9 v / 12 v / 24 v 5V DC-DC step-down module vehicle charging car charger output USB 3 a step-down voltage regulator power supply

 Product name: DC - DC voltage charging module Product size: H5mm W16mm L42mm * * Entered: 7.5 V - 28 V Output: 5 v / 3 a Conversion efficiency: 96% (Max) Switch frequency: 1.5 MHZ (Max) of Typical 1 MHZ Working temperature: - 40 ℃ to + 85 ℃ Load capacity: output 3 a, 2 a long distance Scope of application: mobile power, mobile phone, tablet and other USB5V power supply equipment