LTC3490ES8#TRPBF

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The LTC3490ES8#TRPBF is a component of the PMIC-LED Drivers family which is manufactured by Linear Technology. It is a high efficiency, monolithic step-up switching regulator. It is designed to deliver an adjustable output voltage of up to 46V and can handle up to 500mA output current. It is designed to operate over an input range of 4.9V to 24V and has an exceptionally low quiescent current of 0.45mA. It also offers a wide range of protection features including overload, short-circuit, and thermal shutdown.

The LTC3490ES8#TRPBF is typically used in motion control applications where step-up voltage conversion is required. It can also be used in a wide variety of applications such as powering LED displays, portable electronic devices, and white goods applications. The wide input range and efficient operation make it an ideal solution for both light-load and heavy-load operation. It is also suitable for ultra-low quiescent current consuming applications due to its exceptional low quiescent current.

The working principle of the LTC3490ES8#TRPBF is based on an inductor-based boost converter topology. When power is applied, the internal switch of the LTC3490ES8#TRPBF is enabled and the current across the inductor starts to increase. As the voltage increases, the internal switch turns off and the stored energy in the inductor is used to deliver the output voltage. The output voltage can be adjusted with an external resistor divider which provides the feedback voltage to the internal voltage reference. When the boost converter reaches its maximum output voltage, the internal switch is then turned off and the cycle repeats.

The LTC3490ES8#TRPBF is able to offer an exceptionally high efficiency thanks to its low noise PWM operation. This is achieved by using a high-frequency switching method, which reduces switching losses and helps to minimize power consumption. Additionally, an internal synchronous rectification controller helps to further reduce the amount of power wasted as heat.

In addition to its impressive performance and efficiency, the LTC3490ES8#TRPBF offers a number of integrated protection features. These features include thermal shutdown, overvoltage protection, short-circuit protection and over-temperature protection. All of these features help to ensure reliable operation in the most demanding applications.

Overall, the LTC3490ES8#TRPBF is an excellent choice for a wide variety of applications. Its wide range of operating conditions, combined with its exceptional efficiency and protection features, make it an ideal solution for LED driver, portable device, and white goods applications.

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