ISL6333 Datasheet, PDF (12/40 Pages) Intersil Corporation – Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications

ISL6333, ISL6333A, ISL6333B, ISL6333C
Typical Application Diagram - ISL6333A, ISL6333C
+5V
RGND
VDIFF
DVC
RGND VSEN
+5V VCC
RSET
FB
IDROOP
PVCC1
PVCC2
COMP
APA
VCC
OFS
FS
REF
IMON
SS
PUVCC
BOOT1
UGATE1
PHASE1
1.8Ω
LGATE1
ISEN1-
ISEN1+
ISL6333A
PVCC3
BOOT2
UGATE2
PHASE2
1.8Ω
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
CPURST_N
PSI#
VR_RDY
LGATE2
ISEN2-
ISEN2+
BOOT3
UGATE3
PHASE3
1.8Ω
EN
GND
LGATE3
ISEN3-
ISEN3+
+12V
+12V
+12V
LOAD
*NOTE: ISL6333A - Connect the IDROOP pin to the FB pin. The CPURST_N pin does not exist.
*NOTE: ISL6333C - The CPURST_N pin should connect to the CPURST_N signal. The IDROOP pin does not exist.
12
FN6520.3
October 8, 2010