
Electronic Components
SMD Voltage Regulator AMS1117 SOT223 33V 1A
The AMS1117-3.3V is a low dropout positive voltage regulator in SOT-223 package, delivering fixed 3.3V output at up to 1A current with thermal protection.
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About SMD Voltage Regulator AMS1117 SOT223 33V 1A
The AMS1117-3.3V is a reliable low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from higher input voltages. With its compact SOT-223 surface-mount package, this regulator is perfect for space-constrained applications. It features a typical dropout voltage of only 1.2V at 1A load current, making it highly efficient for power conversion. The device includes built-in thermal shutdown and current limiting protection to ensure safe operation under fault conditions. With excellent line and load regulation characteristics, it maintains stable output voltage across varying input and load conditions. This regulator is ideal for powering microcontrollers, sensors, and other digital circuits requiring a clean 3.3V supply. Its low noise performance and simplicity of implementation (requiring only two external capacitors) make it a popular choice for both hobbyist and professional electronics projects.
Technical Specifications
| Output Voltage | 3.3V (Fixed) |
|---|---|
| Output Current | 1A (Maximum) |
| Dropout Voltage | 1.2V (Typical at 1A) |
| Package | SOT-223 (SMD) |
| Input Voltage Range | ~6.5V to 15V |
| Line Regulation | 0.2% (Typical) |
| Load Regulation | 0.4% (Typical) |
| Operating Temperature | -40°C to +125°C |
| Protection | Thermal Shutdown, Current Limiting |
| Mounting Type | Surface Mount (SMD) |
| Pin Count | 3 (Input, Ground, Output) |
Component Datasheet
Download the official datasheet for SMD Voltage Regulator AMS1117 SOT223 33V 1A
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