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    Picture of DC-DC Boost and Buck Converter, 18V-40V to 24V
    Picture of DC-DC Boost and Buck Converter, 18V-40V to 24V
    Picture of DC-DC Boost and Buck Converter, 18V-40V to 24V
    Picture of DC-DC Boost and Buck Converter, 18V-40V to 24V

    DC-DC Boost and Buck Converter, 18V-40V to 24V

    1 review(s) | Add your review
    SKU: PH-DCBBC-18-40S24
    $78.46
    ● Boost buck converter with wide input range up to 18V-40V, constant 24V output, supports multi-voltage input environment. ● Voltage accuracy ±1%, output current support 20A/25A/30A multi-specification, welcome to inquire. ● Efficiency up to 97%, energy efficient, stable output, spot for sale. ● Built-in 40A fuse, with multiple safety mechanisms to protect the equipment for long-term operation.
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    Overview

    PowerHome provides cost-effective DC-DC boost/buck converter, support 18-40V input to 24V output, built-in multiple protection mechanisms, regardless of the input voltage rise or fall, can maintain a stable output of 24V, the maximum current support 30A, the conversion efficiency is up to 97.6%. No external capacitors, suitable for automotive, solar, industrial automation and other application scenarios, low-cost and high-quality power supply program recommended.

    Specification

    Input
    Input Voltage 18-40V
    Max. Input Voltage 45V (Continuous)
    Undervoltage Shutdown 16.5-17V (Automatic Recovery)
    Undervoltage Recovery 17.5-18.5V (Automatic Recovery)
    Max. Input Current 27.6A (Vin=18V; Iout =20A)
    No Load Current 130mA (Typ. 110mA; Vin=24V)
    Positive Electrode Cable 12 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)
    Negative Electrode Cable
    Enable Pin Cable --AWG
    Fuse 40A (Input positive has built-in fuse)
    Output
    Efficiency 97.4% (Vin=24V; Iout=20A)
    Output Voltage 23.7-24.4V (Vin=24V; Iout=20A)
    Regulator Accuracy ±5%
    Voltage Regulation ±3%
    Load Regulation ±3%
    Overvoltage Protection 45.5V-47.0V
    Output Current 0-20A
    Overcurrent Protection 21-24A (Vin=24V)
    External Capacitance Don't need
    Output Ripple and Noise 260mVp-p (Vin=18-40V; Iout=20A, Oscilloscope Bandwidth: 20 MHz)
    Output Voltage Rise Time 100mS
    Boot Delay Time 150mS
    Out Voltage Overshoot 5% (Vin=24V, 50%-75% Load Step)
    Over Temperature Protection 85℃ shell
    Short Circuit Protection Long-term (4 hours) short circuit is notdamaged, Hiccup mode
    Positive Electrode Cable 14 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)
    Negative Electrode Cable
    Safety and EMC Features
    Anti-electric Strength Input to output: /
    Input to shell: ≥500V (Leakage Current ≤ 3.5mA, 1min,No Breakdown, No Arcing)
    Output to shell: ≥500V (Leakage Current ≤ 3.5mA, 1min,No Breakdown, No Arcing)
    Insulation Resistance Input to output: ≥50MΩ (Test Voltage =500V)
    Input to shell: ≥50MΩ (Test Voltage =500V)
    Output to shell:≥50MΩ (Test Voltage =500V)
    Absolute Maximum Ratings
    Operating Ambient Temperature -40-50℃
    Shell Ambient Temperature -40-80℃
    Storage Temperature -55-100℃
    Operating Humidity 5-95% (Non-condensing)
    Atmospheric Pressure 62-106Kpa
    Altitude 4000m
    Cooling Way Natural cooling
    Other
    Weight ≤290g
    Package White Box
    MTBF ≥200000H
    Switching Frequency 150±10kHz

    Note: This table takes the specification of 18-40V to 24V, 20A as an example, please see the selection table below for 25A/30A specification files.


    DC-DC Boost-Buck Converter Model Selection

    Output Current/Power: 20A/480W, Efficiency: 97.4%, Size: 74*74*32mm PDF computing18V-40V to 24V, 20A DC-DC Boost-Buck Converter User Manual
    Output Current/Power: 25A/600W, Efficiency: 97%, Size: 100*89*39mm Contact Us
    Output Current/Power: 30A/720W, Efficiency: 97.6%, Size: 100*89*39mm PDF computing18V-40V to 24V, 30A DC-DC Boost-Buck Converter User Manual
    Details
    DC DC boost buck converter 18v-40v 24v features

    Feature

    • 100% full power output, 18-40V voltage output, ensure high stability 24V power supply, suitable for a variety of industrial and vehicle scenes.
    • Selected aluminum alloy shell, lightweight and sturdy, easy to install, fast heat dissipation, suitable for a variety of equipment.
    • 24v buck boost converter supports long time continuous operation, service life of more than 100,000 hours, is the ideal choice for long-term stable power supply.
    • Each converter in the factory are 100% aging load test, to ensure high reliability and consistency.
     

    Details

    1. Powerful Die-casting Aluminum Heat Dissipation: 24v buck boost converter Highly efficient thermal conductivity and heat dissipation, suitable for high temperature industrial environments.
    2. Sealed Protection Shell: Fully enclosed structure, IP68 level dust and moisture resistance, enhance the stability and service life of the equipment.
    3. Pure Copper Wire Inductor: High current carrying capacity, more stable output.
    4. Highly Integrated Control Circuit: Precise layout of the circuit board, supporting over-current, over-voltage, short circuit protection.
    DC DC boost buck converter 18v-40v 24v details

    Dimension (unit: mm)

    18V-40V to 24V 20A/25A

    DC DC boost buck converter 18v-40v 24v 20A dimension

    18V-40V to 24V 30A

    DC DC boost buck converter 18v-40v 24v 30A dimension

    Wiring Diagram

    DC DC boost buck converter 5v-36v wiring


    Application

    Industrial equipment

    Industrial Equipment

    Automotive equipment

    Automotive Equipment

    Vehicle LED advertising

    Vehicle LED Advertising

    Communication equipment

    Communication Equipment

    FAQ

    Q1: Is the output of the 18V-40V to 24V converter stable and reliable?

    Yes, the DC-DC boost and buck converter has a built-in closed-loop voltage regulation system to ensure that the output voltage is within 24V ±1%. Regardless of the input voltage fluctuation, the converter can respond quickly to ensure that the load equipment is not affected. Meanwhile, it is equipped with over-current, short-circuit, over-temperature and other protection functions, which is suitable for long-time continuous work.

    Q2: What is the installation and heat dissipation method of this 24v DC converter?

    The module usually adopts free convection heat dissipation without fan, which is suitable for closed or space-limited industrial equipment internal use. The product shell is mostly made of aluminum alloy with high protection level, which has certain dustproof and waterproof performance. Installation is generally screw-fixed or rail-mounted, with input and output cables for quick integration into the system.

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    1 review(s)
    5.0 1
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    Grey | 10/20/2026 1:45 AM
    Efficient 24V DC-DC Converter
    Works great for keeping a steady 24V output even when the input voltage fluctuates. The aluminum heatsink helps manage heat, and the built-in fuse is a nice safety feature. With efficiency up to 97%, it’s a solid choice for solar setups and automation projects.
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