BD7682FJ-LBE2

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Introduction

​​BD7682FJ-LBE2 is a PMIC - AC DC Converters, Offline Switchers with advanced features such as active standby control, synchronous rectification, frequency dithering, overvoltage protection, temperature compensation, over-current protection and wide temperature range. The overall design concept of this product is to provide greater flexibility and enable customers to customize the converter for their application needs.

Application Field

BD7682FJ-LBE2 is designed for DC/DC applications such as laptop screen backlighting and handheld device power supplies. This product can be used to convert a wide input voltage range from 8V to 65V to various output voltage levels with a maximum output current of 1.4A. Moreover, it supports adjustable output voltage (VADJ) up to 26V, and integrated frequency thermal energy dissipation and dithering (FTED) technology to extend the range of output voltage.

Additionally, the chip is suitable for industrial applications such as motor drives, robotic systems, lighting, and factory automation where reliable and efficient conversion is required. BD7682FJ-LBE2 is also suitable for automotive applications and it has passed AEC-Q100 testing and has achieved the certification of ISO9001:2008.

Working Principle

BD7682FJ-LBE2 works by synchronous rectification, frequency dithering and active standby control. ​​​The synchronous rectification technique, a significant key feature of the converter, helps to reduce the power consumption and heat output of the converter. Furthermore, it also enhances efficiency of the system, enabling the chip to deliver up to 95% efficiency.

In addition, the device also provides low standby power consumption and improves system reliability with a minimum standby current of only 50uA. The device employs frequency dithering (FTED) technology and allows the device to deliver a wide output voltage range that is suitable for a variety of applications and to withstand input voltage changes. Another key feature of this product is active standby control, which allows the device to turn off the output voltage automatically when the input voltage is below the lower limit

Furthermore, BD7682FJ-LBE2 also comes with protection features such as temperature compensation, overvoltage protection, over-current protection, and wide temperature range to ensure system stability. In addition to these features, the device also has some key features such as low EMI, low voltage start up, and low dropout voltage.

Conclusion

BD7682FJ-LBE2 is a PMIC - AC DC Converters, Offline Switchers with many advanced features. It is suitable for a wide range of applications such as laptop screens and handheld device power supplies. It uses synchronous rectification technology to improve efficiency, while frequency dithering (FTED) extends the range of output voltage. It also has protection features such as overvoltage protection, temperature compensation, and over-current protection. With these features, the chip provides a reliable and efficient conversion power supply system.

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