LT3663HMS8E-3.3#PBF

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LT3663HMS8E-3.3#PBF is a high-efficiency step-down DC/DC switching regulator designed to provide a regulated output voltage of 3.3V. The device has been designed to use very low quiescent current while still being very low profile with a height of only 0.72mm. It has adjustable capacitive load and soft start operation, a wide input voltage range from 4.5V to 30V and can work at junction temperatures up to 150℃.

The LT3663HMS8E-3.3#PBF utilizes a synchronous rectification topology for low loss power conversion, with an internal N-channel power MOSFET with over-current protection that can supply up to 3.0A of continuous output current across a wide temperature range from -40℃ to 150℃. The internal frequency can be programmed between 150kHz and 1MHz, making it suitable for high-frequency switching applications. It also supports various adjustable soft-start and automatic pulse skipping. Automatic pulse-skipping allows the device to enter a sleep mode at light loads and to improve efficiency in a wide range of applications.

The LT3663HMS8E-3.3#PBF provides high efficiency, adjustable output voltage, a wide input voltage range and adjustable thermal overload protection. It is suitable for applications such as automotive, industrial, consumer and energy management. The device also has an Enablepin which can turn on/off the regulator output. The reference voltage and error amplifier voltage are externally adjustable allowing the device to be used for multiple output voltages if required.

This DC-DC switching regulator offers excellent line and load regulation, ensuring a steady, reliable output voltage over a wide range of input and load conditions. It also offers excellent power-conversion efficiency across all operating load currents, reducing both power losses and switching losses for overall efficiency improvements. The LT3663HMS8E-3.3#PBF is also short-circuit protected, ensuring the output voltage will not rise if the output is shorted, saving the user from potential damaging high-voltage spikes.

In summary, the LT3663HMS8E-3.3#PBF is a high-efficiency step-down DC/DC switching regulator designed specially for applications such as automotive, industrial, consumer and energy management. It utilizes a synchronous rectification topology for low losses power conversion, and provides adjustable output voltage, wide input voltage range, adjustable thermal overload protection, line and load regulation, as well as short-circuit protection. Depending on the application environment, the device can work at temperatures up to 150℃, delivering up to 3.0A of continuous output current across a wide temperature range.

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