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参数资料
| 型号： | BD6066GU-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 17VCSP |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.7 V ~ 22 V |
| 输出电压： | 40.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 17-VFBGA，CSPBGA |
| 供应商设备封装： | VCSP85H2 |
| 包装： | 标准包装 |
| 工作温度： | -30°C ~ 85°C |
| 产品目录页面： | 1371 (CN2011-ZH PDF) |
| 其它名称： | BD6066GU-E2DKR |
BD6066GU,BU6066EKN
Technical Note
100
25
2
90
25 ℃
ISET=27k ?
ISET=27k ?
80
70
60
85 ℃
-30 ℃
20
15
1.5
16V
50
40
10
6V, 7.4V, 10.7V, 22V
1
22V
30
20
5
16V
0.5
10.7V
6V
7.4V
10
0
0
0
0
5
10 15
20
25
0
20
40 60
80
100
2
4
6
8 10 12 14 16
18
20
VBAT[V]
Fig.13
Efficiency - source voltage
PWM-HI Duty [ ％ ]
Fig.14
LED current - PWM HI Duty
PWM = 200Hz
PWM-HI Duty [ ％ ]
Fig.15
LED current - PWM HI Duty( Expansion)
PWM = 200Hz
25
20
VBAT=7.4V
ISET=27k ?
2
VBAT=7.4V
ISET=27k ?
85 ℃
100
90
80
VBAT=7.4V
ISET=27k ?
1.5
70
15
25 ℃
25 ℃
60
10
-30 ℃
1
50
40
30
VF Dispersion of
LED line interval is 2.6V.
5
85 ℃
0.5
-30 ℃
20
10
VF Dispersion of LED
line interval is small.
0
0
0
20
40 60
PWM-HI Duty [%]
80
100
0
0
2
4
6 8 10 12 14 16 18 20
PWM-HI Duty [%]
-10
0
20
40 60
PWM-HI Duty [%]
80
100
50
Fig.16
LED current - PWM HI Duty
PWM = 200Hz
Fig.17
LED current - PWM HI Duty( Expansion)
PWM = 200Hz
100%
Fig.18
LED current matching - PWM HI Duty
PWM = 200Hz
50%
40
30
20
10
0
VBAT=7.4V
ISET=27k ?
VF Dispersion of
LED line interval is 2.6V.
VF Dispersion of
LED line interval
is small.
90%
80%
70%
60%
50%
40%
30%
20%
10%
6V
7.4V
10.7V
16V
22V
40%
30%
20%
10%
0%
6V
7.4V
10.7V
22V
0%
16V
-10
0 5 10 15 20 25 30
Duty [%]
Fig.19
LED current matching - PWM HI Duty
(Expansion) PWM = 200Hz
Output
10V/div
Average current = 0.8mA
Coil current
500mA/div
Fig.22
LED Open Voltage
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
-10%
0 10 20 30 40 50 60 70 80 90 100
PWM-HI Duty [%]
Fig.20
LED current matching - PWM HI Duty
VF Dispersion of LED line interval is 2.6V.
PWM = 200Hz
4/15
-10%
0 5 10 15 20 25 30
Duty [%]
Fig.21
LED current matching - PWM HI Duty (Expansion)
VF Dispersion of LED line interval is 2.6V.
PWM = 200Hz
2011.06 - Rev.B
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