Texas Instruments LM1117MP-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.31 | $1.31 |
| 15+ | $1.27 | $19.05 |
| 25+ | $1.24 | $31.00 |
| 50+ | $1.17 | $58.50 |
| 100+ | $1.04 | $104.00 |
| N+ | $0.21 | 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 LM1117MP-1.8/NOPB is a robust low dropout linear regulator from Texas Instruments, designed to deliver a fixed 1.8V output with a maximum current of 800mA. Its low dropout voltage of 1.2V ensures efficient operation even with minimal input-to-output voltage headroom. Housed in a compact SOT-223 package, it provides a reliable and simple power solution for a wide range of applications, from digital cores to sensitive analog circuits.
- High Output Current: Capable of delivering up to 800mA, making it suitable for powering a variety of digital ICs and modules.
- Low Dropout Voltage: The 1.2V dropout at full load allows for efficient regulation from lower voltage rails, reducing power dissipation.
- Excellent Ripple Rejection: With 75dB PSRR at 120Hz, it effectively filters out power supply noise, ensuring clean power for sensitive electronics.
- Stable Fixed Output: Provides a precise 1.8V output, eliminating the need for external resistors and simplifying circuit design.
FPGA and DSP Core Power
Modern FPGAs and DSPs often require a stable 1.8V core supply. The LM1117MP-1.8/NOPB provides up to 800mA, sufficient for many mid-range devices, with a low dropout voltage to maximize efficiency from a 3.3V rail.
Digital Logic and ASIC Supplies
Many digital ASICs and microcontrollers operate at 1.8V I/O and core voltages. This regulator offers a clean, low-noise output, ensuring reliable logic transitions and reducing the risk of data corruption.
Battery-Powered Portable Devices
In battery-operated equipment, the low dropout voltage of 1.2V allows the regulator to continue providing a stable 1.8V output even as the battery voltage depletes, extending the usable runtime.
Post-Regulation for Switching Converters
Using the LM1117MP-1.8/NOPB after a buck converter can significantly reduce output ripple and noise. Its 75dB PSRR at 120Hz helps attenuate low-frequency switching artifacts, providing a cleaner supply for sensitive analog circuits.
Industrial Sensor Interfaces
For industrial sensors requiring a precise 1.8V reference, this LDO offers excellent line and load regulation, maintaining a stable voltage for accurate analog-to-digital conversions.
- Q: What is the output voltage of the LM1117MP-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 of output current.
- Q: What is the input voltage range?
- A: The input voltage must be at least 1.2V above the output (dropout) and can go up to 15V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at full load (800mA).
- Q: What is the quiescent current?
- A: The quiescent current is 5mA.
- Q: What package is this device available in?
- A: It comes in a SOT-223 package.
LM1117MP-1.8/NOPB.pdf
- Q: What is the output voltage of the LM1117MP-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 of output current.
- Q: What is the input voltage range?
- A: The input voltage must be at least 1.2V above the output (dropout) and can go up to 15V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.2V at full load (800mA).
- Q: What is the quiescent current?
- A: The quiescent current is 5mA.
- Q: What package is this device available in?
- A: It comes in a SOT-223 package.
