ISL9111AEH30Z-T

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The ISL9111AEH30Z-T is a fully integrated, ultra-low quiescent current DC/DC switching voltage regulator with an output current of 1A. The device includes an internal 40V N-channel MOSFET with 0.1A RDS and an optimized control loop response for improved transient performance. They also feature a wide input voltage range of 2.2V to 5.5V, an adjustable output voltage and current limit, low shutdown current of 2uA, and low dropout voltage.

The ISL9111AEH30Z-T is a switching regulator and operates by converting an input voltage to a predetermined output voltage and then delivering that voltage to the load. This is done by switching on and off the internal switch (ie. MOSFET) at a certain frequency. When the switch is on, the inductor will "store" energy from the input voltage and when the switch is off, the stored energy will be used to provide output voltage. As the cycle repeats, the output voltage is regulated.

The DC/DC switching regulator is ideal for automotive, consumer electronics and industrial applications where low quiescent current and high efficiency is needed. The device is capable of providing high output current up to 1A, while operating at very low quiescent current at <10uA. It is also designed for board-level thermal protection, along with an adjustable output voltage and slew-rate settings for optimized system performance. This device is also design for high efficiency at input voltages of 2.5V or higher and output voltages of 0.8V or higher. This makes it perfect for battery powered applications.

The ISL9111AEH30Z-T is also designed to require minimal external components while maintaining high performance. It includes a single N-channel MOSFET, which can be switched on/off at high frequency and allow for good efficiency, along with a single inductor and two small ceramic capacitors to complete the power supply circuit. It also has an adjustable output current limit and overvoltage protection that helps prevent overloading of the device. This device can also be used in solutions with multiple outputs, allowing it to provide the power to different components while keeping the overall solution smaller.

Overall, the ISL9111AEH30Z-T is a high performing and low quiescent current DC/DC switch regulator designed for automotive, consumer electronics, and industrial applications. It is capable of converting a wide input voltage range to a regulated output voltage with high efficiency and low dropout voltage, allowing it to provide the best performance possible in a small form factor solution. It also requires minimal external components and features board-level thermal protection and adjustable slew-rate settings for improved system performance. With its high performance, the ISL9111AEH30Z-T is an ideal choice for a variety of applications.

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