AMS1117 3.3V LDO Linear Regulator Power Module – 1/3/5 Pcs
AMS1117 3.3V LDO Linear Regulator Power Supply Module
The AMS1117-3.3 Power Supply Module is a compact, reliable 3.3V Low Dropout (LDO) linear voltage regulator board designed for DIY electronics projects, microcontroller builds, and any circuit that requires a stable 3.3V power source. With an 800mA output current and a built-in power indicator LED, this module makes power management easy for hobbyists and engineers alike.
Key Features
- Stable 3.3V Output – Delivers a consistent 3.3V regulated output, ideal for microcontrollers, sensors, and low-voltage circuits.
- 800mA Output Current – Supports load currents up to and exceeding 800mA without output voltage variation.
- Low Dropout Voltage (1.2V) – Requires an input only 1.2V above the output to operate normally, maximizing efficiency.
- Wide Input Range – Accepts DC input from 4.5V to 7V, compatible with a variety of power sources.
- Power Indicator LED – Built-in LED provides instant visual confirmation that the module is powered on.
- Ultra-Compact Size – Measures just 12.6 × 8.6mm, fitting easily into tight circuit layouts or breadboards.
- Durable Construction – Made from quality plastic and metal components for reliable, long-lasting performance.
- Value Pack Options – Available in packs of 1, 3, or 5 for stocking your electronics workbench.
Specifications
| Input Voltage | DC 4.5V – 7V |
| Output Voltage | 3.3V |
| Output Current | 800mA |
| Dropout Voltage | 1.2V (min. input must be 1.2V above output) |
| Module Size | 12.6 × 8.6mm |
| Material | Plastic + Metal |
| Packing Options | 1 / 3 / 5 Pieces |
| Country of Origin | Made in China |
What's in the Box
- 1, 3, or 5 × AMS1117 3.3V LDO Power Supply Module (as selected)
Perfect For
- Arduino, Raspberry Pi, and other microcontroller projects
- DIY electronics and prototyping circuits
- Expanding or regulating power supply in custom electronic designs
- Robotics, IoT devices, and sensor modules requiring 3.3V
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Frequently Asked Questions
Q: What is the minimum input voltage required for the AMS1117 3.3V power supply module?
A: The AMS1117 3.3V module requires a minimum input voltage of 4.5V DC, and the input must be at least 1.2V higher than the 3.3V output. For most applications, a 5V input source works perfectly.
Q: Can the AMS1117 module handle more than 800mA of current?
A: The module is rated at 800mA output current. While the load current can slightly exceed 800mA in some conditions, it is recommended to stay within the rated limit for stable, long-term operation and to avoid overheating the regulator.
Q: Is this module compatible with Arduino and Raspberry Pi projects?
A: Yes! The AMS1117 3.3V LDO module is widely used in Arduino, Raspberry Pi, ESP8266, ESP32, and similar microcontroller projects that require a regulated 3.3V power supply from a 5V or other DC source.
Q: How do I know if the module is receiving power?
A: The module features a built-in power indicator LED that lights up as soon as it receives an appropriate input voltage, providing instant visual confirmation that the circuit is live.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.