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LTC3418 - Monolithic Synchronous Step-Down Regulator

Description

The LTC®3418 is a high efficiency, monolithic synchronous step-down DC/DC converter utilizing a constant frequency, current mode architecture.

It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage from 0.8V to 5V while delivering up to 8A of output current.

Features

  • n High Efficiency: Up to 95% n 8A Output Current n 2.25V to 5.5V Input Voltage Range n Low RDS(ON) Internal Switch: 35mΩ n Tracking Input to Provide Easy Supply Sequencing n Programmable Frequency: 300kHz to 4MHz n 0.8V ±1% Reference Allows Low Output Voltage n Quiescent Current: 380µA n Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp n Synchronizable Switching Frequency n Low Dropout Operation: 100% Duty Cycle n Power Good Output Voltage Monitor n Ove.

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Full PDF Text Transcription

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Features n High Efficiency: Up to 95% n 8A Output Current n 2.25V to 5.5V Input Voltage Range n Low RDS(ON) Internal Switch: 35mΩ n Tracking Input to Provide Easy Supply Sequencing n Programmable Frequency: 300kHz to 4MHz n 0.8V ±1% Reference Allows Low Output Voltage n Quiescent Current: 380µA n Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp n Synchronizable Switching Frequency n Low Dropout Operation: 100% Duty Cycle n Power Good Output Voltage Monitor n Overtemperature Protected n 38-Lead Low Profile (0.75mm) Thermally Enhanced QFN (5mm × 7mm) Package Applications n Microprocessor, DSP and Memory Supplies n Distributed 2.5V, 3.
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