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BD6076GUT Datasheet(PDF) 4 Page - Rohm

Part # BD6076GUT
Description  White Backlight LED Drivers for Small to Medium LCD Panels (Switching Regulator Type)
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD6076GUT Datasheet(HTML) 4 Page - Rohm

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Technical Note
4/15
BD6076GUT
www.rohm.com
2011.12 - Rev.A
© 2011 ROHM Co., Ltd. All rights reserved.
●
Electrical characteristic curves (Reference data)
0
2
4
6
8
10
12
34
56
7
VIN[V]
0,0
0,2
0,4
0,6
0,8
1,0
12
3
4
56
7
VIN[V]
1,0
1,1
1,2
1,3
1,4
1,5
2,5
3
3,5
4
4,5
5
5,5
VIN[V]
Fig.4 Current consumption
Fig.5 Quiescent current
Fig.6 Oscillation frequency
vs.
vs.
vs.
Power supply voltage
Power supply voltage
Power supply voltage
470
480
490
500
510
520
530
2,7 3,1 3,5 3,9 4,3 4,7 5,1 5,5
VIN[V]
300
350
400
450
500
3,1
3,5
3,9
4,3
4,7
5,1
5,5
Ta [deg]
50
55
60
65
70
75
80
85
90
10
15
20
25
30
35
40
Iout[mA]
Fig.7 Feedback voltage
Fig.8 Inductor current limit
Fig.9 Efficiency vs. LED current
vs.
vs.
(4LED=VOUT13V)
Power supply voltage
Temperature
50
55
60
65
70
75
80
85
90
10
15
20
25
30
35
40
Iout [mA]
0
200
400
600
800
1000
1200
1400
1600
3,0
3,2
3,4
3,6
3,8
4,0
4,2
VIN[V]
60
65
70
75
80
85
90
3,1
3,5
3,9
4,3
4,7
5,1
5,5
VIN[V]
Fig.10 Efficiency vs. LED current
Fig.11 Output power
Fig.12 Efficiency
(4LED=VOUT13V)
vs.
vs.
coil : TDK VLS3010T220M
Power supply voltage
Power supply voltage
coil : TDK VLS3010T220M
(Load=30mA)
coil : TDK VLS3010T220M
Ta=85℃
Ta=25℃
Ta=-30℃
VIN=3.1V
VIN=3.6V
VIN=4.2V
VIN=5.5V
Ta=25℃
TOKO : DB3015CK220M
TDK : VLS3010T220M
Ta=-30℃
Ta=25℃
Ta=85℃
Ta=25℃
Ta=-30℃
Ta=85℃
Ta=-30℃
Ta=25℃
Ta=85℃
Ta=25℃
Ta=-30℃
Ta=85℃
Ta=25℃
Ta=-30℃
Ta=85℃
Ta=-30℃
Ta=25℃
Ta=85℃
Ta=25℃
VIN=3.6V


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