ICE3B3565PBKSA1

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The ICE3B3565PBKSA1 is a highly advanced monolithic switching mode IC specifically designed for supporting the auxiliary power requirement of the offline power supplies – such as for switched mode power supplies (SMPS) for AC/DC (alternating current/direct current) conversion, offline switcher systems, power factor correction (PFC) systems, and other similar applications.

The IC is a Primary Side Regulation (PSR) current mode controller that enables a high precision power supply design with fewer components and lower weight, size, and cost. It eliminates the need for an opto-coupler for feedback loop control, and thereby provides higher reliability, improved efficiency, and better cost-performance.

The ICE3B3565PBKSA1 offers a wide range of features, including wide input voltage with automatic restart, VCC overvoltage protection, power good signal output, temperature protection, programmable dead time, automatic burst mode, and real-time tracking of maximum peak current (MPT). These features can be customized to meet the requirements of specific power supply applications with the flexibility in setting the output voltage, low-power consumption, and fast response.

The primary feature of the ICE3B3565PBKSA1 is its integrated PSR function, which eliminates the need for opto-coupling and reduces the complexity of the power supply circuit. This removes the need for time-consuming tuning and enables a shorter time to market for the design. The integrated PSR is based on a control loop closed by the transformer current-sense voltage, sensed through a resistor and ZCD (zero-crossing detector). This simple solution considerably reduces the external parts count of the design.

The IC also provides a wide range of protection mechanisms, such as overvoltage protection (OVP), overcurrent protection (OCP), and internal over-temperature protection (OTP). These mechanisms can help to minimize damage to components due to unforeseen circumstances, and offer valuable protection when dealing with complex motor control applications. The IC also features programmable dead-time and automatic burst mode, with accurate maximum peak current (MPT) control.

In summary, the ICE3B3565PBKSA1 is an advanced monolithic switching mode IC designed for supporting the auxiliary power requirement of the offline power supplies, such as for switched mode power supplies, offline switcher systems, power factor correction systems, and other similar applications. Its primary feature is its integrated PSR function, which removes the need for opto-coupling and reduces the complexity of the power supply circuit. It also features a wide range of protection mechanisms and programmable features, making it possible to optimize the design for particular applications with greater efficiency and lower cost.

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