L6986TR Integrated Circuits (ICs)

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The L6986TR is a wide range of DC/DC switching converters that incorporate advanced features with excellent electrical performance. It is intended for use in applications where high efficiency and ultra-low current consumption are required. Such applications include Point of Load (PoL) DC/DC applications, digital power supplies, portable and battery-operated systems, consumer, automotive, and industrial equipment.

The L6986TR is a monolithic integrated circuit (IC) device that performs the function of voltage regulation and has the capacity to provide efficient power conversion, low to high-side power conversion, overvoltage and overcurrent protection, high frequency and low input voltage, wide input voltage range, and improved efficiency.

The L6986TR works on the principle of PLL regulation with an internal HV modulator (HVM) and two-terminal regulation voltage converter. The PLL regulation operates by changing the oscillating frequency of a PLL loop in order to match the output voltage to a desired reference voltage. The output voltage is determined by the reference voltage and is kept regulated by varying the HVM frequency to adjust the PWM duty cycle.

The two-terminal regulation voltage converter is a four-switch buck converter with a buck principle topology. This type of circuit requires four switches including the high and low-side switches and the adjacent switches (b1 and b2). The adjacent switches act as a feedback loop and control the output voltage by adjusting the duty cycle of the high-side switch. The four-switch buck converter is an excellent configuration as it allows for higher efficiency and can withstand higher power levels.

The L6986TR is an ideal device for applications where low quiescent current and high efficiency are required. It has low standby power consumption, which is important for portable and battery-operated applications. The device is designed for high efficiency by reducing the static power losses and soft switching techniques, which further optimize the efficiency of the device. Additionally, the wide range of input voltage, high frequency operation, and external shutdown options make it suitable for a range of applications.

The L6986TR is suitable for a range of applications such as wireless charging, battery charging, portable power supplies, and automotive applications. In addition, it offers a wide range of current and voltage feedback options that make it a great choice for applications requiring precision regulation. For these reasons, the L6986TR is a popular choice for designers of a variety of DC/DC applications.

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