INN3268C-H207-TL

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INN3268C-H207-TL is a highly integrated AC/DC Primary Switch-Mode Power Supply (SMPS) controller designed for applications requiring significant high power. It is a PMIC product specially designed for offline switchers and AC/DC converters. This device combines control and power functions in a single package and thus offers many advantages like high efficiency, low standby power consumption, and high reliability. The INN3268C-H207-TL supports a wide input voltage range, from 80VAC to 230VAC, and provides an excellent efficiency, greater than 90%, at full load for an input voltage of 115VAC. This device also provides an integrated dual-phase synchronous rectification controller, allowing it to achieve an efficiency up to 94%. Besides, it also has an Extremely Low Start-Up Current (ELSU) feature, which helps to reduce start-up current from typically 70mA to less than 7mA.

INN3268C-H207-TL\'s main working principle is a primary-side controller based on Power Factor Correction (PFC) and Zero Voltage Switching (ZVS) technology. This device uses a fast on-time switching cycle where two MOSFETs are used to deliver power to the transformer, while the PFC circuit generates the necessary bias to the secondary side power stages. During the switching, the MOSFETs will reach their fully on state with zero voltage, thus reducing the switching losses. In addition, the ZVS technique also increases the efficiency of the power supply by reducing the overall switching losses. The PFC circuit is responsible for the power factor correction of the input voltage, while the input voltage is also rectified into DC voltage.

Besides, the INN3268C-H207-TL contains a number of other features such as programmable soft-start, short-circuit protection, and thermal shutdown. It also contains a POR (Power On Reset) signal for a safe start-up. The device supports multiple output voltages and a wide output range of 5V to 48V. In addition, it has an adjustable switching frequency from 20KHz to 500KHz, allowing designers to optimize their designs for space and efficiency.

INN3268C-H207-TL was specifically designed to meet the stringent demands of demanding applications such as server and telecom power supplies, home appliances, and industrial equipment. This PMIC is easy to use and supports an adjustable, configurable, and programmable operation. It supports a variety of features, such as programmable circuit parameters, safety and protection features, and line regulation, allowing designers to tailor their designs according to specific requirements.

All in all, INN3268C-H207-TL is a highly integrated AC/DC primary switch-mode power supply controller specifically designed for offline switchers and AC/DC converters. It is a PMIC product with many advantages, such as high efficiency, low standby power consumption, and high reliability. The device contains a variety of programmable circuit parameters and safety features, allowing designers to custom tailor their designs according to specific requirements. The device also provides an integrated dual-phase synchronous rectification controller and a wide output range, making it an ideal choice for many applications.

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