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

Description:
 
Product Name: Mini DC-DC Buck Module
Product size: 23.6mmx14.2mmx4mm(LxWxH)
Input: 4.5V-23V
Output: 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 running
Scope: power bank, mobile phones, tablet and other USB 3.3V power supply equipment

Package included:

3 x 3.3V Mini DC-DC Buck Module