DC-DC Negative Voltage Conversion Module 3V To 15V To -1.25V To -15V Continuously Adjustable 300mA Board Power Supply

DC-DC Negative Voltage Conversion Module 3V to 15V to -1.25V to -15V Continuously Adjustable 300mA Board Power Supply Product selling points: 1. The trimmer potentiometer will not be subject to voltage fluctuations induced by the human body 2. Automatic load voltage compensation function (when the load current increases, the output will automatically compensate and increase the voltage) 3. Optimized layout of new components, fixed holes, wiring terminals, unchanged volume 4. The module height is reduced from 9.2mm to 6.8mm 5. Add 3296 precision potentiometer pads, which can be used for applications that require higher precision adjustment Module descrtion: 1. Negative power conversion module, which can provide negative voltage for dual-supply operational amplifiers or devices that require negative voltage 2. The module uses high-quality SMD devices 3. On-board SMD LED output indicator, the level of negative preure is clear at a glance 4. High conversion efficiency, low heat generation 5. With short circuit protection and overload protection 6. The input voltage range is 3V to 15V, and the output voltage is continuously adjustable from -1.25 to -15V 7. The output load capacity can reach 300mA at 12V input 8. With 1 fixing hole, easy to install Parameters: Working voltage: 3V to 15V Standby current: 1mA Output voltage: -1.25V to -15V continuously adjustable Conversion efficiency: >83% Output current: 300mA (the higher the input voltage, the greater the output current) Module volume: 29.0mm*24.0mm*9.2mm Adjustment method: miniature adjustable , use clock screwdriver to adjust Tyal rple factor (VPp): Input 12V output-5V load 300mA = 180mVPp Input 12V output-5V load 500mA = 245mVPp Input 12V output -12V load 100mA = 60mVPp Input 12V output -12V load 300mA = 160mVPp Note: If a solid low ERS above 470uf is added to the output, VPp can be reduced to below 30mV Product Usage: LCD screen power supply, logic circuit power supply, DVD, EVD, operational amplifier circuit, single-ch microcomputer, communication equment, signal proceor, and other circuits or modules that require negative voltage power supply. The module can provide a maximum current of 300mA and an output current of 500mA in a short time. Precautions: The input polarity must not be red, and the input high voltage must not exceed 15V; It is recommended to use a non-inductive screwdriver to adjust the voltage, try to rotate it slowly, and do not over-rotate the potentiometer, otherwise the ch will break down after the output voltage exceeds the -15V limit. Package List: 1 X Negative voltage conversion module

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