BD9483F Datasheet, PDF (7/32 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter type)

BD9483F,FV
●1.5 Typical Performance Curves (Reference data)
5
4
3
2
1
0
10
STB=5V
PWM1=PWM2=0V
Ta=25°C
14 18 22 26 30 34
VCC [V]
Figure 7. Circuit current
(operating mode)
100
10
1
0.1
0.01
0.001
10
Datasheet
VCC=24V
Ta=25°C
100
RT [kohm]
Figure 8. fCT v.s. RT
1000
160
140
120
100
80
60
40
20
0
0.5
VCC=24V
Ta=25°C
1.5
2.5
3.5
FB [V]
Figure 9. FB sink current v.s. FB voltage
0
-20
-40
-60
-80
-100
-120
-140
-160
0.5
VCC=24V
Ta=25°C
1.5
2.5
3.5
FB [V]
Figure 10. FB source current v.s. FB voltage
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
VCC=24V
Ta=25°C
1
2
3
ADIM [V]
Figure 11. ISENSE feedback voltage v.s. ADIM
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TSZ02201-0F1F0C100100-1-2
28.Nov.2013 Rev.003