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XRP6657: 1.3MHz 1.5A Synchronous Step-Down Converter

A compact and cost competitive step-down converter with adjustable output voltages down to 0.6V, ideal for general purpose low voltage applications. Achieves 95% efficiency and operates at 1.3MHz switching frequency.

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XRP6657: 1.3MHz 1.5A Synchronous Step-Down Converter

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  1. XRP6657 1.3MHz 1.5A Synchronous Step Down Converter

  2. Value Proposition & Positioning • General Purpose Low Voltage Step Down Monolithic Converter • Expands Exar’s Monolithic Converters Capability to 1.5A PRODUCT POSITIONING VALUE PROPOSITION • A 1.5A 1.3MHz synchronous PWM step down converter with integrated compensation network and adjustable output voltages down to 0.6V. Offered in a compact RoHS/Halogen free “green” thin DFN-6L package. Company Confidential

  3. Applications • General Step Down Voltage Converter down to 0.6Vwith up to 1.5A Output Current • Point of Load •Portable Media Players • Set-top Boxes •GPS Receivers • Wireless Networking •Hard Disk Drives • Core Processors and DSPs Supplies Company Confidential

  4. Snapshot • High Efficiency Monolithic PWM Converter • Achieves 95% efficiency • PSM Mode for Light Load • Low Dropout Operation: 100% Duty Cycle • Guaranteed 1.5A Output Current • Adjustable Output Voltages down to 0.6V • Input Voltage : 2.5V to 5.5V • Soft Start Function • 1.3MHz switching frequency • Small External Components • Integrated Current Mode Compensation Network • 5 External Components Solution • Built-in Synchronous Switch • No Schottky Diode Required • Quiescent Current 240μA (no load) • RoHS/Halogen free “Green” Thin DFN-6 Package Company Confidential

  5. Architecture & Performance TYPICAL DIAGRAM – Adjustable Output Voltage 5 External Components No Schottky Diode Required Internal Compensation Network Company Confidential

  6. Competition • FAN2011/2012: $0.74 @ 1K • AAT2158: ~$1.00 @ 1K • LTC3564: $1.95 @ 1K Company Confidential

  7. The XR6657 Bottom Line • Selling Points • Cost Competitive Low Voltage Step Down Voltage Converter • PWM Conversion with LDO Operation Mode for 100% duty cycle • Internal Compensation Network – 5 External Components • “Green” 3x3mm Thin DFN-6 Package • Performances • Down to 0.6V Output Voltage with Up to 1.5A Output Current • 1.3MHz Switching Frequency • Achieves 95% Efficiency • 240µA Quiescent Current • Sales collateral • Data Sheet - Product Brief - Sales Pitch - Samples & Demo Board!! AVAILABLE NOW !! Company Confidential

  8. Thank You! Company Confidential

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