参数资料
型号: DS3881E+T&R
厂商: Maxim Integrated
文件页数: 23/28页
文件大小: 0K
描述: IC CCFL CONTROL 24TSSOP
标准包装: 1,000
类型: CCFL 控制器
频率: 40 ~ 100 kHz
电流 - 电源: 12mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 105°C
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
Single-Channel Automotive CCFL Controller
Table 8. Lamp Current Overdrive Control Register (LCOC) [Shadowed-EEPROM, F7h]
BIT
R/W
FACTORY
DEFAULT
NAME
FUNCTION
LAMP CURRENT OVERDRIVE SELECT
0
R/W
0
LCO0
LCO2
0
LCO1
0
LCO0
0
SELECTED LAMP CURRENT OVERDRIVE
Nominal Current + 12.50%
0
0
0
1
1
0
Nominal Current + 25.00%
Nominal Current + 37.50%
1
R/W
0
LCO1
0
1
1
Nominal Current + 50.00%
1
1
0
0
0
1
Nominal Current + 62.50%
Nominal Current + 75.00%
2
R/W
0
LCO2
1
1
0
Nominal Current + 87.50%
1
1
1
Nominal Current + 100.00%
Lamp Current Overdrive Enable. Logically ORed with the LCO pin.
3
R/W
0
LCOE
0 = Lamp operated with nominal current setting.
1 = Lamp overdrive invoked.
AUTOMATIC LAMP CURRENT OVERDRIVE TIMEOUT SELECT
SELECTED TIMEOUT
EXAMPLE TIMEOUT IF
4
R/W
0
TO0
TO3
TO2
TO1
TO0
IN LAMP FREQUENCY
LAMP FREQUENCY IS
CYCLES
50kHz
0
0
0
0
Disabled
0
0
0
1
1x2
22
1.4 min
0
0
1
0
2 x 2 22
2.8 min
5
R/W
0
TO1
0
0
1
1
3 x 2 22
4.2 min
0
1
0
0
4x2
22
5.6 min
0
0
1
1
0
1
1
0
5 x 2 22
6 x 2 22
7.0 min
8.4 min
0
1
1
1
7x2
22
9.8 min
6
R/W
0
TO2
1
0
0
0
8 x 2 22
11.2 min
1
1
1
0
0
0
0
1
1
1
0
1
9 x 2 22
10 x 2 22
11 x 2 22
12.6 min
14.0 min
15.4 min
1
1
0
0
12 x 2
22
16.8 min
7
R/W
0
TO3
1
1
0
1
13 x 2 22
18.2 min
1
1
1
0
14 x 2 22
19.6 min
1
1
1
1
15 x 2
22
21.0 min
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