Efficiency:	88%
Operating Temperature:	-20°C ~ 70°C (With Derating)
Features:	Adjustable Output, Universal Input
Mounting Type:	Chassis Mount
Size / Dimension:	3.50" L x 2.00" W x 1.30" H (88.9mm x 50.8mm x 33.1mm)
Minimum Load Required:	No
Approvals:	CE, cURus, DEMKO
Series:	TB65
Part Status:	Active
Lead Free Status / RoHS Status:	--
Type:	Open Frame
Moisture Sensitivity Level (MSL):	--
Number of Outputs:	1
Voltage - Input:	85 ~ 264 VAC
Voltage - Output 1:	15V
Voltage - Output 2:	--
Voltage - Output 3:	--
Voltage - Output 4:	--
Current - Output (Max):	4.3A
Power (Watts):	65W
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV

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AC DC Converters

AC/DC converters are devices that convert alternating current (AC) electric power to direct current (DC) electric power. They are also known as power converters, inverters, AC/DC converters, and electronic voltage regulators. AC/DC converters are widely used in the electronics industry to convert AC power to a variety of lower-voltage DC outputs, as well as to control the speed and voltage of AC motors, such as in tablets and laptops.One popular AC/DC converter is the TB65S15K, which is a single-output non-isolated SMPS (Switched Mode Power Supply) specifically designed to efficiently convert AC power into highly regulated, low ripple DC output current. It features wide input voltage range of 80 to 265VAC, low power-on time, high efficiency, active PFC, soft start, overload protection, and a wide temperature operation range of -30°C to 70°C.The TB65S15K is widely used in industrial, medical, and consumer applications such as computer peripherals, ATX power supplies, television, LED lighting, gaming consoles, and medical equipment. Its wide input voltage range, combined with its ability to regulate both current and voltage, make it a versatile power solution.To understand how the TB65S15K is able to convert AC power into a regulated DC output, we need to examine the working principle of AC/DC converters. AC/DC converters are based on the principle of commutation – the process of a switching device (transistor, diode, etc) conducting current in one direction and then automatically turning off, followed by conducting current in the opposite direction. This arrangement forms a rectifier circuit which converts an alternating AC voltage into a unidirectional DC voltage.The TB65S15K, like most AC/DC converters, is based on the switch-mode topology. This topology uses a power switch (usually a transistor) that is switched on and off at a very high frequency, typically several hundred kilohertz. The output voltage is actively regulated by controlling the on-time of the switch. The switch is rapidly switched to the ON state, allowing the energy stored in the inductor and capacitor to be passed to the output. The switch is then switched to the OFF state, allowing the energy stored in the inductor to be discharged while the capacitor maintains the output voltage. This switching action is then repeated, forming a constant regulated output from the AC input. The TB65S15K also uses a secondary control circuit to control the output voltage. This secondary control circuit can sense the output voltage of the converter and will adjust the input frequency accordingly. This allows for the output voltage to be regulated to a very high degree of accuracy.The TB65S15K is a highly efficient and reliable AC/DC converter that is excellent for providing reliable and regulated DC power with high efficiency. Its wide input voltage range and ability to regulate current and voltage make it a versatile converter suitable for a variety of applications.

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