ISL8120IRZ-T Intersil, ISL8120IRZ-T Datasheet - Page 8

• 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 IV (3-Phase Regulator with Precision Resistor Sensing)
R
ISEN3
+3V TO +22V
VIN_F
C
L
C
OUT3
F3
BOOT3
8
C
GND
F3
Q4
GND
VIN
Q3
VCC
VCC
C
C
F1
F1
EN/FF1
EN/FF2
EN/FF1,2
PHASE2
UGATE2
LGATE2
VSEN2+
PGOOD
ISEN2A
ISEN2B
VSEN2-
BOOT2
R
FB2
FS
VIN
CLKOUT/REFIN
PGOOD
BOOT2
UGATE2
PHASE2
LGATE2
ISEN2A
ISEN2B
FB2
VMON2
VSEN2+
VSEN2-
VIN
FSYNC
EN/FF1,2
PHASE 1 AND 3
VCC
VCC
ISL8120IRZEC
ISL8120IRZEC
ISL8120IRZEC
PHASE 2
GND
R
R
CC
CC
GND
PVCC
PVCC
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
COMP1
FB1
VMON1
VSEN1+
VSEN1-
FSYNC
ISHARE
ISET
BOOT1
UGATE1
PHASE1
LGATE1
ISEN1A
ISEN1B
COMP1/2
FB1
VMON1/2
VSEN1+
VSEN1-
ISHARE
CLKOUT/REFIN
ISET
L
IN
R
R
C
C
F2
F2
VCC
Z
VIN_F
COMP1
C
Q2
Q2
Q1
Q1
R
R
IN
ISEN1
ISEN1
R
VIN_F
R
OS1
C
C
L
BOOT2
BOOT1
L
R
OUT1
OUT2
Z
R
FB1
FB1
C
SEN1
R
ISEN2
C
OUT
10Ω
V
V
V
OUT
SENSE1-
SENSE1+
April 21, 2009
10Ω
FN6763.1