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LTC3407-2 - 2.25MHz Step-Down DC/DC Regulator

General Description

The LTC®3407-2 is a dual, constant-frequency, synchronous step down DC/DC converter.

Key Features

  • n High Efficiency: Up to 95% n Very Low Quiescent Current: Only 40μA n 2.25MHz Constant-Frequency Operation n High Switch Current: 1.2A on Each Channel n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.35Ω n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Ultralow Shutdown Current: IQ < 1μA n Output Voltages from 5V down to 0.6V n Power-On Reset Output n Externally Synchronizable Oscillator n.

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Full PDF Text Transcription for LTC3407-2 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LTC3407-2. For precise diagrams, and layout, please refer to the original PDF.

FEATURES n High Efficiency: Up to 95% n Very Low Quiescent Current: Only 40μA n 2.25MHz Constant-Frequency Operation n High Switch Current: 1.2A on Each Channel n No Schot...

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uency Operation n High Switch Current: 1.2A on Each Channel n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.35Ω n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Ultralow Shutdown Current: IQ < 1μA n Output Voltages from 5V down to 0.6V n Power-On Reset Output n Externally Synchronizable Oscillator n Small Thermally Enhanced MSOP and 3mm × 3mm DFN Packages APPLICATIONS n PDAs/Palmtop PCs n Digital Cameras n Cellular Phones n Portable Media Players n PC Cards n Wireless and DSL Modems LTC3407-2 Dual Synchronous, 800mA