DC-DC Boost-Buck Converter, 8-40V to 12V

DC-DC Boost-Buck Converter, 8-40V to 12V

Low cost DC-DC boost-buck converter with wide input voltage range of 8V to 40V, step up and step down converter is designed to output voltage 12V, high efficiency up to 96%, optimized for low-power applications.

SKU: CCHN-DCDC-83612

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Delivery date: 6-25 days

Overview

DC-DC mini converter is adopted synchronous rectification technology, high efficiency up to 96%, compact size, light weight and wide applications.

Features

Wide input voltage range: 8V to 40V.
Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 96%.
This non-isolated power module comes with waterproof lever of IP67, 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 12V/24V to 12V boost 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

Model	CCHNWG8-40S1206	CCHNWG8-40S1210	CCHNWG8-40S1220
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
Input Characteristics
Input Voltage	8-40V (Typ. 12/24)
Max. Input Voltage	40V (Continuous)		45V (Continuous)
Undervoltage Shutdown	7.8-8.2V (Automatic Recovery)		7.3-8.2V (Automatic Recovery)
Undervoltage Recovery	8.5-8.7V (Automatic Recovery)		7.6-8.2V (Automatic Recovery)
Max. Input Current	11.3A (Vin=8.1V; Iout =6A)	18A (Vin=8.1V; Iout =10A)	33A (Vin=8V; Iout =20A)
No Load Current	47mA (Vin=12V)	55mA (Vin=12V)	50mA (Vin=12V)
Positive Electrode Cable	16 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)	14 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
Enable Pin Cable	22 AWG (If the product has this feature)		N/A
Fuse	30A (Input positive has built-in fuse)		40A (Input positive has built-in fuse)
Output Characteristics
Efficiency	90.8% (Vin=12V; Iout=6A)	90.8% (Vin=12V; Iout=10A)	96% (Vin=12V; Iout=20A)
Output Voltage	11.9-12.3V (Vin=12V; Iout=6A)	11.9-12.3V (Vin=12V; Iout =10A)	11.8-12.4V (Vin=12V; Iout =20A)
Regulator Accuracy	±1%		±5%
Voltage Regulation			±3%
Load Regulation			±3%
Overvoltage Protection	N/A		45.5-47.0V
Output Current	0-6A	0-10A	0-20A
Overcurrent Protection	9.7-10.2A (Vin=12V)	16.3-16.7A (Vin=12V)	21-24A (Vin=12V)
External Capacitance	0-4000μF		μF (Don' t Need)
Output Ripple and Noise	130mVp-p (Vin=8-40V; Iout=6A, Oscilloscope Bandwidth: 20 MHz)	230mVp-p (Vin=8-40V; Iout=10A, Oscilloscope Bandwidth: 20 MHz)	250mVp-p (Vin=8-40V; Iout=20A, Oscilloscope Bandwidth: 20 MHz)
Output Voltage Rise Time	5.0mS	4.8mS	30mS
Boot Delay Time	14mS	15mS	35mS
Out Voltage Overshoot	2% (Vin=12V, 50%-75% Load Step)
Over Temperature Protection	N/A		85℃ (Shell)
Short Circuit Protection	N/A		Yes (Long-term (4h) Short Circuit is Not Damaged, Hiccup Mode)
Positive Electrode Cable	16 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)		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	N/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
Weight	About 290g
Package	White Box
MTBF	≥200000H
Switching Frequency	80±10kHz		150±10kHz

DC-DC Converter Model Selection

Code	Model	Price	Input Voltage	Output Voltage	Output Current	Output Power	Efficiency	Size	Download
1	CCHNWG8-40S1206	$60.92	8-40V DC	12V DC	6 Amps	72 Watts	90.8%	747432mm
2	CCHNWG8-40S1210	$64.61	8-40V DC	12V DC	10 Amps	120 Watts	90.8%	747432mm
3	CCHNWG8-40S1220	$78.46	8-40V DC	12V DC	20 Amps	240 Watts	96%	747432mm

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 can a DC-DC buck-boost Converter do?

The DC-DC buck-boost converter can regulate and stabilize voltage by either increasing (boosting) or decreasing (bucking) the input voltage to maintain a constant output voltage. It is especially useful in systems where the input voltage can vary widely, such as in battery-powered devices, solar panels, or automotive electronics, ensuring the connected components receive a steady voltage regardless of changes in the power source.