From Makers Electronics's description

AMS1117 3.3V Voltage Regulator And Power Module The AMS1117 3.3V Power Module is a compact and efficient voltage regulator designed to deliver a stable 3.3V output from a higher DC input voltage. Built around the AMS1117-3.3 linear regulator IC, this module can supply up to 800mA of current, making it an excellent choice for powering a variety of electronic devices and components. Its small form factor, breadboard-compatible design, and onboard power indicator LED make it ideal for prototyping, DIY projects, and educational applications. Features : Fixed 3.3V Output : Provides a consistent 3.3V output for reliable device operation. Wide Input Voltage Range : Accepts 4.5V to 15V DC, offering flexibility for various power sources. Maximum Output Current : Supports up to 800mA, suitable for most low-power applications. Onboard Power Indicator : Red LED provides visual confirmation of power status. Compact and Lightweight : Small footprint for easy integration into space-constrained projects. Breadboard Compatible : Standard 0.1″ header pins allow direct insertion into breadboards or easy connection via jumper wires. Specifications : Parameter Value Input Voltage 4.5V to 15V DC Output Voltage 3.3V DC Maximum Output Current 800mA Dropout Voltage 1.1V at 800mA Line Regulation 0.2% maximum Load Regulation 0.4% maximum Operating Temperature Range -40°C to +125°C Applications : Microcontroller Power Supply: Powers 3.3V microcontrollers such as ESP8266, ESP32, and certain Arduino variants, ensuring stable operation. Sensor and Peripheral Support: Provides reliable voltage to sensors, OLED displays, and other 3.3V peripherals in electronic projects. Battery-Powered Devices: Regulates voltage in battery-operated systems, extending device reliability and performance. Package Includes : 1 x AMS1117 3.3V Power Module 800mA DataSheet : AMS1117-datasheet

From Makers Electronics's description

AMS1117 3.3V Power Supply Module The primary component of this regulated power supply module circuit is the AMS1117 3.3, a positive voltage regulator integrated circuit (IC). This specific variant of the AMS1117 series is engineered to deliver a fixed output voltage of 3.3V. Its operation involves regulating the input voltage to maintain a constant output voltage. When the circuit receives an input voltage exceeding the desired output (for example, 5V or 12V at 1A DC), ceramic capacitors are connected between the Vin pin and the GND (ground) pin of the IC. These capacitors help stabilize the input voltage and filter out noise or voltage fluctuations. The voltage regulator AMS1117 IC then converts the input voltage to a steady +3.3V DC output. Any excess voltage above 3.3V is dissipated as heat through the circuit board. To ensure a stable and clean 3.3V DC output, additional ceramic capacitors are employed to further filter any residual noise from the output voltage. Moreover, a power-on indicator LED is connected between the Vout pin and ground via a series resistor. This configuration allows the LED to be powered by the regulated output voltage, providing a visual indication that the power supply is operational. Features: Designed for easy and intuitive use, allowing quick setup without the need for technical expertise. Operates independently with no requirement for additional external components, simplifying installation. Features a built-in power LED indicator that provides clear visual feedback when the device is powered. Compact and space-efficient design, ideal for use in tight enclosures or portable applications. Equipped with a 4-pin layout using a 2-pin single-row input and output configuration for straightforward connections. Offers a high level of output voltage accuracy with a typical tolerance of ±1.5%, ensuring reliable performance. Supports low dropout voltage operation, typically 1.2V at 1A, to maximize efficiency in low-voltage systems. Incorporates built-in current limiting to protect the device and connected components from overcurrent conditions. Includes automatic thermal shutdown to prevent overheating and ensure long-term reliability. Warning: The AMS1117 3.3V voltage regulator modules are rated for a maximum output current of 800mA. However, as a linear regulator rather than a switching converter, the module can generate significant heat when handling higher currents with a large voltage drop (the difference between input and output voltage). This factor should be taken into account during circuit design. The module may not achieve the full 800mA output if the voltage differential between input and output exceeds a few volts. The maximum available output current is also influenced by the input voltage; higher input voltages result in lower current capabilities. For instance, using a 4.5V input voltage allows the regulator module to comfortably supply over 500mA, while an 11V input voltage reduces the available output current to 70mA, as illustrated in the graph below. Specifications: Specification Value Input Voltage 4.5 V – 12 V DC Output Voltage 3.3 V, 700 mA (max load 800 mA) Line Regulation 0.2% Max Load Regulation 0.4% Max Temperature Range -40 °C to 125 °C Module Dimensions 25 mm × 10 mm Applications: Computers Power Management Battery Charger SCSI-II Active Terminator Cellular Phone Chargers Battery Powered Systems Portable Instrumentation SMPS Post-Regulator Package Contents: 1 x AMS1117 3.3V power supply module. 4 x male to male header pins (unsoldered) Documents: AMS1117 3.3V Datasheet Example AMS1117 Arduino project Example power supply project

