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IR3894 - 12A HIGHLY INTERGRATED SUPLRBUCK

Description

APPLICATIONS  Netcom Applications  Embedded Telecom Systems  Server Applications  Storage Applications  Distributed Point of Load Power Architectures  BASIC APPLICATION                        Figure 1: IR3894 Basic Application Circuit  Figure 2: IR3894 Efficiency 

Features

  • Single 5V to 21V .

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Other Datasheets by International Rectifier (now Infineon)

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IR3891 Synchronous Buck Regulator
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Full PDF Text Transcription

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PD‐97745 12A Highly Integrated SupIRBuck   Single‐Input Voltage,  Synchronous Buck Regulator   - 1 -` IR3894  FEATURES   Single 5V to 21V application   Wide Input Voltage Range from 1.0V to 21V with  external Vcc    Output Voltage Range: 0.5V to 0.86* Vin   Enhanced Line/Load Regulation with Feed‐Forward   Programmable Switching Frequency up to 1.5MHz   Internal Digital Soft‐Start/Soft‐Stop   Enable input with Voltage Monitoring Capability   Thermally Compensated Current Limit with robust  hiccup mode over current protection   Smart internal LDO to improve light load and full load  efficiency     External Synchronization with Smooth Clocking    Enhanced Pre‐Bias Start‐Up   Precision Reference Voltage (0.5V+/‐0.
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