Wide input voltage: 5V-32V; Wide Output Voltage: 1.25V-35V;(with automatic step-up and down, within the scope of work, any voltage input can be regulated any voltage output)
Model specification:XL6009 step up down Converter module
With 4A high efficiency MOSFET switches, the efficiency of XL6009 can be up to 94%
With ultra high switch frequency 400KHz , even if small capacity filtering capacitors can achieve very good results
Application: Car regulator , solar photovoltaic, wind power and other applications of voltage instability .
Auto start voltage will be pulled down to 7V less or smaller engine at high speed when the voltage up to 15V or higher. For 12V electrical work hard at work, this automatic buck module solves this problem , regardless of the input voltage is 5V or 12V or 32V, the output can be stabilized at 12V.
Parameters: Wide input voltage: 5V-32V Wide Output Voltage: 1.25V-35V Built- 4A efficient MOSFET switches enable efficiency up to 94%; (LM2577 current is 3A) high switching frequency of 400KHz, the ripple is smaller and smaller . (LM2577 frequency only 50KHz) Input Current: 4A(MAX); no-load 18mA (5V input , 8V output , no-load is less than 18mA. Higher the voltage , the greater the load current ) Output Ripple:50mV ( the higher the voltage , the greater the current , the greater the ripple ) Load Regulation:± 0.5% Voltage Regulation:± 0.5% Operating Temperature:-40 ℃ ~ +85 ℃ Size: 48.1x24.9x14.0 mm Weight: 17g
Application: 1.Car regulato 2.solar photovoltaic 3.wind power and other applications of voltage instability
How to use 1.Access the power supply (5-32V), the power indicator light, the module is working properly. 2.Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotationStep-down) and monitor the output voltage with a multimeter to reach the required voltage. 3.A customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When you encounter this problem, please first counterclockwise rotation potentiometer 10 laps above, and then use the module can be normal adjustment of the voltage
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I've used this type of regulator module in the past with no issues. But, both of the modules in this package were totally dead, drawing power with no load and heating up, with no output voltage.
I've used this type of regulator module in the past with no issues. But, both of the modules in this package were totally dead, drawing power with no load and heating up, with no output voltage.
I've used this type of regulator module in the past with no issues. But, both of the modules in this package were totally dead, drawing power with no load and heating up, with no output voltage.
I bought this intending to power (and adjust the brightness of) a 12v led strip with a 3 cell li-po. I tested the led strip with my desktop power supply and found that the leds turned on at 8 volts and at 12 volts they draw 2 amps.
I connected this item to my power supply (at 12 volts) and adjusted the output to be 8 volts (monitored on oscilloscope). Then I unpowered it, soldered on the LED strip leads, and powered it again. I was able to adjust the output voltage and led brightness just fine, but as I got up to about 12 volts output (measured on the scope) and 2 amps (measured on the desktop power supply), this regulator started buzzing and then died.
I thought maybe i had let it run too long and get too hot since i didnt have any thermal adhesive to mount the heatsink that comes with it (why is this not pre-mounted??). So I thought I'd try again with the second regulator but pay attention to heat and shut it off if it got too hot to touch. I set the output to 12 volts, soldered on the LED strip, powered it on and it died instantly - no time to heat up. Now, with nothing connected, it draws 800 mA and outputs 0 volts.
I couldn't find a power rating listed anywhere, it just says 4 amps max. Well, i can tell you that at 2 amps 12 volts input and output, it dies.
EDIT: I'm upgrading my rating from 1 to 2 stars, here's why. I found that the only component that fried was one of the diodes (the one on the output side). I replaced it with a MBRAF440T3G (which is rated to a higher current) that I happened to have laying around and now it's fine up to 2 amps but it does start buzzing so I don't want to try going higher since I don't have any more replacement diodes. I think the thing that fried it in the first place was that my power supply takes a fraction of a second to get up to voltage so i'm guessing the input current was spiking beyond the diode's rating when i powered it with the load connected. It should be fine if your power source comes on instantly (like a battery) or if you don't connect the load until after you power it.
I still can't go above 2 stars though because you shouldn't have to be this careful to not kill it and the heatsink should come installed or they should at least give you a tube of thermal adhesive so you can do it yourself without making another purchase.