Texas Instruments LM1117MPX-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.12 | $1.12 |
| 15+ | $1.09 | $16.35 |
| 25+ | $1.06 | $26.50 |
| 50+ | $1.00 | $50.00 |
| 100+ | $0.89 | $89.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 |
| ROHS |
The LM1117MPX-1.8/NOPB is a fixed 1.8V low dropout regulator from Texas Instruments, capable of delivering 800mA of output current. It features a dropout voltage of 1.2V at full load and a quiescent current of 5mA. With excellent PSRR of 75dB at 120Hz, it provides clean power for noise-sensitive digital circuits. The SOT-223 package offers good thermal performance for medium-power applications.
- High Output Current: 800mA capability supports demanding digital loads like FPGAs and DSPs.
- Excellent Noise Rejection: 75dB PSRR at 120Hz filters line noise for stable operation.
- Wide Input Range: Accepts inputs from 2.7V to 15V, providing design flexibility.
- Robust Thermal Package: SOT-223 package dissipates heat efficiently for reliable performance.
FPGA and DSP Core Power
The LM1117MPX-1.8 provides up to 800mA at 1.8V, making it ideal for powering the core voltage of FPGAs, DSPs, and CPLDs in digital processing systems.
DDR Memory Termination
Its high current capability supports DDR memory bus termination, ensuring stable 1.8V for DDR2/DDR3 memory modules in computing applications.
Networking and Communication
Used in routers, switches, and base stations to power low-voltage logic and PHY chips, benefiting from its high PSRR of 75dB at 120Hz.
Industrial Microcontrollers
Provides a reliable 1.8V supply for low-power microcontrollers and embedded processors in industrial automation and control systems.
Consumer Electronics
Powers application processors and memory in set-top boxes, gaming consoles, and smart TVs, ensuring stable operation under varying loads.
Point-of-Load Regulation
As a local regulator, it converts higher voltages down to 1.8V near the load, reducing noise and improving transient response in mixed-signal designs.
- Q: What is the output voltage?
- 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 from 2.7V to 15V (for 1.8V output).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 5mA.
- Q: What package is available?
- A: It comes in a SOT-223 package.
- Q: What is the output voltage?
- 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 from 2.7V to 15V (for 1.8V output).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at 800mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 5mA.
- Q: What package is available?
- A: It comes in a SOT-223 package.

LM1117MPX-1.8/NOPB.pdf