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LTC3407A - Step-Down DC/DC Regulator

General Description

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

Key Features

  • n High Efficiency: Up to 96% n Low Ripple (35mVP-P) Burst Mode Operation; IQ = 40μA n 1.5MHz Constant Frequency Operation 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 Optional External Soft-Start.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3407A-2 2.25MHz Step-Down DC/DC Regulator
LTC3407 1.5MHz Step-Down DC/DC Regulator
LTC3407-2 2.25MHz Step-Down DC/DC Regulator
LTC3407-3 2.25MHz Step-Down DC/DC Regulator
LTC3407-4 2.25MHz Step-Down DC/DC Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES n High Efficiency: Up to 96% n Low Ripple (35mVP-P) Burst Mode Operation; IQ = 40μA n 1.5MHz Constant Frequency Operation 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 Optional External Soft-Start n Small Thermally Enhanced MSOP and 3mm × 3mm DFN Packages APPLICATIONS n PDAs/Palmtop PCs n Digital Cameras n Cellular Phones n Wireless and DSL Modems LTC3407A Dual Synchronous 600mA, 1.