3A Mini DC To DC Step Down Converter Power Supply Module Voltage Regulator for Vehicle Monitoring Camera Power Supply DIY 340KHz Specification: Size: 1.7*1.1*0.38cm Color: multicolor Material: electronic components Input voltage: 4.75V-23V Output voltage: 1V-17V Output current: lowering the value of 3A,long 1.8A Transfer efficiency: 96% (MAX.) Switching frequency: 340KHz Output ripple: 30mV (no-load) Load regulation: 0.5% Voltage regulation: 2.5% Working temperature: -40~85 Features: < Efficiency: Up to 96% (depends on the difference between input and output voltage) This module uses synchronous rectification, efficient power conversion available. < Good performance: Use integrally molded power inductor and synchronous rectifier control chip, small and efficient < Wide application: Great for LED lights, micro-controllers, battery chargers, and most other low power devices. DIY mobile power supply, monitoring power supply, children's car power supply, camera power supply, vehicle power supply, communication equipment power supply, a variety of volume and weight have harsh requirements for the occasion (such as aviation model, etc.) < Compact and lightweight: It is compact and portable, high efficiency. Package Included: 1/5/10PCSx DC -DC power supply module Notes: 1.Please allowed 1-3mm differences due to manual measurement, thank you for your understanding! 2.Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item.