INN3168C-H105-TL

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PMIC - AC DC Converters, Offline Switchers

INN3168C-H105-TL is a PFM(Pulse Frequency Modulation) offline switcher dedicated as an AC/DC converter for universal AC input application with a wide input voltage range of 90V to 265V for constant voltage mode, and 85V to 265V for constant current mode. This type of component has several unique features that make it the perfect choice for application engineers.

The first and most notable feature of INN3168C-H105-TL is its "constant on-time control" mode, which allows the output voltage to remain constant while tracking the variations in the input voltage. This feature is ideal for applications that operate in unstable input voltage conditions since the voltage output remains consistent despite changes in the input voltage. In addition, the component also comes with a "max-on-time" function, which limits the maximum time the component is enabled and prevents the output voltage from exceeding a set level regardless of the variations in the input voltage.

INN3168C-H105-TL also has a built-in "Soft-Start" circuit, which gradually ramps up the output voltage when the component is enabled via Pulse-Width modulation (PWM). This feature is especially beneficial for applications that use high wattage loads, as it prevents inrush current from damaging the component or the load it is connected to. Furthermore, the component also features "over current protection" and "over voltage protection" to protect itself and the connected load from damage.

In addition, INN3168C-H105-TL also supports a wide range of operating frequencies, from 35KHz to 190KHz, making it highly flexible for different applications. With these features, it is the perfect choice for applications that require an AC/DC Converter with high performance, reliable operation, and low power consumption, such as LED lighting, TVs, and numerous other electronic products.

The working principle of INN3168C-H105-TL is relatively straightforward. When the component is enabled, it utilizes its built-in PWM control circuit to regulate the input voltage and maintain a constant output voltage. This is accomplished by utilizing the component\'s built-in reference voltage and comparing the input voltage with this reference voltage to calculate and adjust the current output. When the input voltage is higher than the reference voltage, the output voltage is decreased by switching the component off for a proportion of the switching cycle, and when the input voltage is lower than the reference voltage, the output voltage is increased by switching the component on for a longer period of the switching cycle. This process repeats throughout the operation of the component, ensuring that a stable output voltage is maintained at all times.

In conclusion, the INN3168C-H105-TL is one of the most advanced AC/DC converters on the market. It has a wide range of useful features such as constant on-time control, max-on-time function, soft-start, over current protection, and over voltage protection, which make it the perfect choice for numerous applications that require reliable and efficient power conversion. Additionally, its wide operating frequency range makes it highly versatile, allowing it to be used in almost any design.

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