参数资料
| 型号： | ISL6422BERZ |
| 厂商： | Intersil |
| 文件页数： | 14/18页 |
| 文件大小： | 0K |
| 描述： | IC VREG DUAL LNB W/I2C 40-QFN |
| 标准包装： | 50 |
| 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） |
ISL6422B
TABLE 14. CONTROL REGISTER SR4 CONFIGURATION
SR4H
SR4M
SR4L
EN1
X
X
VTOP1 VBOT1
FUNCTION
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
1
1
0
0
1
1
0
0
1
1
X
0
0
1
0
1
0
1
0
1
0
1
0
1
X
SR4 is selected
VSPEN1 = SELVTOP1 = 0, VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = SELVTOP1 = 0, VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 19V, VBOOST1 = 19V + VDROP
VSPEN1 = 0, SELVTOP1 = 1, VOUT1 = 19V, VBOOST1 = 19V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 13V, VBOOST1 = 13V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 14V, VBOOST1 = 14V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 18V, VBOOST1 = 18V + VDROP
VSPEN1 = 1, SELVTOP1 = X VOUT1 = 19V, VBOOST1 = 19V + VDROP
PWM and Linear for Channel 1 disabled
NOTE: X indicates “Read Only” and is a “Don’t Care” for the Write mode.
TABLE 15. STATUS REGISTER SR5 CONFIGURATION
SR5H
SR5M
SR5L
X
CABF2 OUVF2
OLF2
BCF2
FUNCTION
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
0
1
X
X
X
0
1
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
SR5 is selected
I OUT ≤ set limit, Normal Operation
I OUT > Static/Dynamic Limiting Mode/Power blocks disabled
I OBCK ≤ set limit, Normal Operation
I OBCK > Dynamic Limiting Mode/Power blocks disabled
V IN /V OUT within specified range
V IN /V OUT is not within specified range
Cable is connected, I O is > 20mA
Cable is open, I O < 2mA
TABLE 16. TONE REGISTER SR6 CONFIGURATION
SR6H
1
1
1
1
1
1
SR6M
0
0
0
0
0
0
SR6L
1
1
1
1
1
1
ENT2
X
0
0
1
X
X
MSEL2
X
0
1
0
X
X
TTH2
X
X
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
FUNCTION
SR2 is selected
Int Tone = 22kHz, modulated by EXTM2 , t r , t f = 10μs typ
Ext 22k modulated input, t r , t f = 10μs typ
Int Tone = 22kHz, modulated by ENT2 bit, t r , t f = 10μs typ
TXT2 = 0; Decoder Rx threshold is set at 200mV max
TXT2 = 0; Decoder Tx threshold is set at 400mV min
NOTE: X indicates “Read Only” and is a “Don’t Care” for the Write mode.
14
FN6486.1
August 10, 2007
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