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PMIC - AC DC Converters, Offline Switchers

INN3165C-H101-TL is a single-phase AC-DC switching power supply, which integrates the technology of AC-DC converters and offline switchers. It is widely used in industrial automation and power electronics fields.

Application Field

The INN3165C-H101-TL is ideal for high efficiency and high reliability applications such as industrial automation, distributed power supply, base station power, and server power. Its revolutionary power topology and cutting-edge features such as wide input voltage range, high power density, advanced protections, and compact size make it a perfect choice for modern, power-hungry industrial systems.

Working Principle

The INN3165C-H101-TL is designed according to the PFM and STM (self-initiated switch) topology. It uses a PWM controller to control the output voltage. The input voltage is rectified into a rectified DC voltage and then connected to a transformer. The transformer steps up the voltage and the secondary winding is rectified and smoothed by a filter capacitor to form an intermediate DC voltage. This intermediate DC voltage is sampled by the PWM controller and compared with the control voltage feedback, and the duty ratio of the PWM is adjusted to keep the output voltage stable.

When the load changes, the PWM controller adjusts the duty cycle to keep the output voltage stable and the power supply in constant power mode. The current sensing of the INN3165C-H101-TL is completed through a current-compensating winding on the transformer primary side. The PFM/STM topology helps to reduce the power loss, improve the conversion efficiency and reduce the ripple.

Conclusion

In summary, the INN3165C-H101-TL is a single-phase AC-DC switching power supply based on the PFM and STM topology and it is widely used in industrial automation and power electronics fields. Its wide input voltage range, high power density, advanced protections, and compact size make it a great choice for high efficiency and high reliability applications.

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