BD9285F Datasheet, PDF (8/39 Pages) Rohm – Boost 1channel white LED driver For large LCDs

BD9285F
●2.3 Typical performance Curves
2.0
1.5
1.0
0.5
0.0
7
9
11 13 15 17
VCC[V]
Figure 6. Operating current (ICC) vs VCC
Datasheet
10000
1000
100
10
1
10
100
1000
RT[kΩ]
Figure 7. GATE frequency vs RT
120
100
80
60
40
20
0
0.5
1.5
2.5
3.5
4.5
FB[V]
Figure 8. FB sink current vs FB voltage
0
-20
-40
-60
-80
-100
-120
0.5
1.5
2.5
3.5
4.5
FB[V]
Figure 9. FB source current vs FB voltage
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
2
4
6
ADIM[V]
Figure 10. ISENSE feedback voltage vs ADIM
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TSZ22111・15・001
8/36
TSZ02201-0F1F0C100030-1-2
11.Jul.2012 Rev.001