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| 型号： | A009-D-V-1000 |
| 厂商： | LEDdynamics Inc |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | LED DRIVER 32V 1A |
| 标准包装： | 10 |
| 系列： | BuckBlock™ A009 |
| 类型： | 恒定电流 |
| 拓扑： | 降压 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 10V |
| 电压 - 输入（最大）： | 32V |
| 输出电压： | 25.6V（最小值） |
| 电流 - 输出（最大）： | 1A |
| 功率（瓦特）： | 26W |
| 调光： | 模拟，PWM |
| 特点： | SCP |
| 工作温度： | -40°C ~ 80°C |
| 效率： | 90% |
| 端接类型： | 导线引线 |
| 尺寸/尺寸： | 2.00" L x 1.20" W x 0.38" H（50.8mm x 30.5mm x 9.5mm） |
| 安装类型： | 底座安装 |
| 其它名称： | 788-1037 |
A009 BuckBlock
TM
High Output Wide Range LED Power Module
DATA SHEET Page 5 of 9
Adjustable Current - External Control - “V” Model
Figures 14 and 15 show the ease of dimming the A009 BuckBlock TM High Output LED Power Module. Figure
14 shows the simplest dimming configuration using a 20K Ohm potentiometer. This gives a 0-100% range of
dimming. If multiple A009 modules are to be dimmed with a single potentiometer, the value of the
potentiometer should be approximately (20KΩ/N) where N is the number of modules.
Figure 15 shows a 0-10V wall dimmer, such as LEDdynamics A019 Low Voltage Dimming Control , being used
to control the LED brightness. This is the preferred choice for dimming multiple units, as the 0-10V dimmer
can handle several drivers. The 0-10V input can also be supplied by a commercial lighting controller that has
current-sinking 0-10V outputs, allowing the integration of LEDs with other forms of lighting in large
automated systems.
For large systems where several distant BuckBlock modules will be dimmed together, it is imporant to use a
heavier gauge wire (such as 18AWG) to run the DIM lines in a star wiring pattern (where each module has a
run all the way back to the dimmer). This will help to negate any voltage drops along the DIM wires that
could cause some lamps to dim differently than others.
For more advanced control, the 0-10V input can be Pulse Width Modulated (PWM). Figure 18 shows how
interfacing with a microcontroller can easily be accomplished with a 2N3904 or equivalent transistor. A PWM
frequency of 200Hz is recommended. This configuration can also be used to strobe or pulse the LEDs with a
TTL or CMOS logic signal.
In addition to the configurations described above, the BuckBlock may also be driven by a D to A converter.
The D/A converter must be able to sink at least 1ma of current from the 0-10V input of the BuckBlock. If the
D/A converter cannot sink current, a voltage follower with an open collector output should be used between
the D/A coverter and the 0-10V input.
If the dimming control circuit used with the BuckBlock has the potential to exceed 10V, current into the DIM
input needs to be limited to 10mA or less. See figure 8.
V in
0.5mA
Purple
Gray
Figure 8.
10V
To Dimming
Circuit
Dimming input equivalent circuit
LEDdynamics, Inc.
Figure 9.
Output vs. Dim Voltage
?2011 LUXdrive, A Division of LEDdynamics, Inc. www.LUXdrive.com.
Specifications subject to change without notice. April, 2011 - Rev 1.0
802.728.4533 P
802.728.3800 F
sales@LUXdrive.com
www.LUXdrive.com
Made in
the USA
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