BD6150MUV_11 Datasheet, PDF (4/29 Pages) Rohm – White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type)

BD6150MUV
Technical Note
50
-40℃
45
40
35
25℃ _85℃
30
3
4
5
6
7
VBAT [V]
Fig 13. LED Max Current
100
-40℃
90
80
25℃
70
60
85℃
50
40
0
10
20
30
VBAT [V]
Fig 16. Efficiency
10LEDx6CH
20
18 ^-40℃
16
14
85℃
12
25℃
10
8
6
4
2
0
0
0.2 0.4 0.6 0.8
1
VLED [V]
Fig 14. LED Current vs LED Voltage
100
6V
10
12V, 26V
1
0.1
1
10
100
Duty [%]
Fig 17. LED Current vs PWM Duty
PWM Freq=200Hz LED 10x6CH
3
2
1
-40℃ _25℃
0
-1
85℃
-2
-3
0
20
40
60
80 100
Duty [%]
Fig 15. LED Current Matching
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
4/28
2011.06 - Rev.B