Step-Down Module DC11-100V to 5V/12V 2.5A Buck Power Supply Module Converter for High-Voltage Step-Down Battery-Powered Systems

Quantity : 1 High-concerned chemical : none Package : SOP is_d : Yes Supply Voltage : DC11-100V Application : Electric Toy Type : Module Brand Name : DIY NOW Origin : Mainland China Condition : New Operating Temperature : -40℃ to +85℃ Input Voltage : DC 11-100V (Max. 100V Input) Output Current : 2.5A (Peak) Quiescent Current : 1-7mA Conversion Efficiency : Up to 92% Switching Frequency : 140 kHz

Features 1. Ultra-wide 11-100V input range, compatible with most power supply systems 2. Peak 2.5A current output, delivering robust load-handling capability 3. Selectable 5V or 12V output to meet the needs of various devices 4. Utilizes high-frequency capacitors paired with large inductors for low ripple and high efficiency 5. Built-in over-temperature protection and output short-circuit protection, suitable for harsh environments 6. Primarily used for high-voltage step-down, battery power supply, industrial/automotive electronics, and fast charging applications Parameter Input Voltage: DC 11–100V (Maximum 100V Input) Output Current: Peak 2.5A Quiescent Current: 1–7mA Conversion Efficiency: Up to 92% Switching Frequency: 140kHz Operating Temperature: -40°C to +85°C Output includes TVS and fuse Module Connectors IN+: DC input positive terminal (11V–100V; must be at least 6V higher than the output) GND: DC input and output negative terminal; input and output negatives are connected OUT+: DC output positive terminal EN: Step-down enable; default is open-circuit (on); pull to below 1V to turn off; 2.4–6V activates step-down Precautions 1. The input voltage must exceed the output voltage; maintaining a voltage difference of at least 6V is recommended (for products with specified operating voltages, follow the actual specifications). Do not reverse the input polarity, as this will damage the board. 2. Disconnect the power supply before wiring; otherwise, high voltage may cause arcing, posing a risk of damaging or destroying the chip. Input capacitors may explode if the polarity is reversed. 3. Do not use wires that are too thin; ensure the wires can handle the corresponding current. 4. Do not use with inductive loads, such as motors, relays, or other devices with coils. If connecting to inductive loads, implement proper protection to prevent excessive back-EMF that exceeds the chip’s tolerance. 5. The higher the power drawn by the module and the closer the current is to the maximum current rating, the greater the heat generation. Ensure adequate heat dissipation during use. 6. Without external cooling, continuous current usage is recommended to remain below 2A. If the current exceeds 2A, additional cooling is required; otherwise, the output will trigger thermal protection. 7. The recommended operating voltage is below 100V. If the supply voltage is unstable, voltage spikes exceeding 100V will trigger the chip’s internal overvoltage protection. To ensure stable operation, allow for an appropriate margin. Package include Buck Module *1

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