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    DC-DC Buck Converter, 48V to 13.8V

    48V to 13.8V DC-DC power converter is a buck converter with an input voltage range of 30V to 60V, designed to step down input rated voltage 48V DC to 13.8V output voltage, conversion efficiency up to 92%. Optional different output currents for your applications.
    SKU: ATO-DCDC-48138
    30-day Returns
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    Delivery date: 6-12 days

    This series of DC-DC buck converters with synchronous rectification technology is designed to step down the input rated voltage 48V DC to 13.8VDC output voltage, and different models for your applications.


    • Wide input voltage range: 30V to 60V
    • Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 92.2%
    • Waterproof lever of IP68, 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 48V to 13.8V 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-48S13R805
    Input Rated voltage 48V
    Voltage range 30-60V
    Efficiency 92.2% @ 48V input
    Output Voltage 13.8V
    Max. rated current 5A
    Max. rated power 69W
    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 IP68
    Over temperature protection YES
    Over voltage protection YES
    Mechanical Weight 300g
    Size 64*57*22mm

    48V to 13.8V DC-DC Buck Converter Model Selection

    Code Model Price Input Voltage Output Voltage Output Current Output Power Efficiency Size Download
    1 ATOWG-48S13R805 $55.39 48V DC 13.8V DC 5 Amps 69 Watts 92.2% 64*57*22mm ATO PDF
    2 ATOWG-48S13R810 $58.79 48V DC 13.8V DC 10 Amps 138 Watts 93.7% 64*57*22mm ATO PDF
    3 ATOWG-48S13R815 $60.39 48V DC 13.8V DC 15 Amps 207 Watts 95.8% 74*74*32mm ATO PDF
    4 ATOWG-48S13R820  $61.59 48V DC 13.8V DC 20 Amps 276 Watts  95% 74*74*32mm  ATO PDF
    5 ATOWG-48S13R830  $77.79 48V DC 13.8V DC 30 Amps 414 Watts 95.3% 100*80*39mm  ATO PDF
    6 ATOWG-48S13R850M  $136.69 48V DC 13.8V DC 50 Amps 690 Watts  97% 100*80*36mm  ATO PDF
    7 ATOWG-48S13R860M $144.69 48V DC 13.8V DC 60 Amps 828 Watts 96.5% 100*80*36mm  ATO PDF

    Note: The series of 48V to 13.8V 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: Where are DC-DC converters used?

    DC-DC converters are widely used in various applications to efficiently convert one direct current (DC) voltage level to another. They play a crucial role in modern electronics and power management systems. Common applications include:

    • Power Supplies: DC-DC converters are integral in many electronic devices, such as laptops and smartphones, to regulate the voltage supplied to sensitive components.
    • Renewable Energy: They are used in solar power systems to convert variable DC voltages from solar panels into stable outputs for grid connection or battery charging.
    • Automotive: In electric and hybrid vehicles, DC-DC converters transform high-voltage battery power to lower voltages for vehicle subsystems.
    • Telecommunications: They help maintain stable voltage levels in cell towers, data centers, and telecom equipment, ensuring uninterrupted communication.
    • Industrial Control: DC-DC converters are used in automation, robotics, and process control systems to power sensors, controllers, and actuators.
    • Aerospace and Defense: They provide regulated power for avionics, radar, and missile systems, where reliability is critical.
    • Medical Devices: DC-DC converters ensure precise and stable power supplies for medical equipment like MRI machines and pacemakers.

    DC-DC converters offer flexibility, efficiency, and voltage regulation in diverse applications, making them indispensable in modern technology.

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