KA5H0165RTU

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KA5H0165RTU is a popular and effective power module used in AC/DC converters, offline switchers and other related applications. It has found its place in many areas due to its high performance and reliability.

KA5H0165RTU is a high-frequency single-channel current-mode PWM controller that benefits from its integrated low RDS (on) power MOSFETs. This PWM controller combines the primary-side current-mode sensing, the secondary-side voltage-mode sensing and the digital compensation function, which makes it perfect for offline converter applications.

The working principle of KA5H0165RTU is that the internal OVP circuit senses the output voltage from the voltage-mode divider network. If the output voltage reaches the OVP trip level, the external MOSFET will be turned off for a programmable time to reduce the output voltage.

The current mode of KA5H0165RTU has two functions. Firstly, it monitors the current in the primary switch, which is proportional to the output power. Secondly, it integrates the primary-side current-mode sensing, the secondary-side voltage-mode sensing and the digital compensation, making it very stable under load variation.

In Quick PWM mode, the operating frequency of KA5H0165RTU is up to 300kHz while in Slope Comp mode, it can go even higher. It also has a wide VDD range (3.5-20V) that allows it to be used in a variety of applications. Moreover, the KA5H0165RTU has a very low startup current of 4mA and can operate in the range of -20°C - 85°C, which makes it ideal for offline converter applications.

KA5H0165RTU can be used in a variety of applications such as AC/DC converters, offline switchers, flyback converters, and forward converters. It is able to control the output voltage and meet the requirements of different load levels and temperature ranges. It is also designed with protection against over-temperature, over-voltage, and over-current.

In conclusion, KA5H0165RTU provides a reliable, high-performance, and cost-effective solution for AC/DC converters and offline switchers. It is able to provide the power and efficiency needed for reliable operation and long-term use.

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