ISL6406IVZ

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The ISL6406IVZ is a complete synchronous buck controller designed for high power applications requiring high efficiency, excellent line and load regulation, low EMI noise, low output ripple, and excellent thermal characteristics. It is a PIN configured, non-isolated high-frequency switching regulator specifically designed for use in modern high-current, high-voltage systems for Distributed Power Management (PDM). This device integrates all the necessary protection functions such as under/overvoltage, thermal protection, soft start, current limiting, and short circuit protection. The ISL6406IVZ has a wide input voltage range of 5 V to 16 V, output voltage up to 2 V, and peak output current up to 12 A. This device also features a high efficiency hysteresis control which ensures accurate voltage regulation and reduced switching noise. It allows the system to remain in Burst Mode operation longer, resulting in better efficiency.

The ISL6406IVZ is a single-phase buck switching regulator that provides power conversion from higher source voltage to a lower regulated output voltage. Its core function is to control the on-time of the switch such that the output to power conversion is kept as efficient as possible. This is done by tracking input and output voltage with an internal voltage reference. The switching frequency of the ISL6406IVZ is typically set between 300 KHz and 500 KHz through an external resistor. The output voltage is then regulated and regulated by the output voltage feedback loop which is programed by the external resistors.

The ISL6406IVZ provides two function pins (FB and RT) which can be used for several purposes. The FB pin is used for monitoring the output voltage. The RT pin is used for enabling or disabling the chip, setting the switching frequency, providing fast response to load transients, and controlling switching frequency during PGOOD transitions. These pins are programmed by setting the external resistor values.

The ISL6406IVZ is an ideal solution for distributed power management applications. It can be used to regulate a single-output voltage with current-mode control, and provide a single-output voltage regulation with fast dynamic response, wide input voltage range, low component count, and low external component count. It is also designed with high speed current sensing, allowing for fast and accurate output current regulation. It is suitable for applications such as DIN rail power supplies, LED lighting, automotive power supplies, industrial systems, servers, and servers.

The ISL6406IVZ can remain in burst mode longer resulting in higher efficiency. It also supports constant frequency, spread spectrum frequency, and frequency modulation. The device also offers better soft-start and over voltage protection to reduce overshoot during start-up. It also features a low ripple and noise design which ensures clean and efficient power. Its integrated hysteresis control and integrated temperature feedback ensures excellent thermal performance and high efficiency even in high output-current applications.

In conclusion, the ISL6406IVZ is a versatile high performance switching controller specifically designed for distributed power management applications. It offers high efficiency, excellent line and load regulation, low EMI noise, low output ripple, and integrated protection functions for high-power applications. It also supports a wide input voltage range and can provide output regulation with fast dynamic data. Furthermore, its integrated hysteresis control and temperature feedback offers superior thermal performance and high efficiency in high output current applications.

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