AOZ8043DI

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The AOZ8043DI is a breakthrough in EMI/RFI Filters (LC, RC Networks) technology. It is a compact, easily integrated, low-cost, two-line to seven-line EMI/RFI filter with an integrated voltage regulator for use in automotive, industrial, and consumer applications. The AOZ8043DI combines line-level attenuation, overvoltage protection, and the lateral high frequency filter to deliver high performance EMI/RFI noise suppression. This product is ideal for applications where FCC, ICES, or EU VCCI regulations are in effect.

The filter\'s integrated design allows for an effective, cost-effective, two-line to seven-line EMI/RFI filter with minimal board space requirements. It operates from a wide supply voltage range (4 V to 24 V) and provides up to 50 dB of attenuation for differential and common-mode signals. It also features multi-layer protection with up to 70 V of over-voltage protection and low insertion loss. It is offered in an eight-pin MSOP package.

The working principle of the AOZ8043DI is based on a combination of simple EMI/RFI filtering techniques. The signal line is first filtered by a passive filter network consisting of series inductors and capacitors. This allows the EMI/RFI noise on the line to be suppressed before it enters the chip. The second stage of filtering is performed by active components to further reduce the noise. Finally, an integrated voltage regulator ensures that the chip only receives clean power.

The AOZ8043DI can be used in a variety of applications including DC/DC converters, automotive infotainment systems, consumer electronics, robotics, and embedded control systems. It has been widely adopted in automotive infotainment systems due to its cost-effectiveness and performance. The AOZ8043DI is also compliant to the latest CISPR 25 2008 standards, which makes it well suited for use in a variety of applications requiring high noise performance.

The AOZ8043DI is an excellent choice for EMI/RFI noise filtering applications. It provides high performance filtering in a compact form factor with integrated voltage regulation. Its compliance to the latest CISPR 25 2008 standards and its cost-effectiveness make it an ideal solution for automotive infotainment systems and other high-noise applications.

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