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    DC-DC Converter

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    DC-DC Boost Converter, 12V to 19V

    $56.51
    SKU: ATO-DCDC-1219
    Economic price DC-DC power converter is a boost converter with wide input volt range of 9V to 16V, designed to step up the input rated voltage 12V DC to 19V output voltage, high conversion efficiency up to 95%, and different output currents are available for selection.

    DC-DC Boost Converter, 12V to 24V

    $53.26
    SKU: ATO-DCDC-1224
    High quality and cost-effective DC-DC boost converter series step up 12V DC to 24V DC, power rating from 24 watts to 1200 watts, 10-23V DC input range. 100% waterproof & anti-shock protection, ultra compact size, light weight.

    DC-DC Boost Converter, 12V to 28V

    $69.29
    SKU: ATO-DCDC-1228
    DC-DC mini boost converter with wide input voltage range of 10V to 18V, designed to step up the input rated voltage 12V DC to 28V output voltage, rated current from 5A to 40A, compact and lightweight, waterproof and anti-shock protection.

    DC-DC Boost Converter, 12V to 36V

    $75.26
    SKU: ATO-DCDC-1236
    This series of 12V DC to 36V DC boost converters have wide input range of 10V to 25V, output power from 36W to 1080W, different models are optional. Low price DC-DC step up converters, are provided with overload protection, overvoltage protection.

    DC-DC Boost Converter, 12V to 48V

    $63.45
    SKU: ATO-DCDC-1248
    DC-DC boost converter series on sales, output current from 1 amp to 20 amps to select, 10-25V wide input voltage range, is designed to step up 12V DC to 48V DC, high transfer efficiency and stable performance.

    DC-DC Boost Converter, 24V to 48V

    $96.74
    SKU: ATO-DCDC-2448
    Buy 24V DC to 48V DC boost converter series online, with different models from 3 amps to 42 amps, 144 watts to 2000 watts, 18V-35V input voltage range, high efficiency up to 97%, IP68 waterproof level and anti-shock protection, ultra compact size, light weight.

    DC-DC Boost-Buck Converter, 18V-36V to 24V

    $142.39
    SKU: ATO-DCDC-183624
    DC-DC boost-buck converter is step up and step down converter with wide input voltage range of 18V to 36V, input rated voltage 24V, output voltage 24V, moisture-proof and anti-shock protection, high efficiency up to 95%.

    DC-DC Boost-Buck Converter, 8V-36V to 12V

    $112.49
    SKU: ATO-DCDC-83612
    Low cost DC-DC boost-buck converter with wide input voltage range of 8V to 36V, step up and step down converter is designed to input rated voltage 12V/24V to output voltage 12V, high efficiency up to 96%, optimized for low-power applications.

    DC-DC Boost-Buck Converter, 9V-36V to 24V

    $112.79
    SKU: ATO-DCDC-93624
    DC-DC boost-buck converter is light weight and compact, with wide input voltage range of 8V to 36V, high conversion efficiency up to 97%, step up or step down the input rated voltage 12V/24V to output voltage 24V.

    DC-DC Buck Converter, 12V/24V to 5V

    $98.45
    SKU: ATO-DCDC-122405
    This series of DC-DC power converters are DC-DC buck converters with wide input range of 8V to 36V, high conversion efficiency up to 95%, is designed to step down the input rated voltage 12V/24V DC to 5V output voltage, and different models are available for selection.

    DC-DC Buck Converter, 24V to 12V

    $102.58
    SKU: ATO-DCDC-2412
    24V to 12V mini DC-DC buck converter series is a compact size high reliability power converter with low price, it features wide input voltage 18V to 36V, wide range power from 18 watts to 1200 watts, low power consumption. Industry grade step down converter, efficiency up to 97%.

    DC-DC Buck Converter, 36V to 12V

    $83.44
    SKU: ATO-DCDC-3612
    60 watt to 720 watt DC-DC buck converters series with wide input range of 8V to 36V, high conversion efficiency up to 95%, is designed to step down the input rated voltage 36 volt DC to 12 volt output voltage, and different models are available for optional.

    DC-DC Buck Converter, 48V to 12V

    $73.52
    SKU: ATO-DCDC-4812
    Factory price 48 volt to 12 volt DC-DC buck converters from ATO are compact design, with 35V-60V wide input voltage range, output stable 12V DC, more than 94% power conversion efficiency, step down 48V DC input to 12V DC output.

