ISL8120CRZ Intersil, ISL8120CRZ Datasheet - Page 22

• Manufacturer Part Number: ISL8120CRZ
• Description: IC CTRLR PWM 2PHASE W/DVR 32-QFN
• Manufacturer: Intersil

Specifications of ISL8120CRZ

• 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: 0°C ~ 70°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Frequency-max: 1.5MHz
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CH2 UG(2
CLKOUT (1
CLKOUT (1
CH1 UG (2
CH2 UG (2
CH1 UG (2
CH1 UG (1
CH2 UG (1
CH1 UG (1
CH2 UG (1
VCC
ND
700mV
IC, OFF, EN2/FF2 = 0)
ND
ND
ND
ST
ST
ST
ST
ST
ST
IC)
IC)
IC)
IC)
IC)
IC)
IC)
IC)
IC)
VSEN2- VSEN2+
D
D
22
AMP2
DIFF
FIGURE 3. SIMPLIFIED RELATIVE PHASES CONTROL
120°
90°
90°
120°
VMON2
PWM CONTROL
D
D
180°
240°
CHANNEL 1
BLOCK
V
4 PHASE TIMING DIAGRAM (MODE 7A)
3-PHASE TIMING DIAGRAM (MODE 6)
REF2
= V
REF
COMP2
UV/OV
RELATIVE PHASES CONTROL
1-D
1-D
D
180°
D
ISL8120
CLOCK GENERATOR
FB2
AND
1-D
ERROR
AMP2
D
COMP2
50%
PWM CONTROL
CHANNEL 2
BLOCK
50%
CLKOUT/REFIN
March 20, 2009
FN6641.0