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Automatic DC-DC Step Up Step Down Boost Buck Converter Power Supply Module Voltage Regulator Module 5.5-30V to 0.5-30V

12474
5 9
$3.35
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Description:
1. Wide voltage input 5.5-30V, wide voltage output 0.5-30V, both boost can also buck, such as you adjust the output voltage of 18V, then the input voltage between 5.5-30V casually change, will be constant output 18V; and then you Input 12V, adjust the potentiometer to set 0.5-30V arbitrary output; high power, high efficiency, better performance than XL6009 / LM2577 program.
2. XL6009 / LM2577 on the market using a single SS34 rectifier, the first pressure value is not enough, according to the principle of starting and lowering the rectifier and
   switch tube voltage value is greater than the maximum input voltage plus the maximum output voltage (if the input voltage and output voltage are the largest for the 30V,
   mos tube and Schottky's voltage at least to reach 60V), SS34 pressure up to 40V, 6009 maximum pressure 36V, this module design is the existence of security risks;
3. The current output capacity is not enough, the original SS34 maximum current 3A (coupled with switching losses, poor heat, the real current capacity can be less than 3A),
   Schottky once the voltage is too high or the temperature is too high will be broken, Whole module. There are security risks;
4. Finally, XL6009/LM2577 program is low efficiency, ordinary inductive heat, not the buck chip, the lack of adequate protection.
5. The module uses the step-up and down the chip as the main controller, external 60V 75A MOS tube as a switch, double 60V 5A SS56 schottky do rectifier.

Introduction:
1. Wide voltage input 5.5-30V, wide voltage output 0.5-30V, both boost can also buck, such as you adjust the output voltage of 18V, then the input voltage between 5.5-30V casually change, will be constant output 18V; then For example, you enter 12V, adjust the potentiometer settings 0.5-30V arbitrary output.
2. High power, high efficiency, better performance than XL6009 / LM2577 program. Using external 60V75A high power MOS, parallel high current high withstand voltage Schottky diode SS56. Not 6009 or 2577 program SS34 can be compared, because according to the principle of step-up and down, MOS and Schottky's pressure is greater than the sum of the input and output voltage. Iron silico aluminum magnetic ring inductance, high efficiency.

Parameter:
1>. Input voltage: DC 5.5 -30V
2>. Output voltage: DC 0.5-30V
3>. Output current: Long-term stability in the 3A, with heat sink 4A
4>. Output power: natural heat 30W, heat sink 50W
5>. Conversion efficiency: about 88%
6>. Short circuit protection: Yes
7>. Operating frequency: 180KHZ
8>. Size: 56* 20 * 21mm
9>. Work temperature:-20~85Celsius

Precautions:
1>. This module is a constant pressure type, is not recommended for battery charging or LED drive and other occasions need constant current.
2>. Make sure that the power of the power supply is always greater than the power required for the output load!
3>. Module input No input anti-reverse function, please pay attention to the direction of power supply positive and negative.
4>. Input voltage to 7V or more, the module can the maximum power output. When the input voltage is 5.5V, the output power is about 15W.
5>. Module with output short circuit protection, short circuit protection module automatically shut down the output, to re-power the module can be restored,
    if your power supply without output current limit protection, it is recommended in the module input front-end fuse, improve safety factor.
6>. The module has input undervoltage protection function, the default is about 5V, below this value, it will automatically disconnect the output,
    to re-power the module can be restored (note that the module port voltage, when the input current is relatively large , Do not ignore the input voltage on the wire).

Application:
1>. Car Power
2>. Industrial power supply
3>. Model power supply
4>. Embedded systems and so on
5>. Laboratory

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