The AMS1117-1.5 is a low dropout (LDO) linear voltage regulator designed to provide a fixed 1.5V output with high accuracy and efficiency. It can supply up to 1A of output current, making it ideal for powering low-voltage devices such as microcontrollers, sensors, and embedded systems. The regulator features thermal shutdown and current limit protection, ensuring reliable and safe operation.
| Feature |
Parameter |
| Output Voltage |
1.5V (Fixed) |
| Output Current |
Up to 1A |
| Input Voltage Range |
2.6V to 15V |
| Dropout Voltage |
~1.3V @ 0.8A load |
| Regulation Accuracy |
±1.5% |
| Thermal Shutdown |
Yes |
| Current Limit Protection |
Yes |
| Package Types |
SOT-223 |
| Operating Temperature |
0°C to +125°C |
| Application Areas |
Embedded systems, microcontrollers, IoT devices, DIY electronics |
Q: What is the AMS1117-1.5 used for?
A: It provides a stable 1.5V output from a higher DC input voltage.
Q: Can I use it to convert 5V to 1.5V?
A: Yes, it is commonly used to generate 1.5V from a 5V supply.
Q: What is the output voltage?
A: The regulator provides a fixed 1.5V output.
Q: What is the maximum output current?
A: It can deliver up to 1A with proper PCB copper area or heatsinking.
Q: Is this an LDO regulator?
A: Yes, the AMS1117-1.5 is a Low Dropout (LDO) voltage regulator.
Q: What is the minimum input voltage required?
A: For reliable regulation, the input should be at least about 3V.
Q: Can I power sensors and microcontrollers with it?
A: Yes, it is suitable for powering 1.5V circuits, sensors, and other low-voltage electronics.
Q: Does the output voltage change with load?
A: No, it maintains a regulated 1.5V output within its operating limits.
Q: Does the regulator get hot?
A: It may become warm when supplying high current or when the input voltage is much higher than 1.5V.
Q: Is the output voltage adjustable?
A: No, this version has a fixed 1.5V output.