Voltage - Output 4:	--
Approvals:	cCSAus, CE, NEMKO
Size / Dimension:	6.77" L x 4.37" W x 2.36" H (172.0mm x 111.00mm x 60.00mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 71°C
Efficiency:	82%
Applications:	ITE (Commercial), Railway
Voltage - Isolation:	2.8kV
Power (Watts):	96W
Current - Output (Max):	2A, 2A
Series:	Melcher S
Voltage - Output 3:	--
Voltage - Output 2:	24V
Voltage - Output 1:	24V
Number of Outputs:	2
Voltage - Input (Max):	70V
Voltage - Input (Min):	14V
Type:	Enclosed, Conformal Coated
Part Status:	Active

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DC DC Converters

DC/DC converters have become an integral part of any modern electronics system, providing a wide variety of functions in an efficient and cost effective way. They are used for voltage regulation, current limiting, level shifting, polarity inversion, and many other tasks. The purpose of this article is to review the application field and working principle of one type of DC/DC converter, the BS2660-9RG.The BS2660-9RG is a non-isolated buck converter, suitable for applications in which the input voltage is higher than the output voltage. The device features a maximum output current of 4A, an input voltage range of 4–24V, and a fixed switching frequency of 320kHz.In terms of applications, the BS2660-9RG can be used in a variety of systems. For example, it can be used to provide regulated power to a load in an automotive, industrial, or consumer electronics system. In addition, it is suitable for battery-powered applications, such as mobile phones and laptops, as it is designed to draw a minimum quiescent current when no load is present.The working principle of the BS2660-9RG is based on the principle of pulse width modulation (PWM). The device includes an integrated power switch which is turned on and off at precise intervals. This creates a series of pulses, with the duty cycle set to a specific value to achieve the desired output voltage.The BS2660-9RG features an integrated voltage regulation circuit, which senses the output voltage and adjusts the switch duty cycle accordingly. This ensures that the output voltage remains stable, even if the input voltage or load conditions vary.In addition, the BS2660-9RG has several built-in protection features. These include over-current protection, over-temperature protection, and UVLO (Under Voltage Lockout). The over-current protection circuit shuts off the power switch when the output current reaches the specified maximum value, thus preventing damage to the device. The over-temperature protection is designed to protect the device from thermal damage due to excessive temperatures. And the UVLO shuts off the switch if the input voltage drops below a specified threshold, thus preventing malfunction.Overall, the BS2660-9RG is a highly reliable and efficient DC/DC converter which is suitable for a variety of applications. It is easy to use and features a number of built-in protection features which help ensure safe and reliable operation.

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