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CS5301

ON Semiconductor
Part Number CS5301
Manufacturer ON Semiconductor
Description Three-Phase Buck Controller
Published Mar 24, 2005
Detailed Description CS5301 Three−Phase Buck Controller with Integrated Gate Drivers and Power Good The CS5301 is a three−phase step down co...
Datasheet PDF File CS5301 PDF File

CS5301
CS5301

Overview
CS5301 Three−Phase Buck Controller with Integrated Gate Drivers and Power Good The CS5301 is a three−phase step down controller which incorporates all control functions required to power high performance processors and high current power supplies.
Proprietary multi−phase architecture guarantees balanced load current distribution and reduces overall solution cost in high current applications.
Enhanced V2t control architecture provides the fastest possible transient response, excellent overall regulation, and ease of use.
The CS5301 multi−phase architecture reduces output voltage and input current ripple, allowing for a significant reduction in inductor values and a corresponding increase in inductor current slew rate.
This approach allows a considerable reduction in input and output capacitor requirements, as well as reducing overall solution size and cost.
Features • Enhanced V2 Control Method • 5−Bit DAC with 1% Accuracy • Adjustable Output Voltage Positioning • 6 On−Board Gate Drivers • 200 kHz to 800 kHz Operation Set by Resistor • Current Sensed through Buck Inductors, Sense Resistors, or V−S Control • Hiccup Mode Current Limit • Individual Current Limits for Each Phase • On−Board Current Sense Amplifiers • 3.
3 V, 1.
0 mA Reference Output • 5.
0 V and/or 12 V Operation • On/Off Control (through COMP Pin) • Power Good Output • Pb−Free Package is Available* http://onsemi.
com MARKING DIAGRAM SO−32WB CASE 751P DW SUFFIX 32 1 CS5301 AWLYYWWG 32 1 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package PIN CONNECTIONS 1 COMP VFB VDRP CS1 CS2 CS3 CSREF PWRGD VID0 VID1 VID2 VID3 VID4 PWRGDS ILIM REF 32 ROSC VCCL VCCL1 GATE(L)1 GND1 Gate(H)1 VCCH12 Gate(H)2 GND2 Gate(L)2 VCCL23 Gate(L)3 GND3 Gate(H)3 VCCH3 LGND *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006 Feb...


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