INN3265C-H201-TL

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INN3265C-H201-TL application field and working principle

The INN3265C-H201-TL is a High Frequency Offline Switcher with integrated Cold Protection (CP) and High Voltage Power Factor Correction (PFC) from Innotec\'s INN series. This device is designed to provide a highly integrated, robust and efficient solution for offline switcher products.

The INN3265C-H201-TL has a wide range of applications and works according to the flyback topology. Its use of high frequency synchronous rectification allows for low power loss, high efficiency, and reduced production costs. It can also be used as a lighting source, power adapter, and as an industrial/commercial power supply.

This device can achieve maximum power efficiency of up to 94%, higher power safety margins, wide input voltage range and relatively low EMI. Furthermore, its small size allows it to fit into limited spaces.

The INN3265C-H201-TL is composed of a topology controller, MOSFETs, capacitors, a transformer, a surge protection circuit and a high voltage power factor correction circuit. The topology controller includes a voltage feedback loop and provides protection functions against short-circuits, over temperature, and over current.

The capacitor charging circuit can provide over current protection by current limited and soft start. The surge protection circuit works to prolong the lifespan of the LED driver by reducing the inrush current. This helps improve the reliability of the system.

The primary side is the input voltage of ac or dc, the secondary side is the rectified voltage output. A synchronous rectifier works to reduce the output power consumption and EMI, allowing for a more efficient and lower noise product.

The integrated cold protection and PFC circuit enable the device to work at a high frequency and improve its overall performance. Cold protection maintains the system’s proper operation below a certain temperature range. The PFC circuit also helps enhance the overall performance of the switching circuit and efficiency by mitigating the harmonic content by means of a simple controller and reducing the EMI.

The INN3265C-H201-TL has a high power efficiency and an acceptance of wide input voltages. It also guarantees more than 20K hours of life time and AC input surge protection, which makes it a great choice for a variety of offline switching applications.

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