Mini DC-DC 9V/12V/19V To 5V/3.3V 3A Buck Car Charging Step Down Power Supply Module

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Description: Product Name: Mini DC-DC Buck ModuleProduct size: 23.6mmx14.2mmx4mm(LxWxH)Input: 4.5V-23VOutput: 5V / 3A (Max) or 3.3V / 3A (Max)Conversion efficiency: 92% (Max)Switching frequency: 340KHZ (Max)Operating temperature: -40 ℃ - +85 ℃Load capacity: maximum output 3A, 1.5A long-distance runningScope: power bank, mobile phones, tablet and other USB5V / 3.3V power supply equipmentPackage included:1 x Mini DC-DC Buck Module