From Most Electronic's description

The AMS1117 3.3V Power Module Board (800mA) provides a stable 3.3V regulated output for powering Arduino, ESP8266, ESP32, sensors, and logic circuits . It efficiently converts higher input voltages (4.5V–12V) down to 3.3V , ensuring consistent and reliable performance for your electronic projects. This module uses the AMS1117-3.3 voltage regulator chip , known for its low dropout and high stability . You can easily connect it to your breadboard or development board through its clearly labeled input and output pins . The board delivers up to 800mA of output current , making it suitable for powering Wi-Fi modules, microcontrollers, and other 3.3V devices . In addition, it includes filter capacitors that reduce noise and improve voltage stability. Because of its compact size and easy integration , you can use this module in IoT devices, embedded systems, and DIY electronics where reliable voltage regulation is essential. Key Features: Model: AMS1117 3.3V Power Module Output Voltage: 3.3V DC Input Voltage: 4.5V–12V DC Output Current: Up to 800mA Regulator Type: AMS1117-3.3 LDO voltage regulator Includes filter capacitors for stable output Compact, breadboard-friendly design Compatible with Arduino, ESP8266, ESP32, STM32 , and sensors Ideal for IoT, robotics, and embedded electronics projects The AMS1117 3.3V Power Module Board helps students, hobbyists, and engineers power their 3.3V circuits safely, efficiently, and reliably.

From Micro Ohm's description

AMS1117 3.3V Step-Down Power Supply Module This AMS1117 3.3V Power Supply Module is based on the AMS1117 3.3V regulator. It is capable of regulating a wide range of input voltage (4.0 to 12V) down to a fixed 3.3V output at up to 1A (Vin = 4.5V). Standard 0.1″ header pins provide a means of connecting to its input and output terminals. These header pins have also been conveniently placed so that the module can be inserted face down into standard Note: Do not exceed absolute maximum input voltage (12.5V) or output current. Exceeding maximum specifications can result in permanent damage to this module or any connected devices. Features : Onboard AMS1117 chip. Onboard power indicator to indicate power is turned on: Red LED. Output voltage interface, connection to facilitate the experimental. Specially designed two pin mounting holes, can be directly fixed on the whole expansion board for experiments. Small Compact Size, 4Pin Type, Breadboard Friendly. 2P single row pin input and output for easy connection Dual-panel design, the layout is nice Package Includes : 1 x AMS1117 3.3V power supply module (Unsoldered). IC Chip AMS1117 Input Voltage (V): 4.5 to 12 Output Voltage (V): 3.3 Max. Output Current (A) 0.8 Length (mm): 26 Width (mm): 12 Height (mm): 2 Weight (g): 0.6 Shipping Weight 0.085 kg Shipping Dimensions 6 × 3 × 1 cm

From Micro Ohm's description

AMS1117 5V Step-Down Power Supply Module Unsoldered This power supply module is based on the AMS1117 5V regulator. It is capable of regulating a wide range of input voltage (6.0 to 12V) down to a fixed 5V output at up to 1A Standard 0.1″ header pins provide a means of connecting to its input and output terminals. These header pins have also been conveniently placed so that the module can be inserted face down into the standard. Note: Do not exceed absolute maximum input voltage (12.5V) or output current. Exceeding maximum specifications can result in permanent damage to this module or any connected devices. Jumper connector is not soldered. Features : Onboard AMS1117 chip. Onboard power indicator to indicate power is turned on: Red LED. Output voltage interface, connection to facilitate the experimental. Small Compact Size, 4Pin Type, Breadboard Friendly. 2P single row pin input and output for easy connection Dual-panel design, the layout is nice Package Includes : 1 x AMS1117 5V Step-Down Power Supply Module (Unsoldered). Model Type: Power Supply Module Output Current (mA) 800 Model No.: AMS1117 IC Chip AMS1117 Input Voltage (V): 6.5 to 12 Output Voltage (V): 5 Length (mm): 26 Width (mm): 12 Height (mm): 2 Weight (g): 0.6 Shipping Weight 0.085 kg Shipping Dimensions 6 × 3 × 1 cm