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AIC1578

Part Number	AIC1578
Manufacturer	Analog Intergrations Corporation
Description	High-Efficiency/ Step-Down DC/DC Converter
Published	Mar 23, 2005
Detailed Description	AIC1578 High-Efficiency, Step-Down DC/DC Converter FEATURES • 4V to 20V Input Voltage Operation. • High Efficiency (up t...
Datasheet	AIC1578 PDF File

Overview

AIC1578 High-Efficiency, Step-Down DC/DC Converter FEATURES • 4V to 20V Input Voltage Operation.
• High Efficiency (up to 95%).
• Low Quiescent Current at 90µA.
• Pulse-Skipping and Pulse-Frequency Modulation.
• Inputs-Uncommitted Current Sense Comparator.
• Duty Cycle Adjustable.
• 90KHz to 280KHz Oscillator Frequency.
• Power-Saving Shutdown Mode (8µA Typical).
• Push-Pull Driver Output.
DESCRIPTION The AIC1578 is a high performance step-down DC/DC converter, designed to drive an external P-channel MOSFET to generate programmable output voltages.
Two main schemes of PulseSkipping and Pulse-Frequency Modulation are employed to maintain low quiescent current and high conversion efficiency u...

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