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參數(shù)資料
| 型號(hào)： | NCP5604B |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High Efficiency White LED Driver(高效白色LED驅(qū)動(dòng)器) |
| 中文描述： | 高效率白光LED驅(qū)動(dòng)器（高效白色發(fā)光二極管驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 9/15頁(yè) |
| 文件大?。?/td> | 359K |
| 代理商： | NCP5604B |
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NCP5604A, NCP5604B
http://onsemi.com
9
Figure 5. Typical I
OUT
Tolerance as a Function of the
V
BAT
Supply
Iout drift versus Vbat
5
4
3
2
1
0
1
2
3
4
5
2.5
3.0
3.5
4.0
Vbat(V)
4.5
5.0
5.5
I
Iout = 28mA
Iout = 80mA
Figure 6. Typical LED to LED Current Matching at
Low I
REF
Iref = 5
A
0
1
2
3
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Vbat (V)
I
40 C
25 C
85 C
Figure 7. Typical LED to LED Current Matching at I
REF
Maximum
Iref = 100
A
0
1
2
3
2.5
3.0
3.5
4.0
Vbat (V)
4.5
5.0
5.5
I
40 C
25 C
85 C
LOAD CONNECTION
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.
N
12
5
6
7
8
D
L
GND
C
1
N
12
5
6
7
8
D
L
GND
C
1
D
L
Figure 8. Typical Single and Double LED
Connections
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.
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參數(shù)描述 |
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| NCP5604BMTR2G | 功能描述:LED照明驅(qū)動(dòng)器 ANA LED DRIVER RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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