参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 34/46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)
Blink/Breathe Bank #3 Target Register (08h)
This register is used to enable the LED blink and breathe
lighting effects for bank #3 and set the target backlight
current.
B3BEN Bit [D5]
IBT3_4 through IBT3_0 [D4:D0]
When lighting effects are enabled, these bits set the target
backlight current for bank #3. Target values are shown in
Table 8.
Table 8 — Bank #3 Target Backlight Current
This bit, in conjunction with the B3FEN bit, enables blink/
breathe functions for bank #3 as shown in Figure 26.
IBT3_4 IBT3_3 IBT3_2 IBT3_1 IBT3_0
Bank #3
Target
Current
(mA)
B3BEN = 0
B3FEN = 1
Fade
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
0
0.05
0.1
0.2
0.5
B3BEN = 1
B3FEN = 0
Blink
Bank #3
No Light Effect
B3BEN = 0
B3FEN = 0
0
0
0
0
1
1
0
1
1
0
1
1.5
0
0
1
1
1
2
Breathe
B3BEN = 1
B3FEN = 1
Figure 26 — Bank #3 Lighting Effect
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
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2.5
3
3.5
4
4.5
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
25
34
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