BD9422EFV Datasheet, PDF (7/28 Pages) Rohm – White LED Driver for large LCD panel

BD9422EFV
●1.5Typical Performance Curves（reference data）
14
12
10
8
6
4
2
0
10
STB=3V
PWM1-6=0V
Ta=25°C
14 18 22 26 30 34
VCC [V]
Figure 6. Circuit current
Datasheet
50
STB=0V
40
PWM1-6=0V
Ta=25°C
30
20
10
0
10 14 18 22 26 30 34
VCC [V]
Figure 7. Stand-by circuit current
100
80
60
40
20
0
0
VCC=24V
Ta=25°C
1
2
3
4
FB [V]
Figure 8. FB v.s. Duty Cycle
60
1000
800
600
400
200
0
0
VCC=24V
RS=2Ω
LED1=2.5V
Ta=25°C
1
2
3
4
VREF [V]
Figure 9. VREF v.s. Sx
30
VCC=24V
RS=20Ω
Ta=25°C
0
0
1
2
3
PWM1 [V]
Figure 10. PWM terminal threshold voltage
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TSZ22111・15・001
7/25
TSZ02201-0F1F0C100210-1-2
31.May.2013 Rev.003