MEJ1S1209SC

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The MEJ1S1209SC from Intersil is a high-performance DC-DC converter designed for use in mobile, automotive, and industrial applications. The device can provide a wide range of up to 15A output power and operates from a single 6V to 18V input voltage source. This makes it ideal for applications such as mobile phones, tablets, and other portable electronics that require an extended battery life.

The MEJ1S1209SC utilises a low-loss design approach to retaining high efficiency over a wide temperature range as well as wide input voltage range. The MEJ1S1209SC is a switching regulator with pulsed width modulation (PWM) control, allowing it to provide a variable output voltage. The output voltage is adjusted by an internal reference voltage and the on/off times of the output transistors. The MEJ1S1209SC uses an internal voltage divider to regulate the output voltage and the feedback loop to adjust the PWM on/off times.

The MEJ1S1209SC can operate in a variety of different modes. In pulse skip modulation (PSM) mode, which is optimized for light load efficiency, the output voltage will remain switched off until the current draw exceeds a predetermined value, known as the skip threshold. In discontinuous conduction mode (DCM), the output voltage is switched on and off in equal duty cycles based on the current draw. This mode is used to maintain the stability of the output voltage.The MEJ1S1209SC also features current limit protection, as well as over-temperature and over-voltage protection. This makes the MEJ1S1209SC perfect for harsh environments and applications where reliability is critical.

The MEJ1S1209SC is perfect for applications such as automotive, mobile devices, and industrial applications that require a reliable, high-performance DC-DC converter. Its wide range of up to 15A output power and a single 6V to 18V input voltage source make it perfect for portable electronics that require extended battery life. Its internal voltage divider and feedback loop ensure that the output voltage is accurately regulated. Additionally, the MEJ1S1209SC features current limit protection, as well as over-temperature and over-voltage protection. This makes the MEJ1S1209SC a great choice for applications where reliability and performance are paramount.

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