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参数资料
| 型号： | NCP5604BMTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER LED WHITE HE 16-WQFN |
| 产品变化通告： | Product Obsolescence 30/Jun/2011 |
| 标准包装： | 1 |
| 拓扑： | PWM，切换式电容器（充电泵） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 850kHz ~ 1.15MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 4.8 V ~ 6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN（3x3） |
| 包装： | 剪切带 (CT) |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | NCP5604BMTR2GOSCT |
NCP5604A, NCP5604B
Iout drift versus Vbat
LOAD CONNECTION
5
4
3
2
1
0
-1
-2
-3
-4
Iout = 28mA
Iout = 80mA
The NCP5604A chip is capable of driving the four LED
simultaneously, as depicted in Figure 1, but the load can be
arranged to accommodate one or two LED if necessary in
the application (see Figure 8). The four current mirror can
be connected in parallel to drive a single powerful LED,
thus yielding 100 mA current capability in a single LED.
12
-5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Vbat(V)
Figure 5. Typical I OUT Tolerance as a Function of the
8
V BAT Supply
7
GND
3
2
1
Iref = 5 m A
-40 5 C
25 5 C
85 5 C
6
5
12
0
2.5
3.0
3.5
4.0
Vbat (V)
4.5
5.0
5.5
8
7
GND
Figure 6. Typical LED to LED Current Matching at
Low I REF
6
5
3
Iref = 100 m A
-40 5 C
Figure 8. Typical Single and Double LED
Connections
2
25 5 C
85 5 C
The applications using three LED shall use the
NCP5604B version to make profit of the highest efficiency
(see Figure 9). In this case, LED4 is not connected and pin
5 is internally unconnected.
1
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Vbat (V)
Figure 7. Typical LED to LED Current Matching at I REF
Maximum
http://onsemi.com
9
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| NCP5604D WAF | 制造商:ON Semiconductor 功能描述: |
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| NCP5608EVB | 功能描述:电源管理IC开发工具 NCP5608 EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP5608MTR2G | 功能描述:LED照明驱动器 MULT LED BOOST DR RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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