Overview
The LM1117MPX-5.0 from Texas Instruments is a low dropout voltage regulator designed to provide a stable output voltage with high efficiency. This regulator is part of the LM1117 series, which offers various fixed and adjustable output voltage options. The LM1117MPX-5.0 specifically provides a fixed output voltage of 5.0 V. It is known for its low dropout voltage of 1.2 V at 800 mA of load current, making it suitable for a wide range of applications where power efficiency and stability are crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.0 | V |
| Output Current | 800 | mA |
| Dropout Voltage | 1.2 | V (at 800 mA) |
| Line Regulation | 0.2% | |
| Load Regulation | 0.4% | |
| Temperature Range | 0°C to +125°C (LM1117), -40°C to +125°C (LM1117I) | |
| Input Voltage Range | 2.6 to 15 V | |
| Quiescent Current | 5 mA (typical) | |
| Package | SOT-223 (DCY) |
Key Features
- Available in fixed output voltages of 1.8 V, 2.5 V, 3.3 V, and 5 V, as well as an adjustable version.
- Space-saving SOT-223 and WSON packages.
- Current limiting and thermal shutdown for protection.
- Low dropout voltage of 1.2 V at 800 mA.
- High accuracy output voltage within ±1% due to Zener trimmed band-gap reference.
- Minimum 10-µF tantalum capacitor required at the output for improved transient response and 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 LM1117MPX-5.0?
The output voltage of the LM1117MPX-5.0 is 5.0 V. - What is the maximum output current of the LM1117MPX-5.0?
The maximum output current is 800 mA. - What is the dropout voltage of the LM1117MPX-5.0 at 800 mA?
The dropout voltage is 1.2 V at 800 mA. - What are the key protection features of the LM1117MPX-5.0?
The key protection features include current limiting and thermal shutdown. - What is the recommended output capacitor for the LM1117MPX-5.0?
A minimum of 10-µF tantalum capacitor is recommended at the output. - What are the available package options for the LM1117 series?
The LM1117 series is available in SOT-223 and WSON packages. - What is the temperature range for the LM1117 and LM1117I?
The temperature range for the LM1117 is 0°C to +125°C, and for the LM1117I, it is -40°C to +125°C. - What is the input voltage range for the LM1117MPX-5.0?
The input voltage range is from 2.6 V to 15 V. - What is the typical quiescent current of the LM1117MPX-5.0?
The typical quiescent current is 5 mA. - What are some common applications of the LM1117MPX-5.0?
Common applications include AC drive power stage modules, industrial AC/DC power supplies, and servo drive control modules.
