Overview
The LM1117MP-1.8/NOPB is a low-dropout linear voltage regulator produced by Texas Instruments. This device is part of the LM1117 series, which is known for its high performance and versatility in voltage regulation. The LM1117MP-1.8/NOPB specifically provides a fixed output voltage of 1.8V and is capable of delivering up to 800mA of output current. It is available in the SOT-223 package, making it suitable for space-constrained applications. The regulator features current limiting and thermal shutdown, ensuring reliable operation under various conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.8 | V |
| Output Current | Up to 800 | mA |
| Input Voltage Range | Up to 15 | V |
| Dropout Voltage | 1.2 (at 800 mA) | V |
| Line Regulation | 0.2% (maximum) | % |
| Load Regulation | 0.4% (maximum) | % |
| Operating Temperature Range | 0°C to +125°C | °C |
| Package Type | SOT-223 | |
| Current Limit | 800 to 1500 | mA |
| Quiescent Current | 5 to 10 | mA |
Key Features
- Low dropout voltage of 1.2V at 800mA load current
- High accuracy output voltage with ±1% tolerance
- Current limiting and thermal shutdown for protection
- Space-saving SOT-223 package
- Line and load regulation of 0.2% and 0.4% respectively
- Ripple rejection ratio of 75dB at 120Hz
- Minimum of 10-µF tantalum capacitor required at the output for stability
Applications
- AC drive power stage modules
- Merchant network and server power supplies
- Industrial AC/DC power supplies
- Ultrasound scanners
- Servo drive control modules
Q & A
- What is the output voltage of the LM1117MP-1.8/NOPB?
The output voltage of the LM1117MP-1.8/NOPB is 1.8V.
- What is the maximum output current of the LM1117MP-1.8/NOPB?
The maximum output current is up to 800mA.
- What is the dropout voltage of the LM1117MP-1.8/NOPB at full load?
The dropout voltage at 800mA load current is 1.2V.
- What are the key protection features of the LM1117MP-1.8/NOPB?
The device features current limiting and thermal shutdown.
- What is the recommended operating temperature range for the LM1117MP-1.8/NOPB?
The operating temperature range is from 0°C to +125°C.
- What type of package is the LM1117MP-1.8/NOPB available in?
The device is available in the SOT-223 package.
- What is the line regulation of the LM1117MP-1.8/NOPB?
The line regulation is 0.2% (maximum).
- What is the load regulation of the LM1117MP-1.8/NOPB?
The load regulation is 0.4% (maximum).
- What is the ripple rejection ratio of the LM1117MP-1.8/NOPB?
The ripple rejection ratio is 75dB at 120Hz.
- What type of capacitor is recommended for output stability?
A minimum of 10-µF tantalum capacitor is recommended at the output.
