What is the dropout voltage?
- A: 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: 5 mA.
- Q: What package is available?
- A: SOT-223.
