参数资料
型号: ISL8120CRZ-T
厂商: Intersil
文件页数: 21/35页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32-QFN
标准包装: 6,000
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1.5MHz
占空比: 90%
电源电压: 3 V ~ 22 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL8120
TABLE 1.
1ST IC (I = INPUT; O = OUTPUT; I/O = INPUT AND OUTPUT, Bi-DIRECTION)
ISHARE (I/O)
REPRESENTS
MODES OF OPERATION
EN1/ EN2/
CLKOUT/REFIN
WHICH
OPERATION OPERATION OUTPUT (See
FF1
FF2
VSEN2-
VSEN2
WRT 1ST
CHANNEL(S)
2ND CHANNEL
MODE
MODE
Description
MODE
(I)
(I)
(I) FB2 (I)
+ (I)
(I or O)
CURRENT
WRT 1ST (O)*
of 2 ND IC
of 3 RD IC
for Details)
1
0
0
-
-
-
-
-
-
-
-
DISABLED
2A
0
1
ACTIVE ACTIVE ACTIVE
-
N/A
VMON1 =
-
-
SINGLE
VMON2 to Keep
PGOOD Valid
PHASE
2B
1
0
-
-
-
-
1 ST CHANNEL
VMON1 =
-
-
SINGLE
VMON2 to Keep
PGOOD Valid
PHASE
3A
-
-
<VCC - ACTIVE ACTIVE 29% to 45% of
1 ST CHANNEL
-
-
DUAL
0.7V
VCC (I)
REGULATOR
3B
-
-
<VCC - ACTIVE ACTIVE 45% to 62% of
1 ST CHANNEL
90°
-
-
DUAL
0.7V
VCC (I)
REGULATOR
3C
-
-
<VCC - ACTIVE ACTIVE > 62% of VCC (I)
1 ST CHANNEL
180°
-
-
DUAL
0.7V
REGULATOR
4
-
-
<VCC-
ACTIVE ACTIVE < 29% of VCC (I)
1 ST CHANNEL
-60°
-
-
DDR MODE
0.7V
5A
5B
5C
5D
6
7A
7B
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
VCC
VCC
VCC
-
-
-
-
GND
VCC
VCC
60°
60°
60°
60°
120°
90°
90°
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
BOTH CHANNELS
180°
180°
180°
180°
240°
180°
180°
-
5A
5A
5A
2B
5A or 7A
5A or 7A
-
5A or 7A
5A or 7A
3 or 4
-
-
-
2-PHASE
6-PHASE
3 OUTPUTs
4 OUTPUTs
3-PHASE
4-PHASE
2 OUTPUTs
(1st IC in Mode
7A)
7C
-
-
VCC
VCC
VCC
90°
BOTH CHANNELS
180°
3, 4
-
3 OUTPUTs
(1st IC in Mode
7A)
8
9
Cascaded IC Operation MODEs 5A+5A+7A+5A+5A+5A/7A, No External Clock Required
External Clock or External Logic Circuits Required for Equal Phase Interval
12-PHASE
5, 7, 8, 9, 10,
11, or (PHASE
>12)
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 degree; -60° with 2ND CHANNEL WRT 1ST means channel 2
leads channel 1 by 60 degree.
21
March 20, 2009
FN6641.0
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