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| 型号： | BD6142AMUV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 13/33页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER SGL STEP UP 24QFN |
| 标准包装： | 2,500 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz ~ 1.5MHz |
| 电源电压： | 4.2 V ~ 27 V |
| 输出电压： | 41V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | VQFN024V4040 |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
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BD6142AMUV
Datasheet
● Control Signal input timing
Timing sequence1
Referring to Figure 20, the recommended turn “on” sequence is VIN followed by ENABLE and PWM.
The recommended turn ”off” sequence is ENABLE and PWM followed by VIN. This sequence is recommendation.
LED IC Timing Sequence for PWM Control Turn-on
4.2 to 27V
VIN
VIN
0V
Min 0μs
2 to 5V
ENABLE,
PWM
ENABLE 0 to 0.8V
PWM
0 to 0.8V
Min 0μs
2 to 5V
*other signal is input after a signal turned on.
Power ON
Power OFF
Figure 20. Timing sequence1
LED IC Timing Sequence for PWM Control Turn-off
4.2 to 27V
VIN
2 to 5V
Min 0μs
0V
ENABLE
PW M
2 to 5V
Min 0μs
0 to 0.8V
0 to 0.8V
*other signal is input after a signal turned off.
Timing sequence2
Referring to Figure 21, the recommended turn “on” sequence is VIN, ENABLE followed by PWM.
The recommended turn “off” sequence is followed ENABLE and VIN by PWM.
LED IC Timing Sequence for PWM Control Turn-on
VIN, ENABLE
2 to 5V
ENABLE 0 to 0.8V
Min 0μs
4.2 to 27V
PWM
VIN
0V
Min 0μs
2 to 5V
PWM
0 to 0.8V
Power ON
Power OFF
*other signal is input after a signal turned on.
Figure 21. Timing sequence2
LED IC Timing Sequence for PWM Control Turn-off
2 to 5V
ENABLE
4.2 to 27V
Min 0μs 0 to 0.8V
VIN
PWM
2 to 5V
Min 0μs
0V
0 to 0.8V
*Other signal is input after a signal turned off.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
13/30
TSZ02201-0G3G0C400340-1-2
03.Dec.2012 Rev.001
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