LTM8002HY-3.3#PBF

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DC-DC converters are a type of power converters that provide a required voltage from a different voltage source. They are commonly used for electric power supply and control applications. The LTM8002HY-3.3#PBF is an example of these power converters. This article will discuss the application field and working principle of the LTM8002HY-3.3#PBF.

The LTM8002HY-3.3#PBF is a high efficiency DC-DC converter that provides a regulated output of 3.3V from an input voltage ranging from 4.5 to 18V. This makes it ideal for a wide range of applications, including automotive electronics, consumer audio and visual systems, as well as industrial processes. It also offers protection against short-circuit and over-voltage conditions as well as current limiting.

The LTM8002HY-3.3#PBF is capable of delivering up to 3A of continuous output current while operating at a peak efficiency of up to 94%. Its high switching frequency of 1.4MHz allows for an ultra-small solution size of 12mm x 9mm, making it suitable for space-constrained applications. In addition, its low quiescent current of 350µA ensures very low power consumption.

The LTM8002HY-3.3#PBF employs a standard two-stage synchronous rectification topology with an integrated low-loss power stage. This topology combines a high-side N-channel MOSFET and a low-side P-channel MOSFET in a synchronous rectification configuration to minimize power dissipation. The two-stage synchronous rectification topology inherently provides double the efficiency of traditional diode rectification. This ensures high efficiency over the entire operating range and improved thermal management.

The LTM8002HY-3.3#PBF utilizes a constant-frequency voltage-mode control with an internal comparator to regulate the output voltage. This topology allows for excellent stabilization of the output voltage over time, temperature, line, and load variations. Additionally, transient response times of less than 200µs and excellent line regulation of 5mV ensure robust system performance.

The LTM8002HY-3.3#PBF is a high efficiency and high performance DC-DC converter that is ideal for a wide range of applications. Its two-stage synchronous rectification topology provides double the efficiency of diode rectification, and its voltage-mode control ensures excellent stability. In addition, its very low power consumption and ultra-small solution size make it suitable for space-constrained applications.

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