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YK3412 - 1.3A Synchronous Step-Down Converter

Datasheet Summary

Description

The YK3412 is a constant frequency, current mode PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.

Features

  • High Efficiency: Up to 96%.
  • 1.4MHz Constant Frequency Operation.
  • 1.3A Output Current.
  • No Schottky Diode Required.
  • 2.4V to 5.5V Input Voltage Range.
  • Output Voltages from 0.6V to VIN.
  • 100% Duty Cycle in Dropout.
  • Low Quiescent Current: 35µA.
  • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response.
  • Short Circuit Protection.
  • Thermal Fault Protection.
  • Inrush Curren.

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Datasheet preview – YK3412

Datasheet Details

Part number YK3412
Manufacturer Ecranic
File Size 299.92 KB
Description 1.3A Synchronous Step-Down Converter
Datasheet download datasheet YK3412 Datasheet
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    YK3412 1.4MHz, 1.3A Synchronous Step-Down Converter FEATURES • High Efficiency: Up to 96% • 1.4MHz Constant Frequency Operation • 1.3A Output Current • No Schottky Diode Required • 2.4V to 5.5V Input Voltage Range • Output Voltages from 0.6V to VIN • 100% Duty Cycle in Dropout • Low Quiescent Current: 35µA • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response • Short Circuit Protection • Thermal Fault Protection • Inrush Current Limit and Soft Start • <1µA Shutdown Current • Available IN DFN22-6 • -40°C to +85°C Temperature Range APPLICATIONS • Cellular and Smart Phones • Wireless and DSL Modems . Typical Application GENERAL DESCRIPTION The YK3412 is a constant frequency, current mode PWM step-down converter.
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