ISL6277A Datasheet, PDF (8/38 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion Mobile CPUs Using SVI 2.0

Block Diagram
ISL6277A
VSEN
COMP_NB
FB_NB
ISUMP_NB
ISUMN_NB
ISEN1_NB
ISEN2_NB
NTC_NB
NTC
VR_HOT_L
ENABLE
PWROK
SVC
SVD
SVT
VDDIO
COMP
VSEN
RTN
FB
FB2
ISUMP
ISUMN
ISEN3
ISEN2
ISEN1
RTN
+
_
+
+_Σ
+
E/A
_
IDROOP_NB
CURRENT
SENSE
CURRENT
BALANCING
TEMP
MONITOR
NB_V
T_MONITOR
VOLTAGE
A/D
OFFSET
FREQ
SLEWRATE
CONFIG
DIGITAL
INTERFACE
PROG
IDROOP_NB
A/D IDROOP
DAC2
D/A DAC1
TELEMETRY
CORE_I
NB_I
CORE_V
NB_V
CORE_I
NB_I
CURRENT
A/D
VR2
MODULATOR
OC FAULT
IBAL FAULT
OV FAULT
FLOATING
DRIVER &
PWM
CONFIG
LOGIC
DRIVER
DRIVER
DRIVER
FB2
CIRCUIT
+
_
+
+_Σ
+
E/A
_
IDROOP
CURRENT
SENSE
CURRENT
BALANCING
VOLTAGE
A/D
CORE_V
VR1
MODULATOR
OC FAULT
IBAL FAULT
OV FAULT
DRIVER
DRIVER
DRIVER
GND
8
IMON
IMON_NB
PWM2_NB
VDD
PGOOD_NB
BOOTX
UGATEX
PHASEX
LGATEX
PWM_Y
VCCP
BOOT2
UGATE2
PHASE2
LGATE2
BOOT1
UGATE1
PHASE1
LGATE1
PGOOD
FN8322.0
December 19, 2012