AOZ1022DI

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AOZ1022DI is a DC-DC power supply converter with a high efficiency and low noise operation. It is designed for applications such as smart phone or tablet battery charging, point of load (PoL) power regulation, set-top box and monitor applications. This regulator features an integrated high-side PFET driver and adjustable synchronous MOSFET controller, which allows very fast loop response times. It has excellent transient response, low EMI signature and a wide input voltage range.

The AOZ1022DI operates at a high frequency of up to 1MHz, providing high efficiency and reduced component size. It is a current-mode buck-boost converter, which allows a wide input voltage range from as low as 4V to as high as 40V. Its output current can be up to 10A, and output voltage can range from 0.9V to 38V. With excellent dynamic performance, it is suited for a variety of high power and low noise applications.

The AOZ1022DI can be operated in various modes. It can operate in forced PWM mode or in burst mode, with current-mode control, voltage-mode control and hysteretic control. In forced PWM mode, the AOZ1022DI provides fast transient response and offers stabile operation, good efficiency and low noise. In burst mode, the device has low power consumption and low EMI signature due to the switching frequency reduction during operation. This allows the AOZ1022DI to be used in applications that require high power and low noise.

The AOZ1022DI offers extensive sensing capabilities for its various applications such as battery charging. It can sense voltage, current and temperature, and can provide protection against over-voltage, under-voltage, over-current and over-temperature. To reduce noise and interfere, it features a Spread Spectrum Clocking System which spreads the switching frequency up to ±2%. Additionally, it offers excellent diagnostics, by including one general-purpose output pin with status flags, which can tell the user the status of the regulator.

In summary, the AOZ1022DI is an advanced DC-DC power supply converter suitable for a wide range of applications, such as smart phones, tablets, point of load regulation and set-top boxes. It is capable of providing adjustable output voltage and current with excellent transient response and very fast loop control times. It offers various protection options, low EMI signature and wide input voltage range, making it highly suitable for any application that demands high power, low noise and fast dynamic performance.

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