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| Product Overview Created on: 3/15/2007 NCP5383: Two Phase Buck Controller with Integrated Gate Drivers and AVP For complete documentation, see the data sheet Product Description The NCP5383 is a two phase buck controller used in low voltage, high current power supplies. Dual edge pulse width modulation combined with inductor current sensing and adaptive voltage positioning reduces system cost by providing the fastest initial response to transient loads thereby requiring less bulk and ceramic output capacitors to satisfy transient load line requirements. A high performance operational error amplifier is provided, which allows for easy compensation of the system. Protection features include overcurrent protection, undervoltage lockout and thermal shutdown and power good monitor. Features * * * * * * * * * Dual Edge PWM High Performance Operational Error Amplifier Phase to Phase Current Balancing Differential Current Sense Amplifier for each Phase Programmable Soft Start Time 1% Internal Reference Voltage Accuracy Frequency Range: 100kHz - 400kHz Set by the Resistor Power Good Output with Internal Delays Integrated Gate Drivers Benefits * * * * * * * * * Fast intial response to transient loading Ease of use Reduced cost Ease of use Ease of use Enhanced Performance Enhanced Performance Added Protection Reduced Cost Selected Electrical Specifications Symbol VCC VCC Mode Boundary min max Value 4.5 13.2 Voltage Mode Unit V V Package Availability Type QFN 4x4 mm, 24 PIN PB Free X Standard For more information please contact your local sales support at www.onsemi.com |
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