AOZ1024DI

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AOZ1024DI is an advanced high frequency synchronous DC-DC buck regulator, providing an efficient solution for applications within the telecom, automotive and industrial power supply sectors. It is capable of working with extremely high input voltages (up to 36V) and can provide up to 1A of output current with excellent load/line regulation.

The AOZ1024DI includes a high efficiency, current-mode control circuit for both buck and boost, inverting, and forward operation. This IC provides an adjustable switching frequency, over-current protection, temperature protection, and programmable under-voltage protection as well as an internal oscillator and operation amplifier. Its small 10-Pin QFN package makes it an excellent choice for applications with limited board space.

The AOZ1024DI utilizes primary-side synchronous MOSFETs which allow for a simple, robust, cost effective power solution. This is accomplished by the primary-side control circuit that can sense the load using the output voltage set by the internal resistor divider network, making it possible to eliminate the need for opto-couplers and secondary-side control circuits. In addition, the wide input voltage range eliminates the need for external power switches, providing a more efficient and cost-effective solution.

The AOZ1024DI operates with a high 320KHz switching frequency, allowing for a very small inductor and capacitor, thus minimizing component size and cost. Additionally, this IC has a programmable soft-start to provide an adjustable start-up time, and its high efficiency and low output ripple enables greater system flexibility and lower component count.

At high input voltage, the AOZ1024DI can be configured in a discontinuous conduction mode operation which reduces switching losses, allowing for higher efficiency over a wider range of load current. The IC also features programmable fault handling which allows the user to customize the fault responses according to the particular application.

By utilizing primary-side control digital thermometers, the AOZ1024DI can provide accurate temperature protection and feedback, enabling more precise control and fewer system components. The IC further allows the user to control the over-voltage protection and selectable phase-shift operation for better secondary-side EMI compliance.

The AOZ1024DI is an ideal choice for applications requiring high input voltages, excellent load/line regulation, and high efficiency with a small form factor. Its intelligent integrated features, such as temperature and over-voltage protection, ensure reliable, high performance operation. This IC is a great choice for automotive, telecom and other medium to high-end applications.

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