QSB60024S28

Current - Output (Max):	21.5A
Control Features:	Enable, Active High
Size / Dimension:	4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
Package / Case:	16-DIP Module
Mounting Type:	Through Hole
Efficiency:	90%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	602W
Series:	QSB
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	28V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Box

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QSB60024S28 DC DC Converters: Application Field and Working Principle

DC to DC converters are used in a variety of applications, from small devices that require the conversion of a single voltage to large-scale industrial applications where multiple voltage levels must be converted. One of the most reliable and popular models is the QSB60024S28, a high-efficiency, full-bridge switching converters with synchronous rectification. In this article, we will discuss the application field and working principle of this DC to DC converters.The QSB60024S28 is ideal for applications requiring a combination of high efficiency and wide input voltage range. The synchronous rectification feature improves efficiency by 5-10%, and the wide input voltage range makes the device suitable for applications which require higher isolation and voltage conversion ratios. The maximum output current is up to 6A, while the maximum switching frequency is 400KHz and the efficiency is up to 95%.The wide operating temperature range (-40 to +85°C) makes it suitable for operation in harsh environments, while the low-profile and non-isolated design makes it easy to install in tight spaces. Additionally, features such as over-temperature and over-voltage protection help to ensure safe operation in a variety of applications.The core of the QSB60024S28 is the full-bridge switch mode rectifier, which is used to convert one voltage to another with efficiency and power transfer. The full-bridge rectifier consists of four MOSFETs, which are driven by a switching control circuit. In the switching control circuit, the current flowing through the MOSFETs is monitored and regulated to ensure optimal efficiency. Synchronous rectification is also used to improve efficiency and reduce losses in the rectifier.The full-bridge rectifier operates as a buck converter, and the output voltage is determined by the duty cycle of the MOSFETs. By varying the duty cycle and thus the on-time of each MOSFET, the output voltage can be regulated to meet the desired voltage level.The switching control circuit also allows for the MOSFETs to be switched on and off in a synchronized manner, resulting in a smoother output voltage waveform. This ensures that the maximum amount of power is efficiently transferred between the input and output.In summary, the QSB60024S28 is a high-efficiency, full-bridge switching converter with synchronous rectification. It is ideal for applications requiring a combination of high efficiency and wide input voltage range, while features such as low-profile, non-isolated design, wide operating temperature range, and protection mechanisms make it suitable for operation in a variety of environments. Additionally, its core full-bridge rectifier technology ensures high-efficiency and power transfer during voltage conversion.

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