参数资料
型号: ISL8126IRZ
厂商: Intersil
文件页数: 23/39页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32-QFN
标准包装: 60
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 ~ 5.6 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 管件
ISL8126
TABLE 2.
1ST IC (I = INPUT; O = OUTPUT; I/O = INPUT AND OUTPUT, BI-DIRECTION)
MODES OF OPERATION
ISHARE (I/O)
OPERATION
OPERATION
OUTPUT (See
MODE
EN/
VFF1
EN/
VFF2
VSEN2- (I)
FB2 (I)
VSEN2+
(I)
CLKOUT/REFIN
WRT 1ST (I or O)
REPRESENTS WHICH 2ND CHANNEL WRT
CHANNEL(S) CURRENT 1ST (O) (NOTE 10)
MODE
of 2 ND IC
MODE
of 3 RD IC
Description for
Details)
1
2A
2B
<0.8V
<0.8V
>0.8V
<0.8V
>0.8V
<0.8V
-
ACTIVE
-
-
ACTIVE
-
-
ACTIVE
-
-
-
-
-
N/A
1 ST CHANNEL
-
-
-
-
-
-
-
-
-
DISABLED
SINGLE PHASE
SINGLE PHASE
3A
>0.8V
>0.8V <VCC -0.4V
ACTIVE
ACTIVE
29% to 45% of VCC
1 ST CHANNEL
-
-
DUAL REGULATOR
(I)
3B
>0.8V
>0.8V <VCC -0.4V
ACTIVE
ACTIVE
45% to 62% of VCC
1 ST CHANNEL
90°
-
-
DUAL REGULATOR
(I)
3C
4
>0.8V
>0.8V
>0.8V <VCC -0.4V
>0.8V <VCC-0.4V
ACTIVE
ACTIVE
ACTIVE
ACTIVE
> 62% of VCC (I)
< 29% of VCC (I)
1 ST CHANNEL
1 ST CHANNEL
180°
-60°
-
-
-
-
DUAL REGULATOR
DDR MODE
5A
NOTE
NOTE
VCC
GND
VCC/GND
60°
Average
180°
-
-
2-PHASE
of Channel 1 & 2
5B
NOTE
NOTE
VCC
GND
VCC/GND
60°
Average
180°
5A
5A or 7A
6-PHASE
of Channel 1 & 2
5C
NOTE
NOTE
VCC
GND
VCC/GND
60°
Average
180°
5A
5A or 7A
3 OUTPUTs
of Channel 1 & 2
5D
NOTE
NOTE
VCC
GND
VCC/GND
60°
Average
180°
5A
3 or 4
4 OUTPUTs
of Channel 1 & 2
6
NOTE
NOTE
VCC
VCC
GND
120°
Average
240°
2B
-
3-PHASE
of Channel 1 & 2
7A
NOTE
NOTE
VCC
VCC
VCC
90°
Average
180°
5A or 7A
-
4-PHASE
of Channel 1 & 2
7B
NOTE
NOTE
VCC
VCC
VCC
90°
Average
180°
5A or 7A
-
2 OUTPUTs
of Channel 1 & 2
(1st IC in Mode 7A)
7C
NOTE
NOTE
VCC
VCC
VCC
90°
Average
180°
3, 4
-
3 OUTPUTs
of Channel 1 & 2
(1st IC in Mode 7A)
8
NOTE
NOTE
Cascaded IC Operation MODEs 5A+5A+7A+5A+5A+5A/7A, No External Clock Required
12-PHASE
9
NOTE
NOTE
External Clock or External Logic Circuits Required for Equal Phase Interval
5, 7, 8, 9, 10, 11,
or (PHASE >12)
NOTES:
10. “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°.
11. All EN/VFF pins are tied together.
23
FN7892.1
August 16, 2012
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