Current - Output (Max):	1A
Supplier Device Package:	--
Size / Dimension:	1.25" L x 0.80" W x 0.47" H (31.8mm x 20.3mm x 12.0mm)
Package / Case:	24-DIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	77%
Operating Temperature:	-40°C ~ 71°C
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	3kV
Power (Watts):	5W
Series:	THB 6
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DC/DC converters are widely used electronic components which can convert one DC voltage signal to one or more different DC voltage signals. They allow for efficient power conversion between a single supply source and multiple load devices. DC/DC converters are classified by the topology, packaging, and output configuration that they possess.The THB 6-4811 DC/DC converter is one such converter which falls under the buck DC/DC category. Buck DC/DC converters in general are characterized by their ability to convert a higher voltage input signal into a lower voltage output signal. This is achieved through a conduction mode that controls when and how energy is transferred from the input side to the output side. In the THB 6-4811’s case, it is used for applications where an input voltage of 24V needs to be converted to an output voltage of 12V and/or 5V. It takes a PWM signal as an input which is used to regulate the switching frequency in the converter, as well as the overall output voltage. The THB 6-4811 is rated of an output current up to 4A and an input current up to 1.3A.The working principle of the THB 6-4811 is based on the buck topology, whereby a switch is used to alternately connect an inductor to the input voltage source and a diode to the output voltage source, thus facilitating the transfer of energy from the input to the output. The duty cycle of the PWM signal acts as the control variable for the switching frequency and overall output voltage. When a duty cycle is replied, the current through the inductor increases, resulting in a voltage being stored in the inductor. This voltage is then transferred to the output side via a diode, which allows current to be drawn from the output side and the voltage to drop. The output voltage is proportional to the duty cycle, and thus when the duty cycle is increased, so is the output voltage. The THB 6-4811 also features a built in current limit feature, which prevents the output from going over the rated current during any given operation. Furthermore, the THB 6-4811 is 56% efficient, dissipating at most 44% of the input power into the environment, making it an energy efficient DC/DC converter. In conclusion, the THB 6-4811 DC/DC converter is a great solution for applications which require voltage conversion from 24V to an output voltage of 12V or 5V. It features efficient power conversion and overload protection via a built-in current limiter. Furthermore, its buck topology provides for 56% efficiency and reliable performance, making it an ideal choice for any voltage conversion scenario.

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