ICE3B1565JFKLA1

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The ICE3B1565JFKLA1 is an integrated circuit that is part of an extensive family of AC-DC converters and offline switchers. It is a 3-phase, current-mode, half-bridge, and synchronous buck converter power management IC (PMIC). This integrated circuit is primarily intended for applications such as LED lighting, notebook adapter, telecom adapter and other AC-DC, DC-DC switching power supplies.

The ICICE3B1565JFKLA1 features a PFC+PWM control design with an input frequency of 800 kHz, a input voltage of 60 V DC, a no load efficiency of 90%, a 1.5 V nominal output voltage, built-in overload and short circuit protection, and open loop auto load operating efficiency. The PMIC operates with a frequency of 800 kHz up to 0.9V, with a peak current of 10A and a 1.5V drop across the device. It is available in SO/DIP-8 and provides an adjustable soft start feature as well as internal thermal and overcurrent protection.

The ICE3B1565JFKLA1 works by using a built-in current-mode PFC+PWM controller to efficiently reduce input current ripple, improve the output current quality, and improve the power factor correction. Apart from the PFC+PWM controller the ICE3B1565JFKLA1 also contains all necessary components needed to implement an offline Flyback converter, including a 750V MOSFET, a rectifier, and a boost rectifier. It also uses a soft switching technique to reduce power dissipation and EMI emissions.

The PMIC is complemented with an FL77930 PC controller, which is integrated in the device for improved system control. This controller has an independent operation mode, which can reduce the number of input capacitor uses, and the operation frequency is set by a single resistor. This device also has the capability to be used as a hysteretic Buck or Boost converter, with a maximum input voltage of 60V.

The ICE3B1565JFKLA1 is a convenient and efficient solution for AC-DC, DC-DC switching power supplies and other similar applications. Its flexible design and wide operating range make it suitable for a wide range of applications. Its excellent EMI performance is an added bonus, making it a highly desirable product in a variety of industries. The PMIC is cost-effective, easy to integrate and has a long life, making it an ideal choice for many application designs.

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