product description
Product Features When the voltage is as high as 15V or higher, the auto-start voltage will be pulled down to a 7V or smaller engine at high speed. For 12V electricians, this automatic step-down module solves this problem by stabilizing the output at 12V regardless of whether the input voltage is 5V, 12V or 32V. parameter: Wide input voltage: 5V-32V Wide output voltage: 1.25V-35V Built-in 4A high efficiency MOSFET switch, efficiency up to 94%; (LM2577 current 3A) Switching frequency up to 400KHz, ripple smaller and smaller. (LM2577 frequency only 50KHz) Input current: 4A (MAX); No-load 18mA (5V input, 8V output, no-load less than 18mA, the higher the voltage, the greater the load current) Output ripple: 50mV (the higher the voltage, the bigger the current, the bigger the ripple) Load regulation: ± 0.5% Voltage regulation rate: ± 0.5% Operating temperature: -40 ℃ ~ +85 ℃ Size: 48.1 × 24.9 × 14.0 mm Weight: 17g Applications: 1. Car adjustment 2. Solar photovoltaic power generation 3. Wind and other voltage instability applications How to use Access power (5-32V), power indicator light, the module is working properly. 2. Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotation descent), monitor the output voltage with a multimeter to achieve the required voltage. 3. The customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When faced with this problem, please first potentiometer counterclockwise rotation of more than 10 laps, and then use the module to adjust the voltage
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