1. 제품 오버view
The DEVMO AMS1117-5.0 is a compact step-down linear voltage regulator module designed to convert a higher DC input voltage (6V to 12V) into a stable 5.0V DC output. This module is suitable for various electronic projects, including those compatible with Arduino platforms, where a regulated 5V power supply is required from a higher voltag출처.
주요 특징은 다음과 같습니다.
- 입력 Voltag전자 범위: 6V ~ 12V DC.
- 출력 볼륨tage: Stable 5.0V DC.
- 최대 출력 전류: Up to 800mA with a 6V input, decreasing to 200mA with a 12V input, limited by internal power dissipation.
- 연결: Solderable pins for easy input and output connections.
- 지시자: A PCB-mounted LED illuminates when voltage is applied to the module, indicating power status.
2. 사양
2.1. 전기적 사양
| 매개변수 | 값 |
|---|---|
| 입력 Voltage | 6V ~ 12V 직류 |
| 출력 볼륨tage | 5.0V 직류 |
| Maximum Output Current (6V Input) | 800mA |
| Maximum Output Current (12V Input) | 200mA |
Note: The maximum output current is limited by the regulator's internal power dissipation and decreases as the input voltage increases. The module cannot provide 800mA output at all input voltag에스.
2.2. 물리적 사양
| 매개변수 | 값 |
|---|---|
| 치수(길이 x 너비 x 높이) | 25mm X 10mm X 3mm (1 "X 0.44"X 0.13 ") |
| 품목 무게 | 0.387 온스(약 11그램) |
3. 설정 및 설치
This module is designed for easy integration into electronic circuits. Proper connection of input and output terminals is crucial for safe and correct operation.

Figure 1: Two DEVMO AMS1117-5.0 modules with included pin headers. The modules feature solder pads for input and output connections.
3.1. 연결 지침
- 터미널 식별: The module has clearly marked solder pads for input and output. Typically, these are labeled '+' and '-' for input, and 'OUT' or '5V' for output. Refer to the module's silkscreen for exact markings.
- 입력 연결: Connect your DC power source (6V to 12V) to the input terminals. Ensure correct polarity: positive (+) of the power source to the '+' terminal of the module, and negative (-) to the '-' terminal.
- 출력 연결: Connect your load (e.g., Arduino board, 5V sensor) to the output terminals. Ensure correct polarity: the 5V output from the module to the positive input of your load, and the ground of the module to the ground of your load.
- 납땜: Use appropriate soldering techniques to securely attach wires or pin headers to the module's pads. Ensure strong, clean solder joints to prevent intermittent connections.
- 전원 표시기: Once power is applied to the input, the onboard LED should illuminate, indicating that the module is receiving power and attempting to regulate the voltage.
3.2. 안전수칙
- Always verify input and output polarities before applying power to prevent damage to the module or connected devices.
- 최대 입력량을 초과하지 마십시오.tag12V DC의 e.
- Ensure the total current drawn by your load does not exceed the module's maximum output current capacity for the given input voltage. Exceeding this limit can lead to overheating and damage.
- Avoid short circuits on the output terminals.
- Handle the module by its edges to avoid touching components, especially after operation, as it may be warm.
4. 운영
The AMS1117-5.0 module operates as a linear voltage regulator. It dissipates excess input voltage as heat to maintain a stable 5.0V output. This means that the higher the input voltage and the higher the output current, the more heat the module will generate.
- 전원 켜기: DC 볼륨 적용tage within the 6V to 12V range to the input terminals. The onboard LED will light up.
- 권tage 출력: The module will provide a regulated 5.0V DC at its output terminals.
- 현재 제한사항: Be mindful of the current limitations. For example, with a 12V input, the maximum stable output current is approximately 200mA. If your load requires more current, consider using a lower input voltage (closer to 6V) or an alternative power regulation method.
- 열 관리: For continuous operation at higher input voltages and currents, ensure adequate ventilation around the module to dissipate heat.
5. 유지관리
The DEVMO AMS1117-5.0 module is a solid-state electronic component and generally requires minimal maintenance. However, following these guidelines can help ensure its longevity and reliable performance:
- 청결: Keep the module free from dust, dirt, and moisture. Use a soft, dry brush or compressed air to clean if necessary. Avoid using liquid cleaners.
- 환경 조건: Operate the module within its specified temperature range. Avoid extreme heat, cold, or humidity.
- 물리적 검사: Periodically inspect solder joints and connections for any signs of corrosion or damage.
- 저장: When not in use, store the module in an anti-static bag in a dry, cool environment.
6. 문제 해결
If you encounter issues with your DEVMO AMS1117-5.0 module, consider the following troubleshooting steps:
- 출력 없음tage / LED Off:
- 입력 voltage는 6V에서 12V 범위 내에 있습니다.
- Verify input polarity. Incorrect polarity will prevent operation and may damage the module.
- Inspect all connections for loose wires or poor solder joints.
- 전원이 올바르게 작동하는지 확인하십시오.
- 출력 볼륨tage is Lower Than 5V:
- Check if the load current exceeds the module's maximum capacity for the given input voltage. Reduce the load or use a lower input voltage.
- 입력 볼륨을 확인하세요tage is stable and not dropping under load.
- The module might be overheating. Allow it to cool down and ensure proper ventilation.
- 모듈 과열:
- This is common for linear regulators when the voltage difference between input and output is large, and the current draw is high.
- 입력 볼륨을 줄이세요tage if possible, or reduce the load current.
- Ensure adequate airflow around the module.
- 간헐적 작동:
- Check for cold solder joints or loose connections.
- 전원 공급이 안정적이고 변동이 없는지 확인하십시오.
7. 보증 및 지원
For warranty information, technical support, or further assistance with your DEVMO AMS1117-5.0 module, please refer to the seller's return policy or contact the DEVMO customer support directly through the platform where the product was purchased. Keep your purchase receipt or order details handy for faster service.
DEVMO is committed to providing quality electronic components. If you have any questions regarding the operation or integration of this module, do not hesitate to seek assistance.