BD9470AEFV Datasheet, PDF (9/39 Pages) Rohm – White LED driver for medium sized and large sized LCD back light

BD9470AFM・BD9470AEFV
140
138
136
134
132
130
128
126
124
122
120
-40 -20 0
20 40 60 80
Temp[℃]
Figure 10. ILED[mA] vs Temp[℃]
160
120
80
40
0
-40
-80
-120
-160
LEDx[V]
Figure 11. IFB[uA] vs LEDx[V]
( @ILED=130mA)
1000
1000
100
100
10
10
RISET[kohm]
10
100
10
100
RRT[kohm]
1000
Figure 12. ILEDx[mA] vs RISET[kohm]
Figure 13. FCT [kHz] vs RRT[kohm]
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TSZ22111・15・001
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TSZ02201-0F10C1002000-1-2
19.Oct.2013 Rev.003