AON7820

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AON7820 is an advanced MOSFET array manufactured by Alpha and Omega Semiconductor (AOS), one of the leading providers of analog and power management integrated circuits. The AON7820 uses a two-transistor, eight-channel array of low-voltage integrated logic-level MOSFETs designed to provide high-efficiency power switching in a wide range of applications. It has an integrated protection circuit to prevent over-temperature or under-voltage damage to the device and can be used in temperatures ranging from -40°C to +150°C.

The AON7820 is a dual N-channel MOSFET array, which means it has two output channels driven from two input signals. The maximum source voltage of the device is 20 V and the maximum drain voltage is 40 V. The maximum drain current is 78 A and the device can deliver up to 3 W of power. The gate-source voltage is 5 V and the threshold voltage is 2 V, which means that the device will not start conducting until the signal on the gate reaches at least 2 V. The device is optimized for switching applications and typically has a resistance of less than 100 milliohms.

The AON7820 is ideal for applications that require efficient power switching over a wide range of temperatures. It is commonly used in LED lighting, home appliances, medical systems, automotive systems and power supplies. The device is available in a variety of packages from 4-pin DFN to 8-pin SOIC packages, and provides two control signals for two independent control channels.

The working principle of the AON7820 is simple. When the gate voltage is greater than the threshold voltage, the device will turn on and allow current to flow from source to drain. When the source voltage is higher than the drain voltage, then the device will turn off, thereby preventing current from flowing. If a high-side switch is needed, then the same device can be used by connecting the ground to the source. The device can also be used in low voltage circuit applications, in which case a driver circuit is usually required to provide the required gate-source voltage.

The AON7820 is an excellent choice for high-efficiency power switching applications in low voltage and temperature conditions. Its integrated protection circuit provides excellent protection against over-temperature and under-voltage conditions and its wide range of available packages makes it suitable for a variety of applications. With its high switching speeds, high-efficiency and low on-resistance, the AON7820 is an ideal choice for today’s demanding high power switching applications.

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