ISL8120IRZ-T Intersil, ISL8120IRZ-T Datasheet - Page 9

• Manufacturer Part Number: ISL8120IRZ-T
• Description: IC CTRLR PWM 2/NPHASE 32-QFN
• Manufacturer: Intersil

Specifications of ISL8120IRZ-T

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 1.5MHz
• Duty Cycle: 90%
• Voltage - Supply: 3 V ~ 22 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 1.5MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Application V (4 Phase Operation with DCR Sensing)
+3V TO +22V
VIN_F
VIN_F
L
L
R
OUT4
C
OUT3
R
ISEN3
F3
C
ISEN4
C
BOOT4
BOOT3
VCC
C
F3
VCC
VCC
Q4
Q4
VCC
Q3
Q3
VCC
VCC
VIN
9
C
C
F1
F1
VSEN1,2+
EN/FF1,2
VSEN1,2-
EN/FF1,2
PHASE2
PHASE2
UGATE2
UGATE2
LGATE2
LGATE2
VSEN2+
PGOOD
PGOOD
ISEN2A
ISEN2A
ISEN2B
ISEN2B
VSEN2-
BOOT2
BOOT2
R
FB2
FS
FB2
VIN
VIN
CLKOUT/REFIN
FSYNC
VCC
VCC
PHASE 1 AND 3
PHASE 2 AND 4
ISL8120IRZEC
ISL8120IRZEC
GND
ISL8120IRZEC
R
R
CC
CC
GND
PVCC
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
COMP1/2
FB1
VMON1/2
VSEN1+
VSEN1-
ISHARE
CLKOUT/REFIN
ISET
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
COMP1/2
FB1
VMON1/2
ISET
FSYNC
ISHARE
L
IN
R
R
C
C
F2
F2
Z
COMP1
C
VIN_F
Q2
Q2
Q1
Q1
VIN_F
2ND DIVIDER TO AVOID
SINGLE POINT FAILURE
IN
R
C
C
OS1
R
BOOT2
BOOT1
R
R
R
R
OS1
ISEN2
FB1
Z
L
L
R
FB1
OUT2
OUT1
FB1
R
C
ISEN1
C
SEN1
OS
10
C
V
V
V
OUT
OUT1
Ω
SENSE1-
SENSE1+
April 21, 2009
FN6763.1
10
Ω