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IR3897

International Rectifier
Part Number IR3897
Manufacturer International Rectifier
Description 4A Highly Integrated SupIRBuck Synchronous Buck Regulator
Published Nov 23, 2012
Detailed Description PD‐97663 4A Highly Integrated SupIRBuckTM   Single‐Input Voltage,  Synchronous Buck Regulator   -1- IR3897  FEATURES  ...
Datasheet PDF File IR3897 PDF File

IR3897
IR3897

Overview
PD‐97663 4A Highly Integrated SupIRBuckTM   Single‐Input Voltage,  Synchronous Buck Regulator   -1- IR3897  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   Precisi...


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