ISL6260CCRZ Datasheet, PDF (16/28 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6+ Mobile CPUs

Functional Block Diagram
RBIAS
PMON
PGOOD
3V3 CLK_EN# VIN
ISEN1 ISEN2 ISEN3
VDD
VID0
VID1
VID2
VID3
VID4
VID5
VID6
FCCM
VR_ON
PSI#
DPRSLPVR
DPRSTP#
OCSET
VSUM
DFB
DROOP
VO
VIN
DAC
Dacout
PROTECTION
IBAL _{VDIFF OC}
FLT
POWER
GOOD
MONITOR
CLK_EN#
LOGIC
IBAL
MODE
CONTROL
VO
MODE
CONTROL
SOFT
10µA
NUMBER OF
PHASES
GAIN SELECT)
FAST_OC OR
-
WAY-OC
+
MULTIPLIER
2X
VO VSEN
-
OC
+
OC VIN VO
MODULATOR
OC VIN VO
MODULATOR
+
DROOP
-
OC VIN VO
+
1
-
+
VO
VSEN ₊
+
-1
VO VSEN RTN
+
E/A
-
CLOCK
VIN VO
MODULATOR
NUMBER OF PHASES
MODE
CONTROL
VDIFF SOFT FB
COMP
VW
GND
FIGURE 41. SIMPLIFIED BLOCK DIAGRAM
CURRENT
BALANCE
54µA 6µA
1.20V _-
+
1.24V
FLT
FLT
FLT
CHANNEL
SELECT
NTC
VR_TT#
PWM1
PWM2
PWM3