ISL6842IUZ

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The ISL6842IUZ PMIC (Power Management Integrated Circuit) is a high-performance, multi-phase DC-DC converter with integrated gate drivers. It provides efficient and reliable power conversion for applications requiring multiple output DC power rails operating at different voltage levels. With its innovative design, the ISL6842IUZ is a cost-effective solution for a wide range of offline switching applications, from simple AC-DC converters to complex multi-phase power supplies. It provides a complete solution for high performance DC-DC applications in the industrial, automotive, aeronautical and consumer sectors.

The ISL6842IUZ features an integrated gate driver separate from the power stage converter, making it a cost-effective solution for applications that require higher power density, better efficiency, and lower noise. Its integrated gate driver enables precise control of switching characteristics, enabling higher power supplied and shorter transient response times. The integration of the gate driver on a single die also reduces board space and thermal management requirements.

The ISL6842IUZ offers wide range of fixed output voltage options, multiple programmable output voltage configurations and single rail adjustable output voltage options, making it suitable for various applications including those that require synchronized outputs. It also features integrated reverse current protection, over temperature protection, programmable soft start, analog dimming, under voltage lockouts, and over voltage protection. Also, the ISL6842IUZ features an easy-to-use digital interface enabling quick tuning so the application can adjust the frequency at any time.

The ISL6842IUZ is an ideal solution for a wide range of AC/DC offline switching applications requiring high power density, low noise and reliable operation. Combined with its digital control, the ISL6842IUZ is capable of delivering a wide range of highly efficient and cost-effective power solutions. Its integrated gate driver, programmable output configurations and wide range of output voltage options make it suitable for applications such as industrial, automotive and consumer systems that require multiple output DC rail voltages that are operating at different voltage levels.

The ISL6842IUZ working principle is based on an efficient synchronous rectification technique that uses an external high-side gate driver and a low-side MOSFETs to control the switching waveform. The high performance power MOSFETs deliver low on-resistance and high current capability to reduce active losses. The device features a wide switching frequency range which can be controlled either by the external clock or by the PWM pin. The external clock option provides a good compromise between cost and performance, while the PWM pin provides the highest power savings.

The integrated gate driver directly interfaces the MOSFETs, providing superior control and efficiency while eliminating the need for additional discrete power components. The gate driver operates in continuous pulse width modulated (PWM) mode and provides high noise immunity which reduces switching noise and improves system reliability. The ISL6842IUZ also includes an integrated error amplifier, providing a feedback loop to control the output voltage.

In summary, the ISL6842IUZ is a high performance, multi-phase DC-DC converter with integrated gate drivers that provides efficient and reliable power conversion for applications requiring multiple output DC power rails operating at different voltage levels. It features a wide range of fixed output voltage options, multiple programmable output voltage configurations, single rail adjustable output voltage options, integrated reverse current protection, over temperature protection, programmable soft start, analog dimming, under-voltage lockouts, and over-voltage protection.

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