ALT06F48

Current - Output (Max):	6A
Size / Dimension:	2.00" L x 1.60" W x 0.38" H (50.8mm x 40.6mm x 9.7mm)
Package / Case:	6-DIP Module
Mounting Type:	Through Hole
Efficiency:	85%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	25W
Series:	ALT
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Part Status:	Obsolete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: ALT06F48 Application Field and Working Principle

DC-DC converters allow the electrical conversion of power from one form to another. They can be divided into two main categories: Step-down converters and Step-up converters. ALT06F48 is a type of Buck (Step-down) DC-DC converter and it has many applications in the industry. A DC-DC converter is needed when you need to convert a voltage up or down, or when you need to mantain a constant voltage source regardless of the source applied, or when you need to extract maximum power from a given source to a given load. The basic principle behind the working of a DC-DC converter is that of an electrical transformer. It’s based on the fact that when a voltage is applied to a primary winding, it induces an AC voltage in the secondary winding, and this is further rectified and filtered to obtain DC at the desired voltage. ALT06F48 is tasked with converting a source of DC voltage to a desired lower voltage at a constant current. This converter is ideal for applications that require a constant current and voltage, such as in the LED lighting, battery charging systems, and other DC applications. It has a wide input voltage range from 8V to 48V, and output voltage range from 0.8V to 40V. In addition, the interface of this converter is designed to be user friendly, as it comes with a comprehensive protection circuit for over-temperature, short-circuit, and over-current protection. The ALT06F48 buck converter, like all buck DC-DC converters, consists of two main components, the primary side inductor and the secondary side diode, coupled with pass transistors. The switching signal of the pass transistor is produced by the PWM controller within the circuit. The primary side inductor is placed in series with the input voltage source. As the pass transistor is activated by the controller, it forces the negative side of the input voltage to go low, while the positive side is forced to go very high. The result is that a large current will flow through the primary side inductor, and this causes an accumulation of energy in the inductor, which is triggered by the PWM controller. When the time comes that the switching signal turns off, all the energy stored in the inductor will flow to the secondary side. This is where the diode connected to the secondary side will come in. As this diode is forward biased, it will direct the energy stored in the inductor to the load connected to the secondary side. The output voltage and current are determined by the ratio of the primary and secondary sides, and the overall efficiency are determined by the duty cycle of the switching transistor. Altogether, ALT06F48 is a great choice for applications that require a constant voltage and current, as it is a very reliable and user-friendly DC-DC converter. It has a wide input voltage range and thus can be used for demands of any form of voltage conversion. It also comes with a comprehensive protection circuit for safety purposes. Ultimately, its main advantage is that it ensure constant current and voltage, no matter what the source, making it an ideal choice for LED lighting, battery charging systems, and other DC applications.

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