L5970ADTR

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The L5970ADTR is a high performance synchronous buck DC/DC converter from STMicroelectronics. It delivers up to 3A at 3.3V for a maximum output power of 10W and offers a wide input voltage range from 6V to 24V. The L5970ADTR is designed for applications such as industrial, automotive and communications, where a highly reliable and versatile, high performance buck regulator is required. It features a high switching frequency of 1.5MHz, adjustable output voltage, soft-start, current limit and short-circuit protection. This device is ideal for low power buck-mode voltage regulation and battery management, combining both high efficiency and low noise.

The L5970ADTR is a Pulse Width Modulator (PWM) DC/DC switching regulator with synchronous rectification. This type of regulator uses PWM to regulate the input voltage. It consists of two power MOSFETs, one connected to the input voltage source, and the other connected to the output voltage. When the PWM signal is high (1), the input voltage is applied to the drain of the output MOSFET and the output voltage is regulated. When the PWM signal is low (0), the input voltage is not applied to the drain of the output MOSFET and the output voltage does not change. This type of regulator is used for applications where high levels of efficiency are required.

The L5970ADTR features an adjustable constant frequency current-mode control scheme with a high accuracy voltage loop and fast transient response. This device is extremely efficient, with a quiescent current of only 120uA, making it suitable for battery powered applications. The L5970ADTR also includes a low-side MOSFET driver, over-temperature protections, current limit and short circuit protection.

The L5970ADTR is an ideal device for a wide range of applications, from automotive and industrial to telecommunication. Its integrated protection features and low quiescent current make it a perfect choice for battery powered systems, while its adjustable frequency allows for applications that require higher switching frequency. The compact size of this device also makes it ideal for applications where space is limited.

The synchronous buck converter is a versatile device for converting input voltages to a predetermined DC output voltage. The L5970ADTR is a perfect example of this type of regulator, offering a wide input voltage range, adjustable output voltage, high efficient synchronous rectification, low quiescent current and protection features. This device is ideal for a wide range of applications, including battery powered systems and telecommunication, making it a valuable component in any power management design.

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