The AMS1117 series features a low dropout voltage of just 1.3V at 1A load, allowing efficient regulation from common 5V sources. It also offers a very low standby current of approximately 2mA, improving overall power efficiency compared to similar regulators. Built-in thermal shutdown and current limiting protections ensure stable and safe operation under varying load conditions.
Features
- Low dropout linear voltage regulator (LDO)
- Stable and accurate 3.3V output voltage
- Low standby current for improved efficiency
- Built-in thermal shutdown protection
- Integrated current limiting for safety
- High output voltage accuracy (±2%)
- Compact PCB size, ideal for space-constrained designs
- Simple three-terminal operation
- Suitable for breadboard and embedded applications
Specifications
- Regulator IC: AMS1117
- Regulator Type: Linear Low Dropout (LDO)
- Input Voltage: DC 4.5V – 7V
- Output Voltage: 3.3V DC
- Maximum Output Current: 800mA
- Dropout Voltage: ~1.3V at 1A load
- Standby Current: ~2mA
- Output Voltage Accuracy: ±2%
- Protection Features: Thermal shutdown, current limit
- PCB Size: 8.6 × 12.3 mm
Applications
- 3.3V power supply for microcontrollers (ESP8266, ESP32, STM32)
- Powering sensors and logic circuits
- Wireless modules and RF devices
- Embedded systems and development boards
- DIY electronics and prototyping projects
Pinout :
Important Notes
- Input voltage must be at least 1V higher than the output voltage
- Do not exceed the maximum rated input voltage
- Output current must not exceed 800mA
- Linear regulators dissipate heat—ensure proper ventilation
- Do not reverse polarity; this may permanently damage the module
- Not suitable for high-efficiency or high-power applications
The AMS1117 series features a low dropout voltage of just 1.3V at 1A load, allowing efficient regulation from common 5V sources. It also offers a very low standby current of approximately 2mA, improving overall power efficiency compared to similar regulators. Built-in thermal shutdown and current limiting protections ensure stable and safe operation under varying load conditions.
Features
- Low dropout linear voltage regulator (LDO)
- Stable and accurate 3.3V output voltage
- Low standby current for improved efficiency
- Built-in thermal shutdown protection
- Integrated current limiting for safety
- High output voltage accuracy (±2%)
- Compact PCB size, ideal for space-constrained designs
- Simple three-terminal operation
- Suitable for breadboard and embedded applications
Specifications
- Regulator IC: AMS1117
- Regulator Type: Linear Low Dropout (LDO)
- Input Voltage: DC 4.5V – 7V
- Output Voltage: 3.3V DC
- Maximum Output Current: 800mA
- Dropout Voltage: ~1.3V at 1A load
- Standby Current: ~2mA
- Output Voltage Accuracy: ±2%
- Protection Features: Thermal shutdown, current limit
- PCB Size: 8.6 × 12.3 mm
Applications
- 3.3V power supply for microcontrollers (ESP8266, ESP32, STM32)
- Powering sensors and logic circuits
- Wireless modules and RF devices
- Embedded systems and development boards
- DIY electronics and prototyping projects
Pinout :
Important Notes
- Input voltage must be at least 1V higher than the output voltage
- Do not exceed the maximum rated input voltage
- Output current must not exceed 800mA
- Linear regulators dissipate heat—ensure proper ventilation
- Do not reverse polarity; this may permanently damage the module
- Not suitable for high-efficiency or high-power applications