YB1522ST25 View Datasheet(PDF) - YOBON TECHNOLOGIES,INC.
Part Name
Description
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YB1522ST25 Datasheet PDF : 12 Pages
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YB1522
Step-up DC-DC Converter White LED Driver
VDC (V)
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
VFB (mV)
0
2.2
9.2
19.6
31.1
43.4
63
74
86.4
96.9
102
IOUT (mA)
0
0.43
1.8
3.6
6
8.5
12.3
14.5
16.9
19
20
Duty
0%
20%
30%
40%
50%
60%
70%
80%
100%
IOUT (mA)
20
17.4
15
12.4
10
8
6.4
4.07
0
PWM : 2V ; 1KHz ; Vin=3.6V
Figure 4: Dimming Control Using a DC Voltage
Figure 5: Dimming Control Using a Filtered PWM
Signal
YB1522 Rev.1.0
www.yobon.com.tw
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