参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 36/46页
文件大小: 0K
描述: IC LED DRVR LMU 8CH MLPQUT20
特色产品: Semtech sc667 and sc668
标准包装: 1
拓扑: 线性(LDO),PWM
输出数: 12
内部驱动器:
类型 - 主要: 背光,LED 闪烁器,照明管理装置(LMU)
频率: 400kHz
电源电压: 2.9 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-UFQFN 裸露焊盘
供应商设备封装: 20-MLPQ(3x3)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: SC668ULDKR
SC668
Register Map (continued)
LDO1 Control Register (0Ah)
This register is used to enable LDO1 and set its output
voltage level.
Bits [D5:D4]
These bits are unused and are always zeroes.
LDO1V3 through LDO1V0 [D3:D0]
These bits set the output voltage of LDO1 as shown in
Table 10.
Table 10 — LDO1 Control Codes
LDO2 Control Register (0Bh)
This register is used to enable LDO2 and set its output
voltage level.
Bits [D5:D3]
These bits are unused and are always zeroes.
LDO2V2 through LDO2V0 [D2:D0]
These bits are used to set the output voltage of LDO2 in
accordance with Table 11.
Table 11 — LDO2 Control Codes
LDO1V3
0
0
0
0
0
0
0
0
LDO1V2
0
0
0
0
1
1
1
1
LDO1V1
0
0
1
1
0
0
1
1
LDO1V0
0
1
0
1
0
1
0
1
V LDO1
OFF
3.3V
3.2V
3.1V
3.0V
2.9V
2.8V
2.7V
LDO2V2
0
0
0
0
1
1
1
1
LDO2V1
0
0
1
1
0
0
1
1
LDO2V0
0
1
0
1
0
1
0
1
V LDO2
OFF
1.8V
1.7V
1.6V
1.5V
1.4V
1.3V
1.2V
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
2.6V
2.5V
2.4V
2.2V
1.8V
1.7V
1.6V
1.5V
36
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