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ISL6217CVZA Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL6217CVZA Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 19 page ISL6217 4 Typical Application - 2-Phase Converter Figure 1 shows a 2-Phase Synchronous Buck Converter circuit used to provide “CORE” voltage regulation for the Intel Pentium“ IV mobile processor using IMVP-IV™ and IMVP-IV+™ voltage positioning. The ISL6217 PWM controller can be configured for two or one channel operation, and the ISL6217 can change the number of power channels in operation, dynamically. The number of channels of operation can be changed through the PWRCH pin. The ISL6217 can be configured for two channel operation in “Active” mode and one channel operation in “Deep” and “Deeper Sleep” modes through logic connections to the PWRCH pin. The following configuration uses two channel operation in “Active” mode and one channel operation in “Deep” and “Deeper Sleep” modes. The circuit shows pin connections for the ISL6217 PWM controller in the 38 lead TSSOP package. VDD DACOUT DSV FSET PWRCH EN DRSEN DSEN# VID0 VID1 VID2 VID3 VID4 VID5 PGOOD EA+ COMP FB SOFT VBAT ISEN1 PHASE1 UG1 BOOT1 VSSP1 LG1 VDDP LG2 VSSP2 BOOT2 UG2 PHASE2 ISEN2 VSEN DRSV STV OCSET VSS ISL6217 TSSOP VR_ON DPRSLPVR STP_CPU# VID PWRGD Vbattery +5VDC +5VDC +Vcc_core FIGURE 1. TYPICAL APPLICATION CIRCUIT FOR ISL6217 MULTIPHASE PWM CONTROLLER |
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