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ISL6217CVZA View Datasheet(PDF) - Intersil

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ISL6217CVZA Datasheet PDF : 19 Pages
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ISL6217
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
+5VDC
+5VDC
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.
Vbattery
VR_ON
DPRSLPVR
STP_CPU#
VID
PWRGD
VDD
VBAT
DACOUT
ISEN1
DSV
PHASE1
FSET
UG1
PWRCH
BOOT1
EN
VSSP1
DRSEN
LG1
DSEN#
VID0
VID1
VDDP
ISL6217 LG2
TSSOP VSSP2
VID2
BOOT2
VID3
UG2
VID4
PHASE2
VID5
PGOOD
ISEN2
VSEN
EA+
DRSV
COMP
STV
FB
OCSET
SOFT
VSS
+Vcc_core
FIGURE 1. TYPICAL APPLICATION CIRCUIT FOR ISL6217 MULTIPHASE PWM CONTROLLER
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