Helium066 DC-DC 5.5-30V to 0.5-30V Automatic Step UP/Down Converter Boost/Buck Voltage Regulator Module tại Lotte Market

Giới thiệu Helium066 DC-DC 5.5-30V to 0.5-30V Automatic Step UP/Down Converter Boost/Buck Voltage Regulator Module tại Lotte Market

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Features:
The LCD can display input and output voltage, output current and output power.
The module has reverse input protection. (please try not to connect input reversely. There is + - marks on board that you can check before wiring)
It can step-up and step-down, output voltage is adjustable within 0.5-30V, limit current is adjustable within 0.2-4A.
Output has flow back protection, do not need to add flow back protecting diode when it is used to charge battery.
Use button to control output ON/OFF state, and can set default as ON or OFF when powered.
It uses step up/down chips as main controller, external 60V 75A MOS tube as switch tube, double 60V 5A SS56 schottky as rectifier, withstand 60V voltage, better tjam XL6009/LM2577 immature solutions.
The output ripple is small, and have the LC filter.

Specification:
Type: 4A non-isolated step up/down constant current power supply module
Input Voltage: 5.5-30 VDC (at 5V input, it can also step up down voltage, but the voltage current measurement is inaccurate; when lower than 4.7V, under-voltage protection)
Output Voltage: 0.5-30VDC adjustable
Output Current: 0.2-3A adjustable, enhance heat dissipation can be up to 4A (please enhance heat dissipation when module temperature is over 65℃) with constant current indicator light, output power do not exceed 35W;
for low voltage output, current do not exceed 4A, otherwise it will burn out.
Voltage Display Resolution: 0.05V
Current Display Resolution: 0.005A
Conversion Efficiency: About 88%
Soft Start: Yes (it may fail when big power load module start)
Reverse Input Protection: Yes
Output Flow Back Protection: Yes
Short Circuit Protection: Yes
Frequency: 180KHZ
Weight:
48g / 1.7oz (approx.)

Package List:
1 * Module
4 * Plastic Supports
1 * Heat Sink
Operation Instructions:
1. The module has IN/OUT, ON/OFF two buttons:IN/OUT button switches input voltage and output voltage display, long press to switch output current output power display;ON/OFF button control output ON or OFF, long press can set default output state is ON or OFF when powered next time.
2. CC is current setting potentiometer, clockwise rotation can increase setting current,  when the load current reaches setting current, it enters constant current state, and CC constant current indicator light (red) lights up;CV voltage setting potentiometer on the right can be rotated clockwise to increase output voltage.ON indicator light shows output state, which lights up when output voltage, otherwise lights off.
Current Adju