LTC3111IDE#PBF

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The LTC3111IDE#PBF is a highly efficient, synchronous DC-DC step-down switching regulator that offers high power and high efficiency over a wide input voltage range. It is designed to provide bias for high power applications in both implanted and non-implanted medical applications.

The LTC3111IDE#PBF is a high-performance, synchronous, dual-phase step-down switching regulator, capable of providing up to 70V with a wide range of output voltage ranges. It supports dual-phase current sharing when needed and offers a multi-mode power saving feature. This device utilizes an internal high-side MOSFET and low-side, synchronous MOSFETs with a clever power management design to provide exceptional efficiency performance and high output current.

The device also features an innovative architecture and proprietary control algorithm providing user-selectable buck or boost operation, as well as an adjustable switching frequency and external synchronization capability. The LTC3111IDE#PBF is the ideal choice for powering medical implantable applications, such as intraocular or neural stimulators, because of its low-voltage operation, high efficiency and low output voltage ripple. In addition, the device can also be used in non-implanted medical applications such as battery charging, patient monitoring and infusion pumps.

The basic operating principle of the LTC3111IDE#PBF involves charging an output capacitor with energy from an input voltage source. The output capacitor is then turned off when its voltage reaches a set point determined by the voltage reference, stored in the device. The output voltage is controlled through a feedback loop which adjusts the charge time of the output capacitor. In operation, the device is able to adjust its operating frequency in order to maintain the desired output voltage. This unprecedented level of control over the output voltage ensures that the desired output voltage is maintained, even in applications that require high levels of accuracy.

The LTC3111IDE#PBF is designed to maintain regulation across a wide input voltage range, making it suitable for operation in both primary and secondary sources of power. The device is also well suited for portable applications due to its low stand-by current and its ability to operate from a single lithium cell. The extensive protections offered by the device, such as over voltage, reverse voltage, and short circuit protection, make it well-suited for applications in uncertain environments.

The LTC3111IDE#PBF is a highly efficient, synchronous DC-DC step-down switching regulator with a wide range of excellent features. With its wide input voltage range and high efficiency, the device is well suited for applications in the medical field, as well as other portable and high power applications. The device offers extensive protection features in addition to its innovative architecture and user selectable modes of operation.

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