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CS5303

ON Semiconductor
Part Number CS5303
Manufacturer ON Semiconductor
Description Three-Phase Buck Controller
Published Jan 12, 2007
Detailed Description CS5303 Three−Phase Buck Controller with Integrated Gate Drivers The CS5303 is a three−phase step down controller which ...
Datasheet PDF File CS5303 PDF File

CS5303
CS5303

Overview
CS5303 Three−Phase Buck Controller with Integrated Gate Drivers The CS5303 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 V2™ control architecture provides the fastest possible transient response, excellent overall regulation, and ease of use.
The CS5303 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.
0% 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) http://onsemi.
com 28 1 SO−28L DW SUFFIX CASE 751F MARKING DIAGRAM 28 CS5303 AWLYYWW 1 A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week PIN CONNECTIONS 1 COMP VFB VDRP CS1 CS2 CS3 CSREF VID0 VID1 VID2 VID3 VID4 ILIM REF 28 ROSC VCCLL1 Gate(L)1 Gnd1 Gate(H)1 VCCH12 Gate(H)2 GndL2 Gate(L)2 VCCL23 Gate(L)3 Gnd3 Gate(H)3 VCCH3 ORDERING INFORMATION Device Package Shipping CS5303GDW28 SO−28L 27 Units/Rail CS5303GDWR28 SO−28L 1000 Tape & Reel © Semiconductor Components Industries, LLC, 2006 1 July, 2006 − Rev.
14 Publication Order Number: CS5303/D CS5303 +12 V +5.
0 V D1 BAT54S D2 BAS16LT1 C12 1 nF R10 10 k C1 1 μF C3 1 μF R9 R...


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