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ECT3408 - 1.5MHz Step-Down Converter

This page provides the datasheet information for the ECT3408, a member of the ECT3408-E 1.5MHz Step-Down Converter family.

Description

The ECT34 08 is a 1.5M Hz constant frequency current mode PWM step-down co nverter.

It is ideal for po rtable equipment re quiring very high current up to 1.2A from single-cell Lit hium-ion batt eries whil e st ill achieving over 90% efficiency during peak load conditions.

Features

  • z z z z z z z z z z z z z Input Voltage Range: 2.5V to 5.5V Output Voltages from 0.6V to VIN 1.2A Output Current High Efficiency: Up to 95% 1.5MHz Constant Switching Frequency Low RDS(ON) Internal Switches: 0.15Ω Allows Use of Ceramic Capacitors Current Mode Operation for Excellent Line and Load Transient Response Short-Circuit and Thermal Fault Protection Soft Start Low Dropout Operation: 100% Duty Cycle Low Shutdown Current:.

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Datasheet preview – ECT3408

Datasheet Details

Part number ECT3408
Manufacturer E-CMOS
File Size 851.96 KB
Description 1.5MHz Step-Down Converter
Datasheet download datasheet ECT3408 Datasheet
Additional preview pages of the ECT3408 datasheet.

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Full PDF Text Transcription

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ECT3408 1.2A, 1.5MHz Step-Down Converter Description The ECT34 08 is a 1.5M Hz constant frequency current mode PWM step-down co nverter. It is ideal for po rtable equipment re quiring very high current up to 1.2A from single-cell Lit hium-ion batt eries whil e st ill achieving over 90% efficiency during peak load conditions. The ECT3408 also can run at 100% duty cycle for low dropout operation, extending battery life in p ortable systems while lig ht load operation provides very lo w output ripple for noise sensitive applications. The ECT3408 can supply up to 1.2A o utput load cu rrent from a 2.5V t o 5.5V input voltage and the outp ut voltage can be regulated as lo w as 0.6V. The high swit ching frequency mi nimizes the size of external co mponents while keeping switching l osses low.
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