ISL6561 Datasheet, PDF (5/26 Pages) Intersil Corporation – Multi-Phase PWM Controller with Precision Rds(on) or DCR Differential Current Sensing for VR10.X Application

ISL6561
Typical Application - 4-Phase Buck Converter with r_DS(ON) Sensing and Internal PTC
+5V
FB
COMP REF
IDROOP
VDIFF
DAC
VIDPGOOD
VSEN
RGND
ENLL
VCC
PGOOD
OVP
VID4
VID3
ISL6561
ISEN1+
ISEN1-
PWM1
VID2
PWM2
VID1
VID0
ISEN2+
ISEN2-
PWM3
VID12.5
ISEN3+
ISEN3-
OFS
PWM4
FS
ISEN4+
ISEN4-
RT _{TCOMP GND EN}
+12V
+12V
VCC
VIN
BOOT
UGATE
PVCC
PWM
HIP6601B
DRIVER
PHASE
LGATE
GND
+12V
VCC
BOOT
VIN
PVCC
PWM
HIP6601B
DRIVER
UGATE
PHASE
LGATE
GND
+12V
VIN
VCC
PVCC
PWM
BOOT
UGATE
HIP6601B
DRIVER
PHASE
LGATE
GND
µP
LOAD
+12V
VCC
VIN
BOOT
UGATE
PVCC
PWM
PHASE
HIP6601B
DRIVER
LGATE
GND
5
FN9098.5
May 12, 2005