LTM4623EV#PBF

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DC-DC converters are a type of electronic product used in a variety of industrial, automotive and consumer applications. The LTM4623EV#PBF is an example of this type of converter, and has been designed for a range of usage scenarios. This document will explore the application field and working principle of this converter.

The LTM4623EV#PBF is a synchronous 2-phase step-down DC-DC converter with integrated inductors, capable of providing up to 12A output current with integrated MOSFETs and low-frequency operation. The converter offers a wide input voltage range of 4.5V to 36V, adjustable output voltage of 0.6V to 30V, and up to 97% efficiency. The converter also features and adjustable switching frequency of 200kHz to 3MHz, programmable overvoltage protection to 36V, and improved jitter noise caused by the low operating frequency.

The application field of the LTM4623EV#PBF is wide and varied. It is ideal for use in portable communication devices, such as laptops, phones, tablets and WLANs. The wide input voltage range and adjustable output voltage allow it to be used for a range of voltage inputs and outputs. It is also useful for automotive applications, where the adjustable switching frequency provides improved system and EMI performance. Lastly, it is suitable for industrial applications, such as industrial drivers, servo motors, and UPS systems.

The working principle of the LTM4623EV#PBF is based on a synchronous 2-phase step- down converter. It utilizes a low-side MOSFET and a high-side MOSFET, which switch in order to transfer energy between the source and the output. The duty cycle, or the ratio of on-time to total time, is used to control the output voltage. The duty cycle is determined by an internal control loop which monitors the output voltage. As the output voltage increases, the duty cycle is decreased, and vice versa. The low operating frequency ensures quieter operation, and the adjustable frequency and adjustable output voltage allow for more precise control of the output voltage.

In conclusion, the LTM4623EV#PBF is a versatile DC-DC converter that can be used for a range of applications. It offers a wide input voltage range, adjustable output voltage, adjustable switching frequency, and improved jitter noise due to its low frequency operation. Its application field is broad, including portable communication devices, automotive applications, and industrial applications. The working principle is based on a synchronous 2-phase step-down converter, with a low-side and high-side MOSFETs which switch in order to control the output voltage and current.

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