Adjustable 0.2- 9A 300w Step Down Buck Converter 5-40V To 1.2-35V Power Supply Module LED Driver

1 Module properties Nonisolated stepdown constant current constant voltage module CC CV charging module
2 Input voltage DC 732V
3 Output voltage 1 DC 0828V continuously adjustable 2 Fixed outputChoose between 08v28v
4 Output Current 8A when power tubes temperature exceeds 65 degrees please add cooling fan
5 Constant current range 028A adjustable
6 Turn lamp current Constant current value 01 turn the lamp current and constant value linkage
such as constant current value is 3A turn the lamp current is set to a constant current is 01 times 01 3A 03A
7 Lowest pressure 1V
8 Output Power Maximum power is about 300W
9 Conversion efficiency Up to about 95
10 Operating frequency 300KHZ
11 Output ripple 20M bandwidth
12 Input 24V output 12V 5A ripple around 50mV Excluding noise
13 Output short circuit protection Yes constant current
14 Input reverse polarity protection None
15 Output prevent backflow None
16 Wiring Terminal
17 Noload current Typical 20mA 24V switch 12V
18 Load regulation 1 constant
19 Voltage regulation 1
20 Dynamic response speed 5 200uS
21 Potentiometer adjustment direction clockwise increase counterclockwise decrease
the potentiometerCV closed to the input voltage is used to regulate voltage the potentiometerCC
closed to output voltage is used to regulate current CC
22 Operating temperature Industrial grade 40 C to 85 C please note the actual use
of the power tube temperature high temperature heat strengthened
23 Indicator dual color indicator charging indicator light is red the green light means
fully charged No load is green
24 Sizeapprox 65 x 47 x 22mm L x W x H
25Precision of constant current and temperature On the actual test the module temperature from 25 degrees
to 60 degrees the constant current value change is less than 5 5A constant current value
26 Output short circuit protection YesConstant current the current setting constant current value
27 Input reverse connect protection NO
28 Output prevent reverse flow NO
29 Wiring Method amphenol connector

strongFeaturesstrong
1 Fixed turn lamp current is 01 times the current value
Used to identify whether the battery is fully charged When charging
2 Made from a dedicated benchmark IC and highprecision current sensing resistor proving a more stable
constant current when 20C to 100C constant current 1A temperature drift less than 1
Particularly suitable for LED driver
3 High output current the max output current can reach 8A
4 Four high frequency capacitance can lower output ripple enhance the work stabilization
5 Double heat sink design MOS schottky diode independent heat sinkwhich heat dissipation is good
and wont affect each other
6 Using large size Sendust Core and double pure copper wiring improve working efficiency reduce fever
7 3296 multiturn potentiometerhigh accuracy voltage and current regulation good stability
8 Double color lamp working condition be clear at a glance
9 Voltage and current are adjustablewich effect is good

strongApplicationsstrong
1 Highpower LED driver
2 Lithium batteryor lead accumulator charge
3 Vehiclemounted power supply
4 Low voltage system power supply
5 6V 12V 14V 24V battery charge
6 Onboard laptop power supply
7 regulated power supply
8Low voltage power supply system

strongBattery chargestrong
1 Make sure of the battery float voltage and charging current that you need as well as the input voltage of the module
2 Adjust the constant voltage potentiometer and adjust the output voltage to about 5V
3Use the multimeter in 10A current scale to measure output shortcircuit current and adjust the
current potentiometer to make the output current to the expected charging current value
4 Adjust the constant voltage potentiometer to make the output voltage reaches the float voltage
5 Connected to the battery try to charge
1234 steps to connect the power module inputoutput noload does not connect battery

strongLED constant current drivestrong
1 Make sure the operating current and Max operating Voltage of the LED you need to drive
2 Adjust the constant voltage potentiometer adjust the output voltage to about 5V
3 Use the multimeter in 10A current scale to measure output shortcircuit current and adjust the current
potentiometer to make sure the output current to the expected LED operating current
4 Adjust the constant voltage potentiometer to make the output voltage reach the maximum LED operating voltage
5 Connect LED test
1234 steps to connect the power module input output Noload does not connect LED