IV1209SA

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DC-DC converters enable the conversion or transformation of a direct current (DC) input voltage to a different DC output voltage. The IV1209SA DC-DC converter is specifically designed to provide regulated DC output voltages from isolated and regulated DC power sources. It can be used for applications requiring multiple outputs of independent DC output voltages. It also provides protection against harmful over-current and over-voltage conditions.

IV1209SA Application Field and Working Principle

The IV1209SA DC-DC converter can be used for a variety of applications including: airborne or avionic systems, railway applications, automotive electronics, industrial control, communication systems, medical instrumentation, power supplies, and uninterruptible power systems (UPS). Its high efficiency and low profile makes it suitable for almost all applications.

The basic working principle of the IV1209SA consists of a flyback converter topology. This topology enables the transfer of energy between an input DC source and an output DC load by using a transformerflyback cycle. The regulated output of the converter is generated by controlling the on-time of the switch of the base circuit. This is accomplished by using an auxiliary feedback network to provide a current reference signal that is proportional to the input voltage and serves as a proportional control element.

The IV1209SA relies on peak current control to provide output voltage regulation, which increases efficiency, reduces size and cost. The output voltage can be adjusted by using the voltage adjust pin of the converter. The onboard MOSFET switch will adjust its conduction period to provide the regulated output voltage.

The IV1209SA also includes several safety features, such as: over temperature protection, overload protection, short circuit protection, and over-current protection. It also includes comprehensive monitoring and diagnostics features, such as: voltage monitoring, current monitoring, and over-temperature alarm, to ensure safe operation.

The IV1209SA is a high voltage, high efficiency, and low profile DC-DC converter that can be used in various applications. It can provide regulated DC output voltages from isolated and regulated DC power sources, and offers protection against harmful over-current and over-voltage conditions. It has several safety features built-in, and comprehensive monitoring and diagnostics features, making it an ideal choice for nearly all DC-DC conversion needs.

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