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参数资料
| 型号： | BD6583MUV-AE2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 17/35页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER WHIT BCKLGT 24VQFN |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 6 |
| 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： | 43V |
| 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： | 标准包装 |
| 工作温度： | -30°C ~ 85°C |
| 产品目录页面： | 1372 (CN2011-ZH PDF) |
| 其它名称： | BD6583MUV-ADKR BD6583MUV-ADKR-ND BD6583MUV-AE2DKR |
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BD6583MUV-A
Datasheet
In addition, the selection number of parallel number of the current driver is changed, the power-supply current of RSTB will
be increased. Because the maximum value of the consumption current at the RSTB=2.1V is indicated in the following Table
1, be careful enough when you calculate the restriction resistance.
Table1. The use parallel number of current driver at RSTB=2.1V , 100 ℃ vs. RS TB input current
Parallel numbers used for current driver RSTB input current
6 0.12mA
5 0.23mA
4
3
2
1
0
0.33mA
0.43mA
0.53mA
0.63mA
0.74mA
● Start to use PWMPOW terminal for the PWM control, PWM operating
After RSTB and PWMDRV is changing L ? H, input PWM to PWMPOW terminal.
There is no constraint in turn of RSTB and PWMDRV.
And, because it corresponds to PWM drive of shorter ON time than soft start time (1ms), when PWMPOW is input H more
than three times, the soft start is invalidated and it enable to correspond the high-speed drive. Until RSTB is set L,
invalidation of the soft start isn't canceled.
In case of lighting ? light off ? lighting, when it turns off the lights with PWM=L and It starts without soft start when it sets
PWM modulated light again.
But the peak current of the coil changes owing to discharge of output capacitor, It may flow to the over current limit value,
as follows Figure 37. Because soft start can be used when it turns off the lights with RSTB=L, The peak current of the coil
can be suppressed, as follows Figure 38 and this process of light off is recommended.
RSTB
PWMDRV
PWMPOW
Output Voltage
Current coil
Figure 37. Light off control of PWMPOW pin at PWM control on PWM=L
RSTB
PWMDRV
PWMPOW
Output Voltage
Current coil
Figure 38. Light off control of PWMPOW pin at PWM control on RSTB=L
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
17/32
TSZ02201-0G3G0C400180-1-2
03.Dec.2012 Rev.001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BD6583MUV-E2 | 功能描述:LED照明驱动器 72 LEDs 2.7-22V 43V Max Out 25mA Out RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| BD6586MUV | 制造商:ROHM 制造商全称:Rohm 功能描述:Silicon Monolithic Integrated Circuit |
| BD6586MUV_11 | 制造商:ROHM 制造商全称:Rohm 功能描述:White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type) |
| BD6586MUV-E2 | 功能描述:LED照明驱动器 24 LEDs 2.7-5.5V 24V Max Out 25mA Out RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| BD6590MUV | 制造商:ROHM 制造商全称:Rohm 功能描述:White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type) |
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