QSB7548S05

Current - Output (Max):	12A
Control Features:	Enable, Active High
Size / Dimension:	2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
Package / Case:	8-DIP Module
Mounting Type:	Through Hole
Efficiency:	85%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	75W
Series:	QSB
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Box

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DC DC Converters

DC-DC converters are devices used for converting a DC (direct current) voltage into another DC voltage, usually of higher or lower levels. There are various types of DC-DC converters designed for different application fields, such as adjustable voltage, adjustable current, regulated voltage, and load sharing.The QSB7548S05 is one such device designed for DC-DC conversion applications. This device is a precision adjustable-current DC-DC converter with a wide input voltage range. The main function of this converter is to provide a regulated output voltage for a maximum output current. The QSB7548S05 also provides protection against over-current, over-temperature, and short-circuit conditions.The working principle of the QSB7548S05 is actually quite simple. It uses an integrated synchronous-speed-controlled DC-DC converter to provide its variable output voltage. The converter works by taking an input voltage and using a pair of transistors to turn the voltage into a controlled output rate. The output voltage is then regulated by adjusting the duty cycle of the two transistors, which control the output current.The main application fields of the QSB7548S05 include computer systems, portable devices, automotive, and industrial applications, where the purpose is usually either to provide a regulated output voltage or current for a load or to provide load sharing.In computer systems, the QSB7548S05 is often used for power supplies and to regulate the output voltage. In portable devices, the converter is used to ensure reliable power supply and reduce power consumption. In automotive applications, it is used to provide a secure power source for communication systems and car accessories such as airbags and alarm systems. In industrial applications, the converter is used to provide a reliable load sharing and to regulate output current and voltage.As touched upon earlier, the QSB7548S05 features a wide input voltage range. The input range is 4 -55V (±30V) and the maximum output current is 10A. The device also offers a high efficiency of up to 93%. Furthermore, it can handle temperature variations of up to 75°C.Overall, the QSB7548S05 is a great choice for a wide range of DC-DC conversion applications. It provides a secure output voltage, offers high efficiency, and can handle temperature variations of up to 75°C. Whether you need to provide a regulated output voltage or current for a load, or want to provide load sharing in an industrial application, the QSB7548S05 is an excellent choice.

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