ISL9120IIAZ-TR5696

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The ISL9120IIAZ-TR5696 is a step down DC DC switching regulator. It is a high efficiency, synchronous step-down power converter that consumes very low operating current and is designed to yield an output voltage range up to 24V. It contains a power MOSFET and operates on an input voltage range between 0.8 and 36V. The ISL9120IIAZ-TR5696 also features an overcurrent protection that allows the device to operate in constant current mode.

The integrated power stage of the ISL9120IIAZ-TR5696 provides configurable output current and voltage levels to help meet the specific requirements of end applications. Its flexible design allows for PWM dimming of LED strings or for the evolution of digitized AC/DC LED lighting systems. It contains two high-side sense FETs with up to 28V breakdown voltage, and enables easy driving of 12V or 24V LED strings in a linear-mode configuration.

The ISL9120IIAZ-TR5696 supports a wide range of operating conditions, from 2.5V to 24V input voltage, with an efficiency of up to 98%. It has a total switching frequency range of 200kHz to 500kHz, and has a temperature operating range of –40°C to +85°C. The operating junction temperature range is –20°C to +125°C. In addition, the ISL9120IIAZ-TR5696 features a switching duty cycle control range of 0% to 100%.

In terms of applications, the ISL9120IIAZ-TR5696 offers one of the most versatile power solutions for many power management applications. It is designed for automotive and industrial applications such as lighting, variable speed motor control and automatic metering systems. In industrial automation, it is used in data centers, LED drivers, and robotics. With its compact dimensions and wide input voltage range, the ISL9120IIAZ-TR5696 can be used in distributed power supply applications, such as computers and telecom systems.

The working principle of the ISL9120IIAZ-TR5696 is based on the pulse width modulation, or PWM, technique. PWM is a type of modulation that encodes a digital signal into a rectangular waveform, whose amplitude and width are proportional to the digital signal\'s amount of information. When the PWM input source is low, the series of PWM pulses will be in the high-portions of the cycle, reducing the output voltage. Conversely, when the PWM input source is high in the cycle, the series of PWM pulses ramps the output voltage up.

The ISL9120IIAZ-TR5696 is designed to yield a very low output ripple and noise, while still offering a fast transient response. It is easy to configure, making it an ideal solution for a variety of power management applications. The ISL9120IIAZ-TR5696’s low input and output voltages, high efficiency, and low operating current make it a perfect choice for applications such as automotive, industrial and consumer electronics.

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