L7980A

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The L7980A is a switching regulator that is mainly used in automotive applications. It is designed to provide a regulated output voltage with very low noise and high efficiency over a wide input voltage range. The L7980A offers excellent transient response, allowing for sudden current or voltage changes without causing overshoot or time-based instabilities in the output voltage. The L7980A works by using an internal oscillator to turn transistors on and off at a regular rate.

The L7980A can switch a wide input voltage range, from 2.7V to 36V, and can generate up to 1.2A of output current. The maximum switching frequency is 400kHz, and it can be adjusted through an external resistor. The regulation voltage range is adjustable from 4.5V to 25V, and it is designed to be stable in a current-mode-controlled architecture. The L7980A also features a wide console voltage range and low ripple.

The L7980A is designed to be durable and reliable, with a comprehensive on-chip over-current and temperature protection. The device incorporates an on-chip soft-start timing circuit and an internal switch-off delay. This feature dramatically reduces transient overshoot, eliminating the need for an external current limiter or external capacitors. It also has reverse current protection, allowing the output voltage to remain steady even during reverse polarity connection of the input voltage.

The L7980A can be used in a wide range of applications, including automotive power supply, computer power, battery charging, converters for smartphones and tablets, uninterruptible power supply, industrial and medical device power, and more. It can be used to regulate output voltages in both positive and negative voltages, and it can be used to regulate either linear or switching loads. The L7980A is designed to be compatible with a variety of different systems.

In summary, the L7980A is a highly efficient and reliable voltage regulator that can be used in a variety of applications. It is designed to provide an output voltage with very low noise and high efficiency over a wide input voltage range. The device operates in a current-mode-controlled architecture and features reverse current protection, as well as soft-start timing and switch-off delay. The L7980A is a highly versatile and reliable device that is suitable for automotive, industrial, medical and other applications.

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