BD9420F Datasheet, PDF (10/31 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter Type)

BD9420F
Datasheet
Typical Performance Curves
10
9
8
7
6
5
4
3
2
1
0
9 13 17 21 25 29 33
VCC[V]
Figure 7. Operating Current[mA] vs VCC Input Voltage[V]
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.6
1.1
1.6
2.1
2.6
VREF[V]
Figure 9. CLx Voltage[V] vs VREF Input Voltage[V]
1.0
10
9
8
7
6
5
4
3
2
1
0
9 13 17 21 25 29 33
VCC[V]
Figure 8. REG75 Output Voltage[V] vs VCC Input Voltage[V]
10.00
1.00
0.10
0.01
15 35 55 75 95 115 135 155 175 195
RRT[kΩ]
Figure 10. N Frequency[MHz] vs RT Resistance[kΩ]
160
120
0.8
80
0.6
40
0
0.4
-40
-80
0.2
-120
0.0
-40 -20 0 20 40 60
TEMP[_℃]
Figure 11. CLx Voltage[V] vs Temperature[℃]
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TSZ22111 • 15 • 001
-160
80
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
VBSx[V]
Figure 12. FB Current[uA] vs BSx Voltage[V]
10/28
TSZ02201-0F1F0C100300-1-2
31.Jan.2014 Rev.002