参数资料
型号: AL8805W5-7
厂商: Diodes Inc
文件页数: 7/16页
文件大小: 0K
描述: IC REG SW CONV BUCK ASYNC SOT-23
标准包装: 1
恒定电流:
拓扑: PWM,降压(降压)
输出数: 1
内部驱动器:
类型 - 主要: 通用
频率: 1MHz
电源电压: 6 V ~ 30 V
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-25
包装: 标准包装
其它名称: AL8805W5-7DIDKR
AL8805
Typical Performance Characteristics (cont.) (670mA LED Current) (@T A = +25°C, unless otherwise specified.)
5%
350
4%
3%
2%
1%
0%
-1%
-2%
300
250
200
150
100
L = 100 μ H
R S = 150m Ω
T A = 25 ° C
2 LEDs
1 LED
-3%
-4%
50
5 LEDs
7 LEDs
6 LEDs 8 LEDs
3 LEDs 4 LEDs
-5%
6
9
12 15 18 21 24 27 30 33 36
0
6
9
12 15 18 21 24 27 30 33 36
INPUT VOLTAGE (V)
Figure 18 LED Current Deviation vs. Input Voltage
10%
8%
6%
4%
2%
0%
-2%
-4%
-6%
-8%
500
450
400
350
300
250
200
150
100
50
INPUT VOLTAGE (V)
Figure 19 Switching Frequency vs. Input Voltage
-10%
6
9
12 15 18 21 24 27 30 33 36
0
6
9
12 15 18 21 24 27 30 33 36
INPUT VOLTAGE (V)
Figure 20 LED Current Deviation vs. Input Voltage
10%
8%
6%
4%
INPUT VOLTAGE (V)
Figure 21 Switching Frequency vs. Input Voltage
900
800
700
600
2%
500
0%
400
-2%
-4%
-6%
-8%
300
200
100
-10%
6
9
12 15 18
21 24 27 30 33 36
0
6
9
12 15 18 21 24 27 30 33 36
INPUT VOLTAGE (V)
Figure 22 LED Current Deviation vs. Input Voltage
INPUT VOLTAGE (V)
Figure 23 Switching Frequency vs. Input Voltage
AL8805
Document number: DS35030 Rev. 4 - 2
7 of 16
www.diodes.com
July 2012
? Diodes Incorporated
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