ISE0509A-H Power Supplies - Board Mount

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DC to DC Converters are electronic devices used to convert a fixed DC voltage source into another DC voltage source. ISE0509A-H is a type of DC to DC converter which is developed by InterSil, and it offers high performance with enhanced features and functionalities. It is designed for a wide array of industrial, automotive, telecommunication and consumer application areas.

ISE0509A-H uses Boost or SEPIC (Single Ended Primary Inductor Converter) topology to convert input power from 5V to 21V within a current rating of 9A. It has an internal or external synchronization and it can operate with very low noise and ripple. This feature makes it ideal for precision analog applications. It has a high efficiency level, up to 93%, and fast load transient response, less than 25µs. It also has a fast start-up or soft start-up control option with programmable current limit and external enable pin activation.

The ISE0509A-H DC to DC converter has many features, such as multiple levels of protection that include over temperature, short circuit, over current and over voltage. It also has low voltage start-up capability and 16-pin TDFN package for reliable applications.

The ISE0509A-H DC to DC converter has an MOSFET based switch to ensure efficient power supply with minimal power loss. The low ESR ceramic output capacitors provide fast and stable voltage regulation. It has a wide input voltage range (9V to 43V) and wide temperature range (-40°C to15°C). These features make it suitable for a wide range of applications such widely spread rail/load requirements.

The working principle of ISE0509A-H is relatively simple. The input voltage is fed into the Boost/SEPIC configuration of the device where the inductor uses the primary side switch to store the energy and increase the input voltage up to the required output voltage (5V to 21V DC). The secondary side of the inductor then drives the power MOSFET with the desired output voltage and reduce the output voltage. This scheme decreases the output ripple and voltage conversion is successfully achieved.

ISE0509A-H is widely used in applications such as industrial, military / aerospace, automotive, telecommunication, audio / video, medical and communication. In automotive, it can be used for ignition, headlight and airbag control subsystems. In telecommunication, it is used for power load transients, short-term load drops and over-voltage protection in LAN and WAN applications. It is also popular in audio/video applications where it is used for powering LCD/LED screens and audio amplifiers. In medical applications, it is used in anesthesia, X-Ray, CT scanners and MRI machines.

In conclusion, ISE0509A-H is a highly efficient DC to DC converter that offers a wide range of features and functionalities. It is suitable for a wide range of applications, from automotive and telecommunication to medical and industrial. It is a highly reliable device that offers high performance with low noise and ripple level.

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