VE-240-EW Power Supplies - Board Mount

Current - Output (Max):	20A
Size / Dimension:	4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
Package / Case:	Full Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-10°C ~ 85°C
Features:	OCP, OTP, OVP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	VE-200™
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	100V
Voltage - Input (Min):	55V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters

DC to DC converters are popularly used power electronic devices for transforming either galvanic isolation or a different DC voltage level, either directly or dynamically via a power switching regulation circuit. It is also used in applications such as telecommunications, industrial, information and medical. Well-known devices are flyback converters, forward converters, and push-pull converters. Renesas Electronics Corporation has developed a power management IC – VE-240-EW, which is an highly efficient buck DC to DC converter whose application range is wide and also comes with a variety of protections that guarantee its secure operation, making it ideal for a variety of applications.VE-240-EW works as a high-efficiency, step-down DC to DC converter for portable applications, in which the input to output supply runs at a voltage ratio of up to 4:1. It uses a fixed frequency PWM modulator with variable duty cycle to deliver the desired output voltage from a wide variety of input voltages. It is composed of two integrated circuits, REG17xx for the buck regulator and S19xx for the step-down regulator. The REG17xx allow for a multiple and cascaded regulation of input voltage and the S19xx functions as a single stage step-down regulator.The VE-240-EW has different modes of operation to adjust the PWM duty cycle to control the output voltage. In pulse-width modulation mode, the voltage is controlled by the pulse width of the PWM signal which determines the ratio of “on-time” to “off-time”. In pulse-frequency modulation mode, the switching frequency is varied in order to produce a desired output voltage. The VE-240-EW also features automatic voltage detection to accommodate different input sources.The VE-240-EW can be used in a wide range of applications, such as laptop adapters, notebooks, netbooks, cell phones, digital cameras, LCD TVs, and other applications where high efficiency and low heat dissipation are essential. Furthermore, the IC offers a number of safety features such as over-current protection, over-voltage protection, over-temperature protection, and under-voltage lockout to enhance the system\'s reliability.The VE-240-EW DC to DC converter is a very reliable and efficient device, ideal for today’s portable electronics applications. Its wide input voltage range and various protection features ensure safe and secure operation, making it an excellent choice for energy management. With its enhanced features and reliable outputs, the efficiency and cost of the system can be improved significantly. This device is definitely a step forward in power management technologies, and could be a major player in powering the future.

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