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参数资料
| 型号： | AL3159FSG-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR CHG/PMP QFN3030-20 |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | 切换式电容器（充电泵） |
| 输出数： | 9 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.2MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-UQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN（3x3） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | AL3159FSG-7DIDKR |
AL3159
HIGH EFFICIENCY 1x/2x CHARGE PUMP
FOR WHITE LED APPLICATIONS
Pin Descriptions
Pin Name
D8
D9
CTL1
CTL3
CTL2
PGND
CN
V IN
CP
NC
V OUT
D1
D2
D3
D4
D5
GND
D6
D7
GND
Pin Number
1
2
3
4
5
6
7
8
9
10,19
11
12
13
14
15
16
17
18
20
EP PAD
Description
Current sink input #8. Connected to V OUT when un-used.
Current sink input #9. Connected to V OUT when un-used.
Control Pin 1
Control Pin 3
Control Pin 2
Charge Pump Switch Ground
Negative Terminal of Flying Capacitor
Input Power Supply. Requires 2.2μF capacitor between this pin and ground.
Positive Terminal of Flying Capacitor
No-Connect
Charge pump output to drive load circuit. Requires 2.2μF capacitor between this pin
and ground.
Current sink input #1. Connected to V OUT when un-used.
Current sink input #2. Connected to V OUT when un-used.
Current sink input #3. Connected to V OUT when un-used.
Current sink input #4. Connected to V OUT when un-used.
Current sink input #5. Connected to V OUT when un-used.
Ground
Current sink input #6. Connected to V OUT when un-used.
Current sink input #7. Connected to V OUT when un-used.
Exposed Pad (bottom). Connected to GND directly underneath the package.
Functional Block Diagram
AL3159
Document number: DS35048 Rev. 2 - 2
2 of 10
www.diodes.com
January 2011
? Diodes Incorporated
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