LTC3388EMSE-1#PBF

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LTC3388EMSE-1#PBF is a controller-ic designed to maximize synchronous-rectifier-efficiency while delivering 5A output current. The LTC3388 belongs to DC/DC switching regulator category which is responsible for self-stabilizing output voltage based on targeted levels. It is particularly suited for component-level solutions. This IC offers improved efficiency with its feature of optimizing on-time to the minimum required for loading conditions.

The LTC3388EMSE-1#PBF integrates critical components such as a 4.7V logic-referenced output voltage sensing with 2.3V of reference voltage, inrush current limit, output under-voltage-lockout (UVLO), internal voltage-loop compensation, a maximized-mode power-stage, and adjust-output voltage. The LTC3388EMSE chip enables direct rectification from its power stage, hence it eliminates the need for additional external rectifier components. It can be used in applications such as point-of-load regulation, 5V microprocessor core regulation, intermediate bus regulation, and logic-supply regulation.

This IC possesses a highly densification power stage design with a high-efficiency synchronous rectifier. The LTC3388EMSE-1#PBF also supports digital loop compensation and valiated power-up sequencing to provide smooth operation in digital systems. Digital loop compensation and power-up sequencing are managed by I2C/PMBus communications to produce Fast Transient Responses (FTRs).

The LTC3388EMSE-1#PBF employs improved efficiency due to its feature of optimizing on-times to the bare minimum required for loading conditions. This device helps to reduce energy losses with minimized switching losses and ripple due to optimized EMI performance for the target applications. As far as the thermal management aspects are concerned, its thermal protect feature enabled by internal power-stage temperature sensors ensures optimal operation by preventing thermal damage.

The LTC3388EMSE-1#PBF provides power supply design flexibility through flexible control of power stages and its appropriate drive options. It makes use of its internal Temp-sense comparators to keep external thermal resistors from being over-stressed. It supports variable IN- and OUT- gate-drive strength to help minimize switching losses. This product features programmable soft-start, soft-stop, and active-current-limit for safeguarding the loads of switching supplies. This integrated device can operate with an input power range from 4.5V to 17V.

The LTC3388EMSE-1#PBF is a state-of-the-art DC/DC switching regulator which is exceptionally well-suited for component-level solutions. It utilizes cutting-edge integration and design which minimizes the number of external components, while delivering a high-efficiency and low-ripple current. This integrated circuit also provides a high level of design flexibility and improved efficiency which proves useful in many demanding applications. Its fast transient response, reliable operation and wide input voltage range are the key features which makes it suitable for many critical power-supply designs.

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