TNY267G

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TNY267G is an advanced offline switchers integrated circuit (IC) from Power Integrations Inc. This IC switches from AC-DC conversion to DC-DC conversion, providing a highly efficient and versatile power converter for driving power supplies for many different applications. This IC integrates high-speed MOSFETs, high-voltage drivers, sophisticated control circuitry, and various power protection techniques into a single package.

TNY267G has several advantages over traditional converters. For example, its power stages rely on the pulse width modulation (PWM) mode of switching, which improves efficiency, reduces device stress, and reduces noise and EMI. The integrated components are designed to work in harmony to greatly reduce bill of materials (BOM) cost and space requirements. The integrated protection features also ensure the IC remains stable in the event of failure or dynamic changes in load current.

The TNY267G has several operational modes. First, it operates in the AC-DC bridge rectifier mode, which uses a bridge rectifier with capacitive filters to convert AC mains voltage into a DC bus voltage. This mode of operation converts energy with efficiencies greater than 80%. Second, it operates in the DC-DC buck converter mode, which uses inductors and capacitors in combination with transistors for efficient voltage regulation.

The TNY267G IC utilizes advanced control and protection algorithms for maximum user safety. The device uses cycle-by-cycle current limiting, input overvoltage protection, output overvoltage protection, over-temperature protection, under-voltage lockout, and soft-start features, to protect the load and IC from any unexpected conditions. Additionally, the device utilizes fast-response input current sensing combined with proportional gain tuning to improve overall efficiency and dynamic response.

The TNY267G is a state-of-the-art IC for switching power supplies that is suitable for a variety of applications. It offers high efficiency, low system costs, reliable operation, and robust protection for home appliances, business equipment, IT equipment, and other applications.

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