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SP6133 / SP6136 /SP6138 PWM (Buck) Controllers

SP6133 / SP6136 /SP6138 PWM (Buck) Controllers. 12V to 5V. 5V/20A. AC IN. AC to 12V. 12V to 3.3V. 3.3V/20A. 12V to 1.8V. 12V to 0.8V. 1.8V/20A. 0.8V/20A. Buck Power Converter Basics. Step-down Function 12V to 5V, 3.3V, 2.5V, 1.8V, 0.8Vetc. High-efficiency Alternative to LDOs

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SP6133 / SP6136 /SP6138 PWM (Buck) Controllers

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  1. SP6133 / SP6136 /SP6138 PWM (Buck) Controllers

  2. 12V to 5V 5V/20A AC IN AC to 12V 12V to 3.3V 3.3V/20A 12V to 1.8V 12V to 0.8V 1.8V/20A 0.8V/20A Buck Power Converter Basics • Step-down Function • 12V to 5V, 3.3V, 2.5V, 1.8V, 0.8Vetc. • High-efficiency Alternative to LDOs • Simplest Switching Power Topology • Commonly used in Distributed Power Architectures Company Confidential

  3. VIN VCC SP613x 3x3mm QFN SP6133/6/8 Features and Benefits • 5V to 24V Step Down Synchronous Buck Controller • Output Voltage Down to 0.8V with Up To 30A Output Load Capability • Integrated 5V VCC Bias Circuitry • Overcurrent Protection • “Power Good” Output and Enable Input Functions • Fixed Frequency Operation • 300kHz: SP6133 • 600kHz: SP6136 • 2.5MHz: SP6138 • UVLO Detects Both VCC and VIN • Short Circuit Protection with Auto-Restart • Powerful 2.5 Sink and 1.5 Source NFET Drivers • High-efficiency: Greater than 94% • Smallest 3x3mm Package – reduces solution size Single input VIN Company Confidential

  4. SP6133/6/8 Features and Benefits • Highest switching frequency in the market – 2.5MHz (SP6138) • Fixed frequency operation • SP6138 = 2.5MHz • SP6136 = 600kHz • SP6133 = 300kHz • External Soft Start • Adjustable start-up time on power-up • Simplifies sequencing of multiple convertors • Allows internal VREF override • Power Good can be used as Power-on Reset • POR delay is adjusted via SS capacitor • Adjustable UVLO optimizes start voltage • Easy sequencing via soft start pin Company Confidential

  5. SP613X Selection Guide Up to 30A 10A SP6133 SP6136 5A SP6138 2A 600kHz 900kHz 300kHz 2.5MHz Company Confidential

  6. 3mm x 3mm QFN-16 3mm x 4.9mm MSOP 3mm 4.9mm 3mm 3mm Small Size Smaller than MSOP with better thermal protection 3mm x 3mm = 9mm2 3mm x 4.9mm = 14.7mm2 Company Confidential

  7. Market Segments & Applications • DSL Modems and Set-top Boxes • Industrial Applications • Plasma TV and LCD Monitors • Powering Low-voltage, High-current ASICs • Distributed Power Systems • Power Modules • Storage Area Networks • Point-of-load Regulation for Processors and ASICs • Host Bus Adapter Card is Very Densely Populated • Enterprise Communication Equipment • Router, Hub, Switch, and Rack Mounted Systems Company Confidential

  8. SP6133 Typical Performance Company Confidential

  9. SP6136 Typical Performance Company Confidential

  10. SP6138 Typical Performance Company Confidential

  11. Competitive Analysis Company Confidential

  12. SP6133 / SP6136 / SP6138 Value Proposition • Industry-leading PWM Controller Drives up to 30A in Single Phase • Integrated VCC for Single Rail Input – No Separate VCC Bias Required • Full Feature Set: Power Good, Power On Reset, Under Voltage Lock Out, Soft Start, Built-in Thermal, Short Circuit, and Over Current Protection • Available in 300kHz, 600kHz and 2.5MHz options • Industry Standard 3mm2 QFN Package – Smallest Size vs. the Competition Company Confidential

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