L6984ATR Integrated Circuits (ICs)

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The L6984ATR is a high-performance, cost-effective monolithic integrated switching regulator which packages all the necessary control, logic, drivers and power output stages into a single chip. It is a switching regulator that converts an input voltage from a low voltage to a higher one, or from a high voltage to a lower one. The device can operate in both buck and boost configurations for better flexibility. It is ideal for applications where a low EMI is required due to its spread-spectrum modulating signal.

The L6984ATR is an adjustable switching regulator based on a Pulse Width Modulation (PWM) topology. It has an input voltage range from 4.5V to 40V and can provide an output voltage up to 24V. It features protection features including short circuit, over current, over temperature and input undervoltage. The chip can regulate the output voltage of its buck or boost switching regulator over a wide range of conditions. The PWM frequency can be adjusted between 25 kHz and 500 kHz. It also has an integrated soft-start function which limits the inrush current.

The L6984ATR is a good choice for any application needing high efficiency, wide bandwidth and low noise, like driving power amplifiers, telecom and networking equipment and automotive applications. It is suitable for DC/DC conversion as well as DC/AC conversion, providing high efficiency and cost-effective regulation.

The L6984ATR\'s switching regulator operates by maintaining a constant output voltage and current by modulating the switch current. The internal error amplifier compares the actual output to a reference voltage and adjusts the switch current so that the output remains constant. Typically a buck or boost converter will function in one conversion direction only and can not be configured to switch between the two. The L6984ATR, however, offers a programmable switching direction, allowing it to go between buck and boost mode, depending on the loading conditions.

The L6984ATR also features a spread-spectrum modulating signal which can be used to reduce the interaction with other systems on a shared power line. The modulating signal functions by adding a trill of frequency to the PWM signal. This reduces emissions in the red to green and yellow to green bands. As such, the chip can greatly reduce the Electromagnetic Interference (EMI) of a system.

The L6984ATR is a versatile, energy-efficient switching regulator for a wide variety of applications. It is an ideal choice for anyone needing flexibility, regulated power, or low EMI. Its wide input and output voltage range, adjustable PWM frequency and integrated protection features makes it an ideal choice for complex system designs.

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