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PMIC - Voltage Regulators - Linear

The ISL9011IRPPZ-T is a high-performance linear voltage regulator that offers excellent power efficiency and is specifically designed for microprocessor core voltage regulation in notebook computing applications. It integrates a low-noise GHz PWM core, a low-noise voltage/current regulation loop, as well as temperature limiter and over-current protection into a single 5-pin package. The ISL9011IRPPZ-T offers fast transient response, low on-resistance, and is suitable for applications requiring high stability and accuracy.

Applications

The ISL9011IRPPZ-T has a wide range of applications, including microprocessor voltage regulation in notebooks, servers, and other portable devices. It is also compatible with multiple voltage rails and offers several other features such as on-chip power sequencing and over-voltage protection. Overall, the device is well suited for applications where low noise and high power efficiency are critical factors.

Working Principle

At the heart of the ISL9011IRPPZ-T is a low-noise GHz PWM (pulse width modulation) core. This core controls an internal low-dropout voltage/current regulation loop. This loop enables the device to accurately adjust the output current to maintain the desired output voltage. Because of its low on-resistance, the ISL9011IRPPZ-T can quickly and accurately regulate the output voltage. The device also offers several other features to ensure the voltage is properly regulated. This includes a temperature limiter, over-current protection, and on-chip power sequencing.

The ISL9011IRPPZ-T is a high-performance voltage regulator that offers excellent power efficiency and is ideal for microprocessor core voltage regulation in portable applications. It integrates a low-noise GHz PWM core, low-noise voltage/current regulation loop, temperature limiter, and on-chip power sequencing. The device offers fast transient response, low on-resistance, and is suitable for applications requiring high stability and accuracy.

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