产品概览
The LM1117MPX-1.8/NOPB from Texas Instruments is an 800mA low-dropout linear regulator with a fixed 1.8V output in an SOT-223 package. With 1.1V typical dropout at 800mA and ±1% output accuracy, it is widely used for powering 1.8V logic rails from 3.3V or 5V supplies.
主要规格
| Output Voltage | 1.8V (fixed) |
| 输出电流 | 800mA |
| 输入电压 | Up to 15V |
| Dropout Voltage | 1.1V (typ) @800mA |
| 静态电流 | 5mA (typ) |
| Output Accuracy | ±1% |
| 工作温度 | -40°C to +125°C |
| 包装 | SOT-223 (MPX suffix) |
特点
- 800mA output current for medium-power logic rails
- 1.1V dropout voltage at full load for efficient regulation
- ±1% output voltage accuracy for tight tolerances
- Internal current limiting and thermal shutdown
- SOT-223 surface-mount package for easy assembly
- Industry-standard pinout compatible with LD1117/AMS1117
应用
- 1.8V logic rail from 3.3V or 5V supply
- FPGA and CPLD core voltage regulation
- Post-regulation after switching pre-regulators
- Embedded system I/O power supply