isl8120 Intersil Corporation, isl8120 Datasheet - Page 11

• Manufacturer Part Number: isl8120
• Description: Dual/n-phase Buck Pwm Controller With Integrated Drivers
• Manufacturer: Intersil Corporation

Typical Application VII (6 Phase Operation with DCR Sensing)
+2.97V TO +22V
VIN_F
VIN_F
VIN_F
L
L
L
OUT6
OUT5
OUT4
R
R
R
C
C
C
ISEN5
ISEN6
ISEN4
BOOT6
BOOT5
BOOT4
C
C
C
F3
F3
F3
Q4
Q4
Q4
VIN
VCC
GND
Q3
Q3
Q3
11
GND
VCC
GND
VCC
C
C
C
F1
F1
F1
EN/FF1,2
EN/FF1,2
EN/FF1,2
PHASE2
PGOOD
PHASE2
UGATE2
UGATE2
UGATE2
PHASE2
VSEN2+
VSEN2-
LGATE2
LGATE2
LGATE2
VSEN2+
ISEN2A
ISEN2A
PGOOD
ISEN2B
ISEN2B
ISEN2A
ISEN2B
VSEN2-
BOOT2
BOOT2
VSEN2+
PGOOD
VSEN2-
BOOT2
FSYNC
FB2
FB2
FB2
VIN
VIN
VIN
CLKOUT/REFIN
PHASE 3 AND 6
PHASE 2 AND 5
PHASE 1 AND 4
VCC
VCC
VCC
ISL8120
ISL8120
ISL8120
GND
GND
GND
R
R
R
CC
CC
CC
ISL8120
PVCC
PVCC
PVCC
PHASE1
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
VMON1
FB1
COMP1/2
VMON2
VSEN1+
VSEN1-
ISHARE
CLKOUT/REFIN
ISET
BOOT1
UGATE1
LGATE1
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
COMP1/2
FB1
VMON1/2
VSEN1+
VSEN1-
CLKOUT/REFIN
FSYNC
ISHARE
ISET
ISEN1A
ISEN1B
COMP1/2
FB1
VMON1/2
VSEN1+
VSEN1-
ISET
FSYNC
ISHARE
L
R
R
IN
R
R
C
C
C
OS1
F2
F2
F2
VCC
VCC
VIN_F
VIN_F
Z
C
Q2
Q2
COMP1
VIN_F
Q2
Q1
Q1
Q1
IN
C
C
C
BOOT3
BOOT2
BOOT1
Z
FB1
R
R
R
L
L
L
R
OS1
R
OUT2
OUT3
OUT1
FB1
R
R
R
ISEN3
ISEN2
ISEN1
R
C
FB1
SEN1
C
10Ω
V
V
V
OUT1
OUT1
SENSE1-
SENSE1+
10Ω
March 28, 2008
FN6641.0