参数资料
型号: AS3665-ZWLT
厂商: ams
文件页数: 8/78页
文件大小: 0K
描述: IC LED DRIVER SMARTLIGHT 25WLCSP
标准包装: 12,000
拓扑: 高端,PWM,切换式电容器(充电泵)
输出数: 9
内部驱动器:
类型 - 主要: 照明管理装置(LMU)
类型 - 次要: RGB,白色 LED
安装类型: 表面贴装
封装/外壳: 25-UFBGA,WLCSP
供应商设备封装: 25-WLCSP(2.5x2.5)
包装: 带卷 (TR)
工作温度: -30°C ~ 85°C
Figure 3. I C mode Timing Diagram
AS3665
Datasheet, Confidential - E l e c t r i c a l C h a r a c t e r i s t i c s Ti m i n g D i a g r a m s
1. The logic input levels V IH and V IL allow for 1.8V supplied driving circuit
2. After this period the first clock pulse is generated.
3. A device must internally provide a hold time of at least 300ns for the SDA signal (referred to the V IHMIN of the
SCL signal) to bridge the undefined region of the falling edge of SCL.
4. A fast-mode device can be used in a standard-mode system, but the requirement t SU:DAT = to 250ns must then
be met. This is automatically the case if the device does not stretch the LOW period of the SCL signal. If such a
device does stretch the LOW period of the SCL signal, it must output the next data bit to the SDA line t R max +
t SU:DAT = 1000 + 250 = 1250ns before the SCL line is released.
5. This feature can be disabled by setting auto_shutdown (see page 13) =0
Timing Diagrams
2
SDA
t BUF
t LOW
SCL
t R
t F
t HD:STA
t HD:STA
t SU:STA
t SU:STO
STOP START
t HD:DAT
t HIGH
t SU:DAT
REPEATED
START
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