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    DC-DC Buck Converter, 72V to 24V

    DC-DC buck converter with wide input voltage range of 30V to 90V, designed to step down the input rated voltage 72V DC to 24V output voltage, rated current 5A, 10A, 20A available, compact and lightweight, waterproof and anti-shock protection.
    SKU: ATO-DCDC-7224
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Affordable price DC-DC power converter with synchronous rectification technology, is designed to step down the input rated voltage 72V to 24V DC output voltage, and different models can be selected to meet your needs.


    • Wide input voltage range: 30V to 90V.
    • Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 96.4%.
    • This buck module comes with waterproof lever of IP67, moisture-proof & anti-shock protection.
    • Auto-recovery when the device is back to normal operating.
    • Built-in full protection against over/under voltage input, over-current, overload, overhead, over-temperature and short circuit.
    • Industry grade DC 72V to 24V buck converter, widely used in automotive, electricity, surveillance systems, railway signals, instruments, solar generates electricity, display screen of bus and taxi, car audio device, security systems, hospital equipment, telecommunications etc.

    5A DC-DC Buck Converter Specification

    Model ATOWG-72S2405
    Input Rated voltage 72V
    Voltage range 30-90V
    Efficiency 93% @ 60V input
    Output Voltage 24V
    Max. rated current 5A
    Max. rated power 120W
    Voltage regulation ±1%
    Load regulation 2%
    No load loss 70mA
    Ripple & noise 120mV
    Environment Working temperature -40 ~ +80℃
    Working humidity 10% ~ 90%RH
    Storage temperature -40 ~ +100℃
    Function Short circuit protection YES
    Over current protection YES
    Waterproof IP67
    Over temperature protection YES
    Over voltage protection YES
    Mechanical Weight 300g
    Size 64*57*22mm

    72V to 24V DC-DC Buck Converter Model Selection

    Code Model Price Input Voltage Output Voltage Output Current Output Power Efficiency Size Download
    1 ATOWG-72S2405 $58.59 72V DC 24V DC 5 Amps 120 Watts 93% 64*57*22mm ATO PDF
    2 ATOWG-72S2410 $68.39 72V DC 24V DC 10 Amps 240 Watts 96.5% 64*57*22mm ATO PDF
    3 ATOWG-72S2420 $79.69 72V DC 24V DC 20 Amps 480 Watts 96.4% 64*57*22mm ATO PDF

    Note: The series of 72 V to 12V DC-DC buck converter models are all here, check the parameter carefully from the table and select the right converter power supply when place the order.

    Tips: How does a DC-DC converter work in a car?

    A DC-DC converter in a car is an electrical device that transforms the vehicle's electrical system's direct current (DC) voltage from one level to another. It typically converts the higher voltage generated by the car's alternator (e.g., 12V or 24V) to lower voltages required for various vehicle components, such as 5V for USB chargers or 3.3V for sensors and microcontrollers.

    The converter operates through a combination of electronic components like transistors, capacitors, and inductors. It first rectifies the input DC voltage, converting it to a stable high-frequency AC voltage. Then, it uses pulse-width modulation (PWM) techniques to control the duty cycle of this AC signal, effectively averaging it to the desired output voltage. The filtered result is a stable, regulated DC output.

    DC-DC converters are crucial for powering sensitive electronics in modern cars, ensuring they receive the right voltage levels, even when the vehicle's electrical system experiences fluctuations or when lower-voltage devices need power from a higher-voltage source.

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