IHA0124D09 Power Supplies - Board Mount

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DC-DC converters are used to increase or decrease the voltage in a circuit, while still supplying the required power to the components. The IHA0124D09 is an isolated flyback DC-DC converter from Infineon Technologies specifically designed to enable high efficiency, low component count, and low output ripple. It is packaged in a 4-pin DIP, making it suitable for a wide range of applications.

The IHA0124D09 is based on Infineon\'s patented primary-side control, which eliminates the need for an opto-coupler or secondary control loop. This makes it an ideal solution for applications that require a compact solution and minimal component count. Step-down and step-up versions are available for these applications.

It is optimized for isolated DC-DC converters with a primary switch and a secondary rectifier, such as boost, flyback and forward converter topologies. The power system features analog and digital input protection, as well as short-circuit protection.

The IHA0124D09 is designed with a wide input voltage range of 12 to 70 V, and offers product solutions for up to 36 V. It has a maximum output current of 1.2 A and a switching frequency of up to 720 part per second. The device also features integrated soft start, under-voltage lockout, current limit protection with fold-back, and external disable control.

The working principles of the IHA0124D09 are based on the isolated flyback converter. It works by controlling the primary switch with anoptical isolated signal. This in turn regulates the primary power flow by using pulse-width modulation to generate a rectangular waveform from the output. The waveform is then converted into a dc voltage by the secondary bridge. This detected voltage is monitored by the control IC, which can then adjust the output voltage to the required level.

The IHA0124D09 is designed with high efficiency in mind and is therefore suited for applications in power, consumer, medical, audio, telecommunications, automotive, and industrial segments. It is also very well suited for LED lighting applications, as well as for white goods such as refrigerators and washing machines, and scientific, measurement, and laboratory equipment.

The IHA0124D09 is a cost efficient, low component count DC-DC converter that offers many features for advanced solutions. It is designed to provide efficient and reliable operation in a wide range of applications, in order to facilitate the development process and reduce design time.

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