YB1522 Datasheet, PDF (8/12 Pages) YOBON TECHNOLOGIES,INC. – Step-up DC-DC Converter White LED Driver

YB1522
Step-up DC-DC Converter White LED Driver
Typical Performance Characteristics
Supply Current (Vctrl = 0V)
1
0.8
0.6
uA
0.4
0.2
0
2
3
4
5
6
7
8
9
V
Switching Frequency
932.2
932
931.8
931.6
Khz
931.4
931.2
931
930.8
2 34 5 6 78 9
Vin(V)
Supply Current (Vctrl = Vin)
6
5
4
mA 3
2
1
0
2
3
4
5
6
7
8
9
V
Vcesat
250
200
150
100
50
0
50 100 150 200 250 300 350 400
Switching Current ( mA)
Switch Leakage Current
0.5
0.4
0.3
uA
0.2
0.1
0
2
3
4
5
6
7
8
9
Vin (V)
CTRL Pin Bias Current
60
50
40
uA 30
20
10
0
2
3
4
5
6
7
8
9
Vin(V)
YB1522 Rev.1.0
www.yobon.com.tw
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