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CS5166H Dataheets PDF



Part Number CS5166H
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description 5-Bit Synchronous CPU Controller
Datasheet CS5166H DatasheetCS5166H Datasheet (PDF)

CS5166H 5−Bit Synchronous CPU Controller with Power Good and Current Limit The CS5166H is a synchronous dual NFET buck controller. It is designed to power the core logic of the latest high performance CPUs. It uses V2™ control method to achieve the fastest possible transient response and best overall regulation. It incorporates many additional features required to ensure the proper operation and protection of the CPU and power system. The CS5166H provides the industry’s most highly integrated s.

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CS5166H 5−Bit Synchronous CPU Controller with Power Good and Current Limit The CS5166H is a synchronous dual NFET buck controller. It is designed to power the core logic of the latest high performance CPUs. It uses V2™ control method to achieve the fastest possible transient response and best overall regulation. It incorporates many additional features required to ensure the proper operation and protection of the CPU and power system. The CS5166H provides the industry’s most highly integrated solution, minimizing external component count, total solution size, and cost. The CS5166H is specifically designed to power Intel’s Pentium®II processor and includes the following features: 5−bit DAC with 1.0% tolerance, Power Good output, adjustable hiccup mode overcurrent protection, VCC monitor, Soft Start, adaptive voltage positioning, overvoltage protection, remote sense and current sharing capability. The CS5166H will operate over a 4.15 to 20 V range using either single or dual input voltage and is available in a 16 lead wide body surface mount package. Features • V2 Control Topology • Dual N−Channel Design • 125 ns Controller Transient Response • Excess of 1.0 MHz Operation • 5−Bit DAC with 1.0% Tolerance • Power Good Output With Internal Delay • Adjustable Hiccup Mode Overcurrent Protection • Complete Pentium II System Requires Just 21 Components • 5.0 V & 12 V Operation Using Either Dual or Single Supplies • Adaptive Voltage Positioning • Remote Sense Capability • Current Sharing Capability • VCC Monitor • Overvoltage Protection (OVP) • Programmable Soft Start • 200 ns PWM Blanking • 65 ns FET Nonoverlap Time • 40 ns Gate Rise and Fall Times (3.3 nF Load) http://onsemi.com 16 1 SO−16L DW SUFFIX CASE 751G MARKING DIAGRAM 16 CS5166H AWLYYWW 1 A WL, L YY, Y WW, W = Assembly Location = Wafer Lot = Year = Work Week PIN CONNECTIONS 1 VID0 VID1 VID2 VID3 SS VID4 COFF ISENSE 16 VFB COMP LGND PWRGD GATE(L) PGND GATE(H) VCC ORDERING INFORMATION Device Package Shipping CS5166HGDW16 SO−16L 46 Units/Rail CS5166HGDWR16 SO−16L 1000 Tape & Reel © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 3 1 Publication Order Number: CS5166H/D 12 V 1.0 μF 330 pF 0.1 μF 0.1 μF COFF VCC SS COMP GATE(H) ISENSE CS5166H VID0 VID1 VID2 VID3 GATE(L) PGND LGND VID4 PWRGD VFB CS5166H 5.0 V 1200 μF/10 V × 3 1.2 μH 3.0 mΩ 510 0.1 μF 3.3 k 1000 pF VCC 1200 μF/10 V × 5 PWRGD VID4 VID3 VID2 VID1 VID0 Pentium II System Figure 1. Application Diagram, 5.0 V to 2.8 V @ 14.2 A for 300 MHz Pentium II ABSOLUTE MAXIMUM RATINGS* Rating Operating Junction Temperature, TJ Lead Temperature Soldering: Storage Temperature Range, TS 1. 60 second maximum above 183°C. *The maximum package power dissipation must be observed. Reflow: (SMD styles only) (Note 1) Value 0 to 150 230 peak −65 to +150 Unit °C °C °C http://onsemi.com 2 CS5166H ABSOLUTE MAXIMUM RATINGS Pin Name Pin Symbol IC Power Input Soft Start Capacitor VCC SS Compensation Capacitor COMP Voltage Feedback and Current Sense Comparator Input VFB Off−Time Capacitor Voltage ID DAC Inputs High−Side FET Driver COFF VID0−VID4 GATE(H) Low−Side FET Driver GATE(L) Current Sense Comparator Input Power Good Output ISENSE PWRGD Power Ground PGND Logic Ground LGND VMAX 20 V 6.0 V 6.0 V 6.0 V 6.0 V 6.0 V 20 V 20 V 6.0 V 6.0 V 0V 0V VMIN −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V −0.3 V 0V 0V ISOURCE N/A 200 μA 10 mA 1.0 mA ISINK 1.5 A peak, 200 mA DC 10 μA 1.0 mA 1.0 mA 1.0 mA 1.0 mA 1.5 A peak, 200 mA DC 1.5 A peak, 200 mA DC 1.0 mA 10 μA 1.5 A peak, 200 mA DC 100 mA 50 mA 10 μA 1.5 A peak, 200 mA DC 1.5 A peak, 200 mA DC 1.0 mA 30 mA N/A N/A ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; 8.0 V < VCC < 20 V; 2.0 DAC Code: (VID4 = VID3 = VID2 = VID1 = 0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3 nF; COFF = 330 pF; CSS = 0.1 μF, unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit VCC Supply Current Operating 1.0 V < VFB < VDAC (max on−time), No Loads on GATE(H) and GATE(L) − 12 20 mA VCC Monitor Start Threshold GATE(H) switching 3.75 3.95 4.15 V Stop Threshold GATE(H) not switching 3.65 3.87 4.05 V Hysteresis Start−Stop − 80 − mV Error Amplifier VFB Bias Current COMP Source Current COMP CLAMP Voltage VFB = 0 V COMP = 1.2 V to 3.6 V; VFB = 1.9 V VFB = 1.9 V, Adjust COMP voltage for Comp current = 60 μA − 0.1 1.0 μA 15 30 60 μA 0.85 1.0 1.15 V COMP Clamp Current COMP = 0 V 0.4 1.0 1.6 mA COMP Sink Current Open Loop Gain VCOMP = 1.2 V; VFB = 2.2 V; VSS > 2.5 V Note 2 180 400 800 μA 50 60 − dB Unity Gain Bandwidth Note 2 0.5 2.0 − MHz PSRR @ 1.0 kHz Note 2 60 85 − dB Overcurrent Detection Current Limit Voltage VFB = 0 V to 3.5 V, 8.0 V < VCC < 12 V + 10% 55 76 130 mV ISENSE Bias Current ISENSE = 2.8 V 13 30 50 μA 2. Guaranteed by design, not 100% tested in production. http://onsemi.com 3 CS5166H ELECTRICAL CHARACTERISTICS (continued) (0°.


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