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SC1401 - HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER

Description

The SC1401 is a synchronous buck regulator designed to power the latest generation microprocessors in battery operated systems.

Features

  • >90% Efficiency (SMPS) 6.0V to 30V Input range 1.25V to 5.5V Adjustable output (SMPS) PWM and LDO regulator outputs High output gate drive of 2 Amps (SMPS) Power save mode for light load operation 200kHz/300kHz fixed-frequency PWM operation 2mA Typical quiescent current 2µA Typical shutdown current.

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Datasheet Details

Part number SC1401
Manufacturer SEMTECH
File Size 202.17 KB
Description HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER
Datasheet download datasheet SC1401 Datasheet

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Full PDF Text Transcription

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HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER November 21, 2000 SC1401 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC1401 is a synchronous buck regulator designed to power the latest generation microprocessors in battery operated systems. The SC1401 may be used to provide both the I/O and core voltages utilizing synchronous rectification for the core supply voltage and an LDO N-Channel MOSFET controller for the I/O supply voltage. A 1.25 volt reference allows lower output voltages required by today’s portable microprocessors. The synchronous buck regulator is capable of achieving efficiencies up to 95%. The gate drive circuitry can deliver 2.
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