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DC-DC преобразователь на чипе LM2577 (повышающий)

DC-DC преобразователь на чипе LM2577 (повышающий)
Производитель: 15
Модель:
Можно купить (штук): 10
По цене: 10.00 бел руб

"Parameter introduction:
Input voltage range: 3.5V-35V (must be guaranteed to set the output voltage above the input voltage)
Output voltage range: 5.0V-56V
Input maximum current: 3A (the output current under the rated condition of power conservation Uin*Iin* efficiency =Uout*Iout)
The input of a continuous operating current: 2A (ventilation cooling condition of good output voltage and input voltage ratio can not be greater than 3) Appearance size: length * width * high 4.3cm*3.0cm*1.2cm
Note: when you test if the output voltage is not higher than the input voltage, please adjust the potentiometer clockwise, the output voltage will rise. Please don't counter clockwise adjust trying to do the buck module use, must guarantee the set output voltage higher than the input voltage, lest damage module!
IN+ input positive IN- input negative OUT+ output positive OUT- output negative!
Work efficiency tests are as follows:
5V 12V:
5V 12V= (11.93*0.500) / (5.02*1.383) *100%=86.3% (due to the test did not consider the actual output efficiency of the online pressure drop is better than the test efficiency) 12V 24V:
12V 24V= (23.84*0.799) / (12.03*1.747) *100%=90.7% (due to the test did not consider the actual output efficiency of the online pressure drop is better than the test efficiency) Typical application:
3.7, 1 turn 5V do mobile charging treasure
2, boost LED lamp string (need to increase the appropriate current limiting resistor)
3, 7.4V boost 12V application in model camera
Note: large current will be a lot of heat please pay attention to strengthen ventilation cooling. Rhododendron aureum

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