    DC-DC Buck Converter, 48V to 24V

    $72.14
    SKU: ATO-DCDC-4824
    Affordable price 48V DC to 24V DC buck converter series for sales, with different models from 3 amps to 63 amps, 72 watts to 1500 watts, 35V-60V input voltage range, high efficiency up to 98%, IP68 for body.

    DC-DC Buck Converter, 60V to 12V

    $82.29
    SKU: ATO-DCDC-6012
    60V to 12V DC-DC power converter is a buck converter with input voltage range of 50V to 75V, designed to step down input rated voltage 60V DC to 12V output voltage, conversion efficiency up to 94%, different output currents are available.

    A DC to DC converter is a type of electric power converter that converts a source of direct current (DC) from one voltage level to another. ATO provides DC-DC buck converters, DC-DC boost converters, and DC-DC boost buck converters three converters series with a wide power range and cheap price for selection. Buck converters are designed to step down 24V/36V/48V to 12V, 48V to 24V. But boost converters are the opposite, to step up 12V to 24V/36V/48V, 24V to 48V. They are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily.

    DC-DC Converter Working Principle

    Working Principle of DC to DC Converter

    DC to DC means DC to DC conversion. There are three types DC converter on ATO.com, including boost converter, buck converter and boost-buck converter. The output current of the step-down DC to DC converter is relatively large, mostly hundreds of milliamperes to several amperes, so it is suitable for occasions with relatively large output current. The basic working principle circuit of the step down converter is shown in the figure. VT1 is a switch tube. When VT1 is turned on, the input voltage Vi supplies power to the load RL through the inductor L1, and at the same time it also charges the capacitor C2. In this process, energy is stored in the capacitor C2 and the inductor L1. When VT1 is off, the energy stored in the inductor L1 continues to supply power to RL. When the output voltage is going to drop, the energy in the capacitor C2 is also discharged to RL, maintaining the output voltage unchanged. The diode VD1 is a freewheeling diode to form a circuit loop. The output voltage Vo is divided by the voltage divider composed of R1 and R2, and the signal of the output voltage is fed back to the control circuit. The control circuit controls the on and off time of the switch tube to keep the output voltage unchanged.

    DC-DC Converter Input and Output Voltage Test

    DC to DC converters are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily. Such electronic devices often contain several sub-circuits, each with its own voltage level requirement different from that supplied by the battery or an external supply (sometimes higher or lower than the supply voltage). Additionally, the battery voltage declines as its stored energy is drained. Switched DC to DC converters offer a method to increase voltage from a partially lowered battery voltage thereby saving space instead of using multiple batteries to accomplish the same thing. Click the vedio below to learn more about DC-DC converter input and output voltage test.

    What are the DC-DC converters used for?

    DC-DC converters are commonly used in mobile devices such as mobile phones and notebook computers, which are mainly powered by batteries. There are often many sub-circuits in this type of electronic equipment, and the power supply voltage required is also different from that provided by the battery or external power supply. And when the battery's charge decreases, its voltage also drops. Switching DC-DC converters can be used with a battery that has dropped in voltage to keep the voltage supplying the circuit within a certain range, thus eliminating the need for multiple batteries for this purpose.

    Most DC-DC converters also regulate the output voltage, but there are some exceptions, such as high-efficiency LED driver circuits that regulate the current to the LED DC-DC converters, and simple charge pumps, Is to double or triple the output voltage.

    DC-DC converters can also be used with photovoltaic arrays or wind turbines in order to harvest the most energy. Such devices are called power optimizers.

    Generally, DC-DC converters are used in the transformer of 50-60Hz mains power supply. If the power exceeds several watts, the volume will be large and heavy, and the copper loss of the winding and the eddy current of the iron core will cause energy loss. DC-DC converters design circuits so that the transformer or inductor can operate at higher frequencies, so the components are smaller, lighter, and less expensive. Even such components will be used in some occasions where traditional mains frequency transformers were used. For example, household electrical equipment often rectifies the mains power into direct current, converts it into high-frequency alternating current of the required voltage using the technology of switching power supply, and finally rectifies it to direct current of the corresponding voltage. The whole circuit is more complicated than the traditional system with transformer and rectifier, but the price is cheaper and the efficiency will be better.