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参数资料
| 型号： | BD6066EKN-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 13/18页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLT 28-HVQFN |
| 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： | 28-VFQFN 裸露焊盘 |
| 供应商设备封装： | 28-HQFN |
| 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： | BD6066EKN-E2DKR |
BD6066GU,BU6066EKN
● Recommended PCB layout
Cin
L
CBAT
Technical Note
Cout
SBD
Tr
Creg
Rsense
Fig.33 BD6066EKN Component side （ Top view ）
RISET
Fig.34 BD6066EKN Back side （ Top view ）
● Attention point of PCB layout
In PCB layout design, the wiring of power supply line should be low Impedance, and put the bypass capacitor if necessary.
Especially the wiring impedance must be lower around the DC/DC converter.
● About heat loss
In heat design, operate the DC/DC converter in the following condition.
(The following temperature is a guarantee temperature, so consider the margin.)
1. Periphery temperature Ta must be less than 85 ℃
2. The loss of IC must be less than dissipation Pd.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
13/15
2011.06 - Rev.B
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