ICE3BR2565JF

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Modern power management systems have become ubiquitous, enabling superior performance of many applications, from consumer electronics to automotive, heavy industry, data centers, and beyond. The ICE3BR2565JF family of integrated control devices, part of the ICE3BR family of innovative analog ICs, is one of the latest additions to the PMIC AC DC Converters and Offline Switchers product line and is ideal for applications where exceptional efficiency, output voltage, and high current capabilities are required. The ICE3BR2565JF is a high-speed, high-performance, high-accuracy current-mode PFC and quasi-resonant converter that combines high performance and cost-effectiveness in a single integrated package.

Features

The ICE3BR2565JF is a feature-packed Integrated Control Device for Offline Switchers, offering high-accuracy current control, soft switching PFC, high peak power capabilities, and wide input voltage range to ensures superior performance and reliability. Key features of the ICE3BR2565JF include:

• Internal current-controlled output for soft-switching Quasi-Resonant (QR) operation and/or peak current-mode PFC power factor correction.
• High-accuracy current sensing for regulation.
• Programmable oscillator frequency.
• Programmable Soft-start.
• Variable output voltage with analog or digital interface.
• High power ratings, up to 600 Watts
• Wide input voltage range of 4.5 V – 20 V.

Applications

The ICE3BR2565JF is well suited for many power applications requiring accurate, high-speed current regulation, such as:

• Offline power supplies such as laptop and PC power supplies.
• External adapter chargers for consumer electronics.
• Telecom power supplies.
• Industrial applications.
• Lighting applications.

Working Principle

The ICE3BR2565JF is part of the ICE3BR family of innovative analog ICs; it integrates a current-mode PFC-HV up to 600W, a multi-mode quasi-resonant controller, and an analog variable output voltage regulator, all in one integrated package. It uses a proprietary topology that combines a soft-switching quasi-resonant high voltage controller and a peak current-mode power factor corrector for high efficiency. An internal current sensing runs as a variable-frequency oscillator, providing precise current regulation modulation for both modes.

The ICE3BR2565JF also features a digital control interface to allow the adaptation of power supplies to the desired load current and the output voltage regulation. An analog interface is also available when precise control of the output voltage is required. Additionally, the ICE3BR2565JF includes a simple Soft-start circuit and a programmable oscillator whose frequency is determined by an external resistor.

Conclusion

The ICE3BR2565JF is an innovative Integrated Control Device that allows designers and applications engineers alike to benefit from its unique combination of features and excellent performance, cost-effectiveness and ease of use. This device represents an excellent choice for power supplies such as laptop and PC power supplies, telecom power supplies, industrial applications, and lighting applications.

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