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LTC3621 - 1A Synchronous Step-Down Regulator

Description

The LTC®3621/LTC3621-2 is a high efficiency 17V, 1A synchronous monolithic step-down regulator.

The switching frequency is fixed to 1MHz or 2.25MHz with a ±40% synchronizing range.

Features

  • n Wide VIN Range: 2.7V to 17V n Wide VOUT Range: 0.6V to VIN n 95% Max Efficiency n Low IQ < 3.5µA, Zero-Current Shutdown n Constant Frequency (1MHz/2.25MHz) n Full Dropout Operation with Low IQ n 1A Rated Output Current n ±1% Output Voltage Accuracy n Current Mode Operation for Excellent Line and Load Transient Response n Synchronizable to External Clock n Pulse-Skipping, Forced Continuous, Burst Mode® Operation n Internal Compensation and Soft-Start n Overtemperature Protection n Compact 6-Lea.

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Full PDF Text Transcription

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Features n Wide VIN Range: 2.7V to 17V n Wide VOUT Range: 0.6V to VIN n 95% Max Efficiency n Low IQ < 3.5µA, Zero-Current Shutdown n Constant Frequency (1MHz/2.
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