ISL9000AIRGPZ-T

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The ISL9000AIRGPZ-T is a current-mode, pulse width modulated (PWM) synchronous buck regulator with constant frequency operation of 200kHz. It is designed to regulate output voltages as low as 0.6V, up to 5.5V, with as few as two external components while providing 9A of regulated output current. This regulator is optimized for high efficiency and easily steps down a 4.5V to 5.5V main input voltage to the required output voltage with minimal power dissipation. It features an internal power MOSFET, internal compensation, an adjustable soft-start, an adjustable current limit, pre-biased start-up, power-good output flag and a wide operating temperature range of -40°C to +85°C.

The ISL9000AIRGPZ-T is a part of Intersil\'s family of low output voltage synchronous buck regulators. The ISL9000AIRGPZ-T low output voltage PWM buck regulator is designed to provide 9A of output current while delivering well-regulated output voltage. It features an adjustable soft-start, an adjustable current limit and pre-biased start-up. It also features an internal power MOSFET, internal compensation and a wide operating temperature range.

The ISL9000AIRGPZ-T is used for power supply applications involving point of load (POL) and board mounted (BOM) systems. It is well suited for computing, consumer electronics and telecommunications applications. It can be used to create isolated power systems from a high voltage input supply, to provide power for a single IC or to provide power for multiple ICs. The ISL9000AIRGPZ-T is also used for a variety of automotive applications in which maximum output performance is desired.

ISL9000AIRGPZ-T is a buck regulator that uses an inductor to step down the regulator’s input voltage and a MOSFET to switch the load current on and off. The current-mode control of the ISL9000AIRGPZ-T minimizes the size of the inductor and keeps the output voltage constant regardless of load changes. The ISL9000AIRGPZ-T utilizes a proprietary current-mode loop architecture to ensure excellent load and line regulation as well as transient response. The hysteretic current-mode loop operates with a 200kHz constant frequency and features selectable response characteristics to provide various performance profiles.

The ISL9000AIRGPZ-T also includes several safety features, such as pre-biased startup, under-voltage lockout, over-voltage protection, thermal shutdown and adjustable current limit. An internal peaking control loop is also implemented for improved stability. In addition, a power good output is also included for monitoring purposes.

The ISL9000AIRGPZ-T is a high-efficiency, high-performance current-mode PWM buck regulator that is well suited for power supply applications where minimum power dissipation and excellent output voltage regulation are required. Its low output voltage capability, low-side current sensing, programmable loop bandwidth, pre-biased start-up, adjustable current limit and pre-biased start-up make it an ideal choice for applications in which high efficiency, fast transient response and high reliability are required.

In summary, ISL9000AIRGPZ-T is a versatile, high-efficiency, pulse width modulation (PWM) synchronous buck regulator that operates at a constant frequency of 200kHz. It is optimized for high efficiency and easily steps down a 4.5V to 5.5V main input voltage to the required output voltage with minimal power dissipation. It features an adjustable soft-start, an adjustable current limit, pre-biased start-up, power-good output flag and a wide operating temperature range of -40 to +85 °C. It is well suited for computing, consumer electronics and telecommunications applications, as well as for a variety of automotive applications.

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