SQM48T20033-PBA0

Current - Output (Max):	20A
Control Features:	Enable, Active High
Size / Dimension:	2.30" L x 0.90" W x 0.36" H (58.4mm x 22.9mm x 9.1mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	2kV
Power (Watts):	66W
Series:	SemiQ™ SQM48
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters

DC-DC converters have become integral components of electronic devices in virtually every application. The SQM48T20033-PBA0 is a specific type of DC-DC converter manufactured by Shenzhen Yufeng Technology Co., Ltd. that offers some unique advantages for an array of different applications. This article will discuss the application field and working principle of the SQM48T20033-PBA0. The SQM48T20033-PBA0 is a power module based on a two-stage DC-DC converter. It consists of an input unit and an output unit. The input unit, which is composed of an inductor, a rectifier, a capacitor, and a transformer, is responsible for converting an AC voltage to a DC voltage. The rectifier and capacitor then filter and regulate the voltage as it travels to the output unit, which includes a filter capacitor, a buck-boost chopper, and a transformer. The buck-boost chopper is responsible for transforming the input voltage to the desired set output voltage level. The SQM48T20033-PBA0 offers advantages such as high efficiency, low ripple, and low noise with a wide range of input/output voltage combinations. The maximum output current is 3.7A and a maximum output power of 18W. The module is also rated to operate at constant temperatures up to 125-degrees Celsius. The SQM48T20033-PBA0 is ideal for forming the power supply chain in communication systems, vehicle systems, medical systems, specialist instrumentation, embedded systems, DC motors, and other processes where a high-performance power supply is needed. It is also widely used in applications requiring interstage boost/buck technology. In addition to its application field, the working principle of the SQM48T20033-PBA0 is also worth noting. The two-stage DC-DC converter system works by passing the input voltage through the first stage, which consists of an inductor and a rectifier. This process transforms the voltage into a DC form, but the specific voltage value is always higher than the desired output voltage. The output unit then takes this voltage and uses the buck-boost chopper to step it down to the desired voltage and supply it to the load. The filter capacitor then filters out any harmonics created by the buck-boost chopper to ensure a clean signal is sent out. Finally, the transformer is used to isolate the input and output stages to prevent any interference between stages and disruptive noise. It also helps in maintaining accurate voltage regulation at all times. In conclusion, the SQM48T20033-PBA0 is a two-stage DC-DC converter that offers a wide range of input/output voltage combinations, high efficiency, and low noise. It is used primarily in communication systems, medical systems, vehicle systems, and DC motor control. The working principle of the SQM48T20033-PBA0 involves passing the voltage through the input stage and then using the buck-boost chopper, filter capacitor, and transformer to step down the voltage to the desired output value.

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