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AL8861 Datasheet(PDF) 8 Page - Diodes Incorporated

Part # AL8861
Description  40V 1.5A BUCK LED DRIVER
PDF  18 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL8861 Datasheet(HTML) 8 Page - Diodes Incorporated

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AL8861
Document number: DS39435 Rev. 3 - 2
8 of 18
www.diodes.com
October 2017
© Diodes Incorporated
AL8861
4
6
8
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
0
50
100
150
200
250
300
350
400
450
500
Input Voltage (V)
V
O
=3.3V
V
O
=6.6V
V
O
=9.9V
V
O
=13.2V
V
O
=16.5V
V
O
=19.8V
V
O
=23.1V
V
O
=26.4V
V
O
=29.7V
V
O
=33V
Typical Performance Characteristics (Cont.) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
Operating Frequency vs. Input Voltage
LED Current vs. Output Voltage
(SOT89-5, RS=0.067
Ω, L=47μH)
(TSOT25, RS=0.3
Ω, L=100μH)
LED Current vs. Output Voltage
LED Current vs. Output Voltage
(TSOT25, RS=0.15
Ω, L=47μH)
(TSOT25, RS=0.1
Ω, L=33μH)
LED Current vs. Output Voltage
(SOT89-5, RS=0.067
Ω, L=47μH)
3
6
9
12
15
18
21
24
27
30
33
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
1.56
Output Voltage (V)
V
IN
=10V
V
IN
=12V
V
IN
=16V
V
IN
=20V
V
IN
=24V
V
IN
=28V
V
IN
=32V
V
IN
=36V
V
IN
=40V
3
6
9
12
15
18
21
24
27
30
33
970
975
980
985
990
995
1000
1005
1010
1015
1020
1025
1030
Output Voltage (V)
V
IN
=10V
V
IN
=12V
V
IN
=16V
V
IN
=20V
V
IN
=24V
V
IN
=28V
V
IN
=32V
V
IN
=36V
V
IN
=40V
3
6
9
12
15
18
21
24
27
30
33
640
645
650
655
660
665
670
675
680
685
690
695
700
V
IN
=10V
V
IN
=12V
V
IN
=16V
V
IN
=20V
V
IN
=24V
V
IN
=28V
V
IN
=32V
V
IN
=36V
V
IN
=40V
Output Voltage (V)
3
6
9
12
15
18
21
24
27
30
33
320
322
324
326
328
330
332
334
336
338
340
342
344
346
348
350
Output Voltage (V)
V
IN
=10V
V
IN
=12V
V
IN
=16V
V
IN
=20V
V
IN
=24V
V
IN
=28V
V
IN
=32V
V
IN
=36V
V
IN
=40V



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