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DC-DC Boost-Buck Converter, 18V-40V To 24V

DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
DC-DC Boost-Buck Converter, 18V-40V To 24V
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$88.46
Ex Tax: $88.46
  • Stock: In Stock
  • Model: KOLAUT-DCDC-183624
  • Weight: 1.00
  • SKU: KOLAUT-DCDC-183624

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Cost-saving mini DC-DC boost-buck converter is adopted synchronous rectification technology, non-isolated between input and output, with short circuit, overload, over temperature protections.

Features

  • Wide input voltage range: 18V to 40V.
  • Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 97%.
  • This non-isolated power module comes with waterproof lever of IP68, moisture-proof & anti-shock protection.
  • Auto-recovery when device is back to normal operating.
  • Built-in full protection against over/under voltage input, over-current, overload, over-temperature and short circuit.
  • Industry grade DC 18V-40V to 24V boost-buck converter, widely used in automotive, electricity, surveillance systems, railway signals, instruments, solar generate electricity, display screen of bus and taxi, car audio device, security systems, hospital equipment, telecommunications etc.

Specifications

ModelKOLAUTWG18-40S2420KOLAUTWG18-40S2430
Absolute Maximum Ratings
Operating Ambient Temperature-40~50℃
Shell Ambient Temperature-40~80℃
Storage Temperature-55~100℃
Operating Humidity5~95% (Non-condensing)
Atmospheric Pressure62-106Kpa
Altitude4000m
Cooling WayNatural Cooling
Input Characteristics
Input Voltage18-40V (Typ. 24/36V)
Max. Input Voltage45V (Continuous)
Undervoltage Shutdown16.5-17.0V (Automatic Recovery)16.5-17.3V (Automatic Recovery)
Undervoltage Recovery17.5-18.5V (Automatic Recovery)17.8-18.3V (Automatic Recovery)
Max. Input Current27.6A (Vin=18V; Iout=20A)42.3A (Vin=18V; Iout=30A)
No Load Current130mA (Vin=24V)150mA (Vin=24V)
Positive Electrode Cable12 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)10 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)
Negative Electrode Cable
Enable Pin CableN/A
Fuse40A (Input positive has built-in fuse)60A (Input positive has built-in fuse)
Output Characteristics
Efficiency97.4% (Vin=24V; Iout=20A)97.6% (Vin=24V; Iout=30A)
Output Voltage23.8-24.4V (Vin=24V; Iout =20A)23.8-24.4V (Vin=24V; Iout =30A)
Regulator Accuracy±5%
Voltage Regulation±3%
Load Regulation±3%
Overvoltage Protection45.5-47.0V
Output Current0-20A0-30A
Overcurrent Protection21-24A (Vin=24V)30-33A (Vin=24V)
External CapacitanceμF (Don' t Need) 
Output Ripple and Noise260mVp-p (Vin=18-40V; Iout=20A, Oscilloscope Bandwidth: 20 MHz)450mVp-p (Vin=18-40V; Iout=30A, Oscilloscope Bandwidth: 20 MHz)
Output Voltage Rise Time100mS450mS
Boot Delay Time150mS450mS
Out Voltage Overshoot5% (Vin=24V, 50%-75% Load Step)
Over Temperature Protection85℃ (Shell)
Short Circuit ProtectionYes (Long-term (4h) Short Circuit is Not Damaged, Hiccup Mode)
Positive Electrode Cable14 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)12 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 OutputN/A
Input to Shell≥500V (Leakage Current ≤ 3.5mA, 1min, No Breakdown, No Arcing)
Output to Shell
Insulation Resistance
Input to Output≥50MΩ (Test Voltage=500V)
Input to Shell
Output to Shell
Other Characteristics  
WeightAbout 290gAbout 550g
PackageWhite Box
MTBF≥200000H
Switching Frequency150±10kHz


DC-DC Converter Model Selection

CodeModelPriceInput Voltage Range
Output VoltageOutput CurrentOutput PowerEfficiencySizeDownload
1KOLAUTWG18-40S2420$78.4618-40V DC24V DC20 Amps480 Watts97.4%74*74*32mm
2KOLAUTWG18-40S2425$103.0718-40V DC24V DC25 Amps600 Watts97%100*80*39mmContact Us
3KOLAUTWG18-40S2430$112.3018-40V DC24V DC30 Amps720 Watts97.6%100*80*39mm

Note: The DC-DC boost converter models are all here, check the parameter carefully from the table and select the right converter power supply when place the order.

Tips: What is a DC-DC Buck-Boost Converter?

A DC-DC buck-boost converter is an electronic device that regulates voltage by either stepping it up (boost) or stepping it down (buck), depending on the input voltage level. It allows a stable output voltage to be maintained even when the input voltage fluctuates above or below the desired output. This makes it useful in applications like battery-powered systems, where the voltage may vary but a constant voltage is needed for the load.

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