LT8494EUF#TRPBF

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LT8494EUF#TRPBF Application Field and Working Principle

The LT8494EUF#TRPBF is a sophisticated, high-performance DC-DC switching regulator that can be used for a wide variety of applications. Its main features include wide input voltage range (4V to 35V), adjustable and synchronizable switching frequency, a wide range of duty cycle operation, adjustable soft start and digital current limit. It is capable of providing up to 6.2A of output current with an exemplary efficiency up to 90%.The LT8494EUF#TRPBF is a non-synchronous buck regulator which means that the switching frequency is determined by the internal oscillator and is not synchronized to the input voltage. This feature allows the switching frequency to be adjusted to either increase efficiency or to minimize the RFI output. Depending on the application there are two operating modes which are PFM/PWM mode and low-noise PFM mode.

Application Field of LT8494EUF#TRPBF

As mentioned earlier, the LT8494EUF#TRPBF is a versatile DC-DC power converter mainly used for high-efficiency power conversion applications. The adjustable switching frequency feature is particularly useful for applications involving sensitive circuits where RFI is a major concern. The wide input voltage range of 4V to 35V also enables its use in both low and high current applications. This makes the LT8494EUF#TRPBF suitable for a wide range of applications such as handheld device charging, battery charging, industrial automation applications and computing applications.

Working Principle of LT8494EUF#TRPBF

The basic working principle of the LT8494EUF#TRPBF is the same as other DC-DC switching regulators. It converts the input voltage to an output voltage by using an inductor and a switching transistor as the main components. The output voltage is determined by the duty cycle of the switching transistor, which is also known as the pulse-width modulation (PWM) control. In the PWM mode, the LT8494EUF#TRPBF operates in continuous conduction mode (CCM) with a constant on time for a given input voltage. This constant on time is used to obtain a desired output voltage. However, in low-noise PFM mode, the switch is turned on in pulses with varying on-times. This effectively reduces the switching frequency and its associated noise, thus allowing the LT8494EUF#TRPBF to be used in applications where noise is a major concern.

Conclusion

The LT8494EUF#TRPBF is a versatile DC-DC switching regulator that can be used for a variety of applications. Its wide input voltage range, adjustable switching frequency and low noise operation make it an ideal choice for high-efficiency power conversion applications. The main features of the LT8494EUF#TRPBF are the adjustable and synchronizable switching frequency, wide range of duty cycle operation, adjustable soft start, and digital current limit. Depending on the application the LT8494EUF#TRPBF can be operated in either PFM/PWM mode or low-noise PFM mode.

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