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    Picture of DC-DC Boost-Buck Converter, 9V-40V to 28V
    Picture of DC-DC Boost-Buck Converter, 9V-40V to 28V
    Picture of DC-DC Boost-Buck Converter, 9V-40V to 28V
    Picture of DC-DC Boost-Buck Converter, 9V-40V to 28V

    DC-DC Boost-Buck Converter, 9V-40V to 28V

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    SKU: PH-DCBBC-9-40S28
    $67.56
    ● Buck and boost converter 9V-40V wide input, automatic boost or buck output 28V, to meet a variety of power supply needs. ● The output voltage is stabilized at 28V (±1% accuracy), and the current can be up to 5A/10A/15A, with high-quality output filtering, the power can be up to 420W. ● The no-load current is only 67mA, and the high frequency 130kHz ±10kHz switching design effectively reduces energy consumption and minimizes interference. ● DC-DC step up down converter can work under -40°C to 50°C, built-in EMC protection and insulation structure, insulation resistance ≥ 50MΩ, strong anti-interference.
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    Overview

    DC-DC boost and buck converter for sale, suitable for many input range power supply scenarios. With auto boost function, suitable for input voltage from 9V to 40V, output constant 28V, regulation accuracy ±2%, efficiency up to 97.9%, current output optional 5A/10A/15A. come to powerhome online shop, we can help you to realize the low-cost solution to the problem of high-current power supply, suitable for industrial, automotive, communication and other applications.

    DC DC boost buck converter 9v-40v 28v features

    Feature

    • 28v buck boost converter adopts imported chips (such as Black Diamond, TI, etc.) internally to ensure high reliability and stability.
    • Supports wide voltage input (9V-40V), automatic lift voltage output 28V, conversion efficiency up to 97%, excellent performance.
    • Built-in over-current, over-temperature, short-circuit and other multiple protections, with high-quality thermally conductive silicone potting.
    • IP68 waterproof, dustproof, shockproof ability, suitable for a variety of harsh environments.
     

    Details

    1. Die-casting aluminum heat dissipation shell structure, efficient heat conduction, improve heat dissipation ability, to ensure that the long time high power work is still stable.
    2. High efficiency buck boost converter overall closed design, effectively prevent dust, water vapor into the circuit, enhance the adaptability and life of the converter in the industrial environment.
    3. The core components use a combination of large flat copper wire inductors and multiple low impedance capacitors to ensure stable current output and reduce ripple.
    4. Built-in high-quality electronic components, the output voltage is accurate and controllable, and supports multiple protections such as over-voltage, over-current and short-circuit.
    DC DC boost buck converter 9v-40v 28v details

    Dimension (unit: mm)

    9V-40V to 28V 5A/10A

    DC DC boost buck converter 9v-40v 28v 5A dimension

    9V-40V to 28V 15A

    DC DC boost buck converter 9v-40v 28v 15A dimension

    Wiring Diagram

    DC DC boost buck converter 5v-36v wiring

    Specs
    Input
    Input Voltage 9-40V
    Max. Input Voltage 44V (Continuous)
    Undervoltage Shutdown 7-9V (Automatic Recovery)
    Undervoltage Recovery 8-10V (Automatic Recovery)
    Max. Input Current 17A (Vin=9V; Iout =5A)
    No Load Current 100mA (Typ. 67mA; Vin=24V)
    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
    Enable Pin Cable 22 AWG (If the product has this feature)
    Fuse 20A (Input positive has built-in fuse)
    Output
    Efficiency 97.9% (Vin=24V; Iout=5A)
    Output Voltage 27.8-28.3V (Vin=24V; Iout=5A)
    Regulator Accuracy ±2%
    Voltage Regulation
    Load Regulation
    Overvoltage Protection /
    Output Current 0-5A
    Overcurrent Protection 8A (Vin=24V)
    External Capacitance Don't need
    Output Ripple and Noise 250mVp-p (Vin=9-40V; Iout=5A, Oscilloscope Bandwidth: 20 MHz)
    Output Voltage Rise Time 160mS
    Boot Delay Time 200mS
    Out Voltage Overshoot 2% (Vin=24V, 50%-75% Load Step)
    Over Temperature Protection 85℃ @ shell temperature
    Short Circuit Protection Long-term (4 hours) short circuit is notdamaged, Hiccup mode
    Positive Electrode Cable 16 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 130±10kHz

    Note: This table takes the specification of 9-40V to 28V, 5A as an example, please see the selection table below for 10A/15A specification files.


    DC-DC Boost-Buck Converter Model Selection

    Output Current/Power: 5A/140W, Efficiency: 97.9%, Size: 74*74*32mm PDF computing9V-40V to 28V, 5A DC-DC Boost-Buck Converter User Manual
    Output Current/Power: 10A/280W, Efficiency: 97.7%, Size: 74*74*32mm PDF computing9V-40V to 28V, 10A DC-DC Boost-Buck Converter User Manual
    Output Current/Power: 15A/420W, Efficiency: 95.1%, Size: 100*80*36mm PDF computing9V-40V to 28V, 15A DC-DC Boost-Buck Converter User Manual
    Application
    Industrial equipment

    Industrial Equipment

    Automotive equipment

    Automotive Equipment

    Vehicle LED advertising

    Vehicle LED Advertising

    Communication equipment

    Communication Equipment

    FAQ

    Q1: DC-DC boost buck converter from 9V-40V to 28V will voltage variations affect the use of the device?

    No, it will not. This DC-DC converter integrates a high-performance voltage regulator circuit, which can stabilize the output voltage of 28V when the input voltage fluctuates from 9V to 40V, and supports multiple protections such as over-voltage, under-voltage, over-current, short-circuit, and so on, and the output voltage error can be controlled within the range of ±1%, which can effectively guarantee the stability of the operation of the precision equipment.

    Q2: What are the advantages of this boost-buck converter over traditional buck or step-up modules?

    Conventional modules can only step up or step down, and are prone to failure when the input voltage varies greatly. This boost and buck converter can automatically adapt to different voltage inputs, which makes it more flexible and has a wider range of applications. It is an ideal alternative to single-function modules, saving space and cost.

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