ISL8120IRZ-TEC Intersil, ISL8120IRZ-TEC Datasheet - Page 20

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

Specifications of ISL8120IRZ-TEC

• 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

NOTE: “2ND CHANNEL WRT 1ST” is referred to as “channel 2 lag channel 1 by the degrees specified by the number in the corresponding table cells”.
For example, 90° with 2ND CHANNEL WRT 1ST means channel 2 lags channel 1 by 90°; -60° with 2ND CHANNEL WRT 1ST means channel 2 leads
channel 1 by 60°.
MODE
2A
2B
3A
3B
3C
5A
5B
5C
5D
7A
7B
7C
1
4
6
8
9
EN1/
FF1
(I)
0
0
1
-
-
-
-
-
-
-
-
-
-
-
-
1ST IC (I = INPUT; O = OUTPUT; I/O = INPUT AND OUTPUT, Bi-DIRECTION)
EN2/
FF2
(I)
0
1
0
-
-
-
-
-
-
-
-
-
-
-
-
VSEN2-
ACTIVE ACTIVE ACTIVE
<VCC -
<VCC -
<VCC -
<VCC-
0.7V
0.7V
0.7V
0.7V
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
(I)
-
-
Cascaded IC Operation MODEs 5A+5A+7A+5A+5A+5A/7A, No External Clock Required
ACTIVE ACTIVE 29% to 45% of
ACTIVE ACTIVE 45% to 62% of
ACTIVE ACTIVE > 62% of VCC (I)
ACTIVE ACTIVE < 29% of VCC (I)
FB2 (I)
GND
GND
GND
GND
VCC
VCC
VCC
VCC
External Clock or External Logic Circuits Required for Equal Phase Interval
20
-
-
VSEN2
GND
VCC
VCC
VCC
+ (I)
-
-
-
-
-
-
CLKOUT/REFIN
WRT 1ST
VCC (I)
VCC (I)
(I or O)
120°
60°
60°
60°
60°
90°
90°
90°
-
-
-
ISL8120IRZEC
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
TABLE 1.
REPRESENTS
1
1
1
1
1
CHANNEL(S)
ISHARE (I/O)
ST
ST
ST
ST
ST
CURRENT
WHICH
CHANNEL
CHANNEL
CHANNEL
CHANNEL
CHANNEL
N/A
-
VMON2 to Keep
VMON2 to Keep
2ND CHANNEL
WRT 1ST (O)
PGOOD Valid
PGOOD Valid
VMON1 =
VMON1 =
(Note)
180°
180°
180°
180°
180°
240°
180°
180°
180°
-60°
90°
0°
-
OPERATION
MODES OF OPERATION
of 2
5A or 7A
5A or 7A
MODE
3, 4
5A
5A
5A
2B
ND
-
-
-
-
-
-
-
-
IC
OPERATION
of 3
5A or 7A
5A or 7A
MODE
3 or 4
RD
-
-
-
-
-
-
-
-
-
-
-
-
IC
(1st IC in Mode
(1st IC in Mode
OUTPUT (See
11, or (PHASE
REGULATOR
REGULATOR
REGULATOR
5, 7, 8, 9, 10,
Description
DDR MODE
April 21, 2009
3 OUTPUTs
4 OUTPUTs
2 OUTPUTs
3 OUTPUTs
for Details)
DISABLED
12-PHASE
2-PHASE
6-PHASE
3-PHASE
4-PHASE
SINGLE
SINGLE
PHASE
PHASE
DUAL
DUAL
DUAL
FN6763.1
>12)
7A)
7A)