This module has been updated to the new version on May 5th, as what the pics showed now. The old version is blue pcb, which has no longer available.
It is a DC Fast Charging isolated power supply module. It can be used as ordinary buck power supply module, charger and LED constant current driver. Simple, efficient and practical.
1>.Support fast charge;
5>.Support disabling output
1>.Product Name:DC Fast Charging Step Up Power Supply Module
2>.Working Voltage:DC 2.5V-5.0V
3>.Output Voltage:DC 4.9V-5.3V
4>.Output Current:3A (But long-term work is recommended below 2.5A)
5>.Conversion efficiency:About 95%
6>.Output ripple: About 80mV
7>.Working Temperature range:-40℃~85℃
8>.Working Humidity range:0%-95%RH
1>.Connect right input voltage at input terminal.
2>.Check output voltage by voltmeter and ammeter.
1>.Its max output current is 3A and can not keep output 1A.
2>.Input and output are isolated, safe and reliable.
3>.There is a LED load indicator.Weak flash when no load, the greater the load, the higher the brightness.
4>.’EN’ is enable control port.Default enabled.User need remove resistor R2 if user need control enable by other such as button.High level TTL signal to turn ON enable and low level TTL signal to disable.
5>.Due to the large current, it is recommended to use a thicker wire. Wire cross-section should be more than 1.5 square millimeters.
6>.Wire can not be reversed, otherwise the module will be damaged.
1>.Ordinary power supply;
5>.Car power supply and battery;
6>.Charging for Mobile phone, MP3, MP4;
8>.Battery car modification
1pc DC Fast Charging Step Up Power Supply Module.
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