参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 17/46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
Applications Information (continued)
I BL_START
t BREATE
t TARGET
t START
I BL_TARGET
t TARGET
0mA
t 1
I BL_START
t TARGET
t 2
Figure 3 — Breathe Timing Diagram
I BL_TARGET
0mA
t FADE_IN
t 1
t START
t 2
Figure 4 — Blink Timing Diagram
t FADE_OUT
I BL_INITIAL
I BL_FINAL
I BL_INITIAL
I BL_FINAL
0mA
t 1
Figure 5 — Fade-in and Fade-out Timing Diagram
t 2
t TARGET
Bank
enabled/
re-enabled
I BL_TARGET
I BL_START
Bank does not turn off automatically
0mA
Bank
enabled/
re-enabled
Figure 6 — Auto-Dim Partial Timing Diagram
t TARGET
I BL_TARGET
I BL_START
t START
0mA
Figure 7 — Auto-Dim Full Timing Diagram
Note: See next
page for figure
I BL_INITIAL
I BL_FINAL
I BL_INITIAL
I BL_FINAL
notes.
0mA
Figure 8 — Brightness Increase and Decrease Without Fade Timing Diagram
17
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