L6668TR

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Integrated Circuits for PMIC - AC DC Converters, Offline Switchers

Modern power solutions, such as DC/DC converters and isolated offline switchers, are designed to provide reliable, efficient and cost effective power conversion solutions. As such, the power semiconductor technology used in these systems is ever-evolving, requiring new and improved integrated circuit solutions. The latest such power solutions are the L6668TR integrated circuits (IC), specifically designed for AC/DC converters, offline switchers and other demanding power systems.

The L6668TR is an advanced, compact and efficient integrated circuit for power supplies. It is ideal for point-of-load (POL) and intermediate bus converter applications, featuring low quiescent current and excellent efficiency within a broad operating range. The L6668TR has been designed with the latest low-voltage, high-current, high-efficiency MOSFET technology, providing protection from over-current, over-voltage, over-temperature and overload conditions, while at the same time boosting efficiency and reliability. This integrated circuit is flexible, of low cost and suitable for off-line and high frequency switch mode power supplies, as well as unregulated and regulated multi-output supplies.

The working principle of the L6668TR IC is based on the principles of modern switch mode power supply (SMPS) technology. Basically, the IC utilizes PWM control to adjust the on/off states of the switch elements in order to regulate the output voltage. It features a voltage mode control that uses an induction transformer and a free-wheeling diode to regulate the output voltage. The device automatically compensates for the voltage drop due to its load current, and provides the required output voltage over a wide range of input voltages.

The L6668TR has a wide input voltage range of 3V to 20V and a high efficiency of up to 88%. The device also includes many different modes of protection, such as thermal overload protection, over-voltage protection, over-current protection and under-voltage protection. In addition, the IC\'s small size and pin-compatible package make it easy to mount and integrate with other circuit elements. Other features of the L6668TR include low start-up and operating currents, built-in soft-start, short-circuit protection, short-start protection and anti-ringing circuitry. The IC is also highly robust and reliable, with an extended temperature range of up to -40°C to +85°C.

The L6668TR IC is suitable for a wide range of applications, including AC/DC converter, isolated offline switcher, and other high frequency switching power supplies. This integrated circuit is designed to provide reliable, efficient and cost effective power conversion solutions for a variety of power systems and is quickly becoming the go-to IC for modern power solutions.

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