VXO7803-500

Voltage - Output 4:	--
Supplier Device Package:	--
Size / Dimension:	0.39" L x 0.28" W x 0.43" H (10.0mm x 7.2mm x 11.0mm)
Package / Case:	3-SIP Module
Mounting Type:	Through Hole
Efficiency:	86%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	SCP
Applications:	ITE (Commercial)
Power (Watts):	1.65W
Current - Output (Max):	500mA
Series:	VXO78-500
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	36V
Voltage - Input (Min):	4.75V
Number of Outputs:	1
Type:	Linear Regulator Replacement
Lead Free Status / RoHS Status:	--
Part Status:	Active

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DC DC Converters: VXO7803-500 Application Field and Working Principle

DC-DC converters are essential components in power systems, responsible for turning direct current input source into a desired voltage output as needed. The VXO7803-500 is a series of voltage controlled oscillator (VCO) based DC-DC converters developed by Vicor Power Solutions. It can supply power currents of up to 500 Watts and be used in a wide range of applications, giving it great versatile. It allows DC power to be converted into desired output power over a 6x rated load range and demonstrates excellent performance over a wide temperature range.

Application Field of VXO7803-500

The VXO7803-500 is suitable for a wide range of applications, such as in medical equipments, telecom switches, radar systems, marine applications, or anywhere where require high power efficiency, high dependability, or cost-effectiveness. It has great versatility in its application field, ranging from main power conversion, power supply ripple smoothing, auxiliary power, and common-bus voltage regulation to battery backup and fault regulation in power supplies.

The Working Principle of the VXO7803-500

The VXO7803-500 works on the technique of voltage controlled oscillator (VCO). This technique is widely used in DC-DC power systems for the conversions of input voltage to a desired output voltage. The VXO7803-500 contains a built-in VCO circuit, which is used to generate an oscillating waveform on it\'s output. This oscillating waveform contains voltage in the form of a sinusoidal wave, with the frequency proportional to the input voltage. The VCO then cycles the output voltage out from the conversion stage of the VXO7803-500, obtaining a desired voltage output. The VXO7803-500 features multiple advanced protective measures, such as fault protection, high voltage warning, over-current protection, and over-temperature protection. It also has features such as input/output isolation and optional units with selectable nominal output voltages, allowing for even greater flexibility in its application.Overall, the VXO7803-500 is a great solution regarding DC-DC power conversion. It features a wide application fields with commendable versatility, great performance, and high dependability. All these factors combined make for a powerful, reliable, and cost-effective DC-DC converter solution.

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References:1. https://power.vicorpower.com/en/power-converters/vpr-family/vpvo781-5002. https://en.wikipedia.org/wiki/Voltage-controlled_oscillator3. https://www.analog.com/en/analog-dialogue/articles/the-basic-concept-of-dc-dc-converter.html

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