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ISL6524 Datasheet, PDF (3/16 Pages) Intersil Corporation – VRM8.5 PWM and Triple Linear Power System Controller
+5VIN
Q3
VOUT2
+3.3VIN
Q4
VOUT3
LINEAR
CONTROLLER
PWM1
CONTROLLER
ISL6524
LINEAR
CONTROLLER
LINEAR
CONTROLLER
Q1
VOUT1
Q2
Q5
VOUT4
FIGURE 2. SIMPLIFIED POWER SYSTEM DIAGRAM
+12VIN
+5VIN
LIN
CIN
VCC
VOUT2
1.2V
COUT2
Q3
DRIVE2
FAULT/RT
FIX
VSEN2
OCSET
PGOOD
UGATE
PHASE
LGATE
PGND
POWERGOOD
Q1
LOUT1
VOUT1
1.3V to 3.5V
Q2
COUT1
VTT POWERGOOD
+3.3VIN
VOUT3
1.5V
COUT3
VOUT4
1.8V
COUT4
VTTPG
VAUX
Q4
DRIVE3
VSEN3
DRIVE4
Q5
VSEN4
SS24
CSS24
ISL6524
VSEN1
FB
COMP
GND
VID3
VID2
VID1
VID0
VID25
SS13
CSS13
FIGURE 3. TYPICAL APPLICATION
3
FN9015.3
April 18, 2005