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| 型号： | ADP8863ACPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/52页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHIT BCKLGT 20-WLCSP |
| 标准包装： | 1 |
| 拓扑： | 切换式电容器（充电泵） |
| 输出数： | 7 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGB，白色 LED |
| 频率： | 800kHz ~ 1.32MHz |
| 电源电压： | 2.5 V ~ 5.5 V |
| 输出电压： | 4.3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-UFBGA，WLCSP |
| 供应商设备封装： | 20-WLCSP |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | ADP8863ACPZ-R7DKR |
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ADP8863
TABLE OF CONTENTS
I C Timing Diagram .................................................................... 4
I C Programming and Digital Control ........................................ 24
Features .............................................................................................. 1
Applications ....................................................................................... 1
Typical Operating Circuit ................................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
2
Absolute Maximum Ratings............................................................ 5
Maximum Temperature Ranges ................................................. 5
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 11
Power Stage.................................................................................. 12
Operating Modes ........................................................................ 13
LED Groupings ........................................................................... 14
LED Current Settings ................................................................. 14
Automated Fade In and Fade Out ............................................ 14
Independent Sink Control......................................................... 15
RGB Color Generation .............................................................. 15
Automated RGB Color Fades ................................................... 15
Backlight Operating Levels ....................................................... 16
Backlight Turn On/Turn Off/Dim ........................................... 16
Automatic Dim and Turn Off Timers ..................................... 16
Fade Override ............................................................................. 17
Ambient Light Sensing .............................................................. 17
Automatic Backlight Adjustment ............................................. 18
Using the ADP8863 to Drive Additional LEDs...................... 19
Operating LEDs from Alternative Supplies ............................ 20
Short-Circuit Protection Mode ................................................ 21
Overvoltage Protection .............................................................. 21
Thermal Shutdown/Overtemperature Protection ................. 21
Interrupts ..................................................................................... 21
Applications Information .............................................................. 23
Layout Guidelines....................................................................... 23
2
Backlight Register Descriptions ............................................... 29
Independent Sink Register Descriptions................................. 36
Comparator Register Descriptions .......................................... 44
Outline Dimensions ....................................................................... 48
Ordering Guide .......................................................................... 49
REVISION HISTORY
6/10—Rev. 0 to Rev. A
Changes to Features Section and General Description Section . 1
Changes to Thermal Resistance Section and Table 3................... 5
Added Figure 4; Renumbered Sequentially .................................. 6
Changes to Table 4 ............................................................................ 6
Updated Outline Dimensions ....................................................... 48
Changes to Ordering Guide .......................................................... 49
4/10—Revision 0: Initial Version
Rev. A | Page 2 of 52
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