TC1303B-VS0EMF

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The TC1303B-VS0EMF is a linear and a switch-mode power-line supply controller designed to provide the ultimate solution for a wide range of applications. The device is ideal for providing a constant voltage and current supply to sensitive components, reducing the need for additional external components. It is also an excellent choice for top shelf solutions including electric vehicle charging, solar panel systems, battery charging and other critical applications.

The TC1303B-VS0EMF effectively shields sensitive devices from line-conducted interference and voltage transients, thereby providing consistent regulation of the input supply voltage. The device also provides fast transient response, improved temperature stability and a low power loss for optimum power efficiency. Aside from its line-power optimisation features, the TC1303B-VS0EMF includes a power-saving mode which further enhances its power efficiency.

The TC1303B-VS0EMF is designed with a wide input voltage range of up to 132V, making it suitable for universal AC as well as DC applications. It operates on a fixed frequency Synchronous Buck architecture with current sharing support, providing excellent accuracy and system performance. It also features adjustable line-to-load transition points, enabling system designers to optimise the control loop for different applications.

The TC1303B-VS0EMF employs safeguards such as line under/over voltage protection, power-down sleep mode and thermal shutdown protection, improving system reliability. An auto-restart feature further helps to ensure system safety.

The TC1303B-VS0EMF’s linear and switch-mode power-line supply controller allows the device to be used in a variety of applications. Ultra-low voltage input systems such as battery-powered systems, low-voltage power applications and other applications that require low power consumption can benefit from the device’s high efficiency. Its high accuracy and fast transient response also makes it suitable for light load applications such as motor control, automotive lighting and embedded systems.

The working principle of the TC1303B-VS0EMF is based on its design of linear and switch-mode controller architecture. It has an input voltage which is regulated by the controller resulting in an output voltage that is equal to the input voltage. This regulating process is provided by a fast-acting voltage loop with feedback from the output, allowing the device to provide stable output voltages with high accuracy, as required by demanding applications.

The device contains two different buck gate drivers. The first one is allowing buck-mode operation for the whole input voltage range, while the second one is designed to operate at higher efficiencies than the first one. During start-up, the second driver is used to provide a low resistance path, while the first driver is used to provide an accurate output voltage. The device can also enter a power-saving mode when the power load condition is below the defined threshold.

The TC1303B-VS0EMF is a reliable and efficient choice for a variety of applications, thanks to its linear and switch-mode power-line supply controller design. It offers a wide input voltage range, high accuracy, low power loss and improved temperature stability. Its line-under/over voltage protection, thermal shutdown protection and other important safeguards all make it an excellent choice for the most critical power-line systems.

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