参数资料
型号: ISL6422ERZ-T
厂商: Intersil
文件页数: 14/19页
文件大小: 0K
描述: IC VREG DUAL LNB W/I2C 40-QFN
标准包装: 4,000
应用: 转换器,卫星信号接收机顶盒设计
输入电压: 8 V ~ 14 V
输出数: 2
输出电压: 13.3 V ~ 18.3 V,14.3 V ~ 19.3 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘
供应商设备封装: 40-QFN(6x6)
包装: 带卷 (TR)
ISL6422
TABLE 13. COMMAND REGISTER SR3 CONFIGURATION
SR3H
SR3M
SR3L
DCL1
VSPEN1 ISEL1R ISEL1H ISEL1L
FUNCTION
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
1
0
X
X
X
X
X
X
X
X
X
X
0
1
X
0
1
1
1
1
X
X
X
X
X
X
0
0
1
1
X
X
X
X
X
X
0
1
0
1
X
X
X
SR3 is selected
I OUT1 = 275mA maximum
I OUT1 = 350mA maximum
I OUT1 = 515mA maximum
I OUT1 = 635mA maximum
I OUT1 = 800mA maximum
Dynamic current limit NOT selected
Dynamic current limit selected
SELVTOP H/W pin Enabled
SELVTOP H/W pin Disabled
NOTE: X is a “Don’t Care” for the Write mode.
TABLE 14. CONTROL REGISTER SR4 CONFIGURATION
SR4H
0
0
SR4M
1
1
SR4L
1
1
EN1
1
1
X
X
X
X
X
X
VTOP1
0
0
VBOT1
0
0
FUNCTION
SR4 is selected
VSPEN1 = SELVTOP1 = 0, V OUT1 = 13V,
V BOOST1 = 13V + V DROP
0
1
1
1
X
X
0
1
VSPEN1 = SELVTOP1 = 0, V OUT1 = 14V,
V BOOST1 = 14V + V DROP
0
1
1
1
X
X
1
0
VSPEN1 = SELVTOP1 = 0, V OUT1 = 13V,
V BOOST1 = 13V + V DROP
0
1
1
1
X
X
1
1
VSPEN1 = SELVTOP1 = 0, V OUT1 = 14V,
V BOOST1 = 14V + V DROP
0
1
1
1
X
X
0
0
VSPEN1 = 0, SELVTOP1 = 1, V OUT1 = 18V,
V BOOST1 = 18V + V DROP
0
1
1
1
X
X
0
1
VSPEN1 = 0, SELVTOP1 = 1, V OUT1 = 18V,
V BOOST1 = 18V + V DROP
0
1
1
1
X
X
1
0
VSPEN1 = 0, SELVTOP1 = 1, V OUT1 = 19V,
V BOOST1 = 19V + V DROP
0
1
1
1
X
X
1
1
VSPEN1 = 0, SELVTOP1 = 1, V OUT1 = 19V,
V BOOST1 = 19V + V DROP
0
1
1
1
X
X
0
0
VSPEN1 = 1, SELVTOP1 = X, V OUT1 = 13V,
V BOOST1 = 13V + V DROP
0
1
1
1
X
X
0
1
VSPEN1 = 1, SELVTOP1 = X, V OUT1 = 14V,
V BOOST1 = 14V + V DROP
0
1
1
1
X
X
1
0
VSPEN1 = 1, SELVTOP1 = X, V OUT1 = 18V,
V BOOST1 = 18V + V DROP
0
1
1
1
X
X
1
1
VSPEN1 = 1, SELVTOP1 = X, V OUT1 = 19V,
V BOOST1 = 19V + V DROP
0
1
1
0
X
X
X
X
PWM and Linear for Channel 1 disabled
NOTE: X is a “Don’t Care” for the Write mode.
14
FN9190.2
August 10, 2007
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