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MCR03EZPFX2051 Datasheet(PDF) 1 Page - International Rectifier |
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MCR03EZPFX2051 Datasheet(HTML) 1 Page - International Rectifier |
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1 / 34 page  Rev 9.0 1 PD-97506 IR3856WMPbF Features • Greater than 95% Maximum Efficiency • Wide Input Voltage Range 1.5V to 16V • Wide Output Voltage Range 0.7V to 0.9*Vin • Continuous 6A Load Capability • Integrated Bootstrap-diode • High Bandwidth E/A for excellent transient performance • Programmable Switching Frequency up to 1.5MHz • Programmable Over Current Protection • PGood output • Hiccup Current Limit • Precision Reference Voltage (0.7V, +/-1%) • Programmable Soft-Start • Enable Input with Voltage Monitoring Capability • Enhanced Pre-Bias Start-up • Seq input for Tracking applications • -40oC to 125oC operating junction temperature • Thermal Protection • 4mm x 5mm Power QFN Package • Halogen Free, Lead Free and RoHS compliant Applications • Server Applications • Storage Applications • Embedded Telecom Systems • Distributed Point of Load Power Architectures Fig. 1. Typical application diagram Description The IR3856W SupIRBuckTM is an easy-to-use, fully integrated and highly efficient DC/DC synchronous Buck regulator. The MOSFETs co- packaged with the on-chip PWM controller make IR3856W a space-efficient solution, providing accurate power delivery for low output voltage applications. IR3856W is a versatile regulator which offers programmability of start up time, switching frequency and current limit while operating in wide input and output voltage range. The switching frequency is programmable from 250kHz to 1.5MHz for an optimum solution. It also features important protection functions, such as Pre-Bias startup, hiccup current limit and thermal shutdown to give required system level security in the event of fault conditions. HIGHLY EFFICIENT INTEGRATED 6A, SYNCHRONOUS BUCK REGULATOR SupIRBuckTM • Netcom Applications • Computing Peripheral Voltage Regulators • General DC-DC Converters |
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