Usb Charger-module Dc Buck Step Down Converter, Power Supply Module
10 reviews

Features:
New main chip made in USA.
The max output current 3A, long time use 2.1A, enough use.
New design, 3 solid state ceramic capacitors (MLCC).
Synchronous rectification, High efficiency.
Flat copper inductor, improve conversion efficiency
With output overvoltage protection.
There is 1.5A fuse, output 5V have 300W TVS tube protect your USB device.
Using the latest USB identification circuit.
Perfectly compatible with IPHONE, the most of Android phones, IPAD etc.
High quality USB port.
Output voltage indicator (RED).
Ultra-low static current, 0.85 mA only.
Specifications:
Module Properties: Non-isolated buck module (BUCK) synchronous rectification
Input Voltage: DC 6-24V
Output Voltage: 5.1-5.2V
Output Current: 3A MAX 
Conversion Efficiency: Can up to 97.5%
Switch Frequency: 500KHz
Output Ripple: 10mV around (12V to 5V3A) 20M bandwidth
Output Indicator: Output voltage indicator is red
Operating Temperature: Industrial grade
Output Overvoltage Protection: Yes 
Full Load Temperature: 30 Celsuis
Static Current: 0.85 mA
Load Regulation:  ± 1%
Voltage Regulation:  ± 0.5%
Dynamic Response Speed:  5% 200uS
Output Short Circuit Protection: Yes
Input Reverse Polarity Protection: Yes
Connection Mode:  Welding
Input Mode: Welding
Output Mode: US

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.