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参数资料
| 型号： | DK-136M-1 |
| 厂商： | Luminus Devices Inc |
| 文件页数： | 10/15页 |
| 文件大小： | 0K |
| 描述： | KIT DEV PHLATLIGHT CBT/PT LED |
| 标准包装： | 1 |
| 系列： | PhlatLight® |
| 主要目的： | 照明，LED |
| 已用 IC / 零件： | CBT，PT 系列 |
| 已供物品： | 2 个板，线缆，文档，散热片，硬件 |
| 其它名称： | 1214-1133 |
Evaluation Kit Manual - Revision A
monitor current through the device. The output is 10mV/
Amp. It is good practice to always monitor this output to
make sure that the device is always driven within its limits.
12. Turn the knob on the driver card clockwise while monitoring
the current. This will drive more current in the device.
13. To operate in pulse mode, connect a pulse generator to
"Pulse Input" BNC. Pulse Generator should have an output
signal set to TTL levels or 0-5V. Using an oscilloscope, moni-
tor the pulse generator output at the "PULSE INPUT" test
point.
14. Turn the current control knob all the way counter clockwise
and set the right switch to "PULSE". The driver card is now op-
erating the device in pulse mode. The "Current Control" knob
sets the amplitude of the current and the pulse generator
sets the width of the pulse. Proper operation is best moni-
tored by using a photodetector to monitor device's light out-
put. Current amplitude can still be monitored using the "LED
Figure 17 shows the input and output pulse.
Figure 17: Input and output pulse (example)
CURRENT" test point.
Figure 18 shows the rise time of the output pulse (rise time 1 μs).
16. Device current amplitude can also be controlled using an ex-
ternal signal. Connect a signal source (0-5V max) to the
"CURRENT CONTROL INPUT" BNC. Monitor using the "CUR-
RENT CONTROL" test point. Switch the middle switch to
"CURRENT CONTROL" and the driver now uses the input signal
instead of the current control knob to set the LED current
amplitude. This input can be used both in CW and Pulse
mode. Note that the max output current corresponds to 5V
input and is the maximum level specified for the specific
driver card regardless of whether operation is CW or Pulse.
Note 1: Due to the high amount of current generated by the driv-
er card, there is some audible noise created by the circuit. This
issue is known and is being worked on for next revision of the
driver card.
Note 2: Always refer to the technical data sheet of the device for
recommended operating current values.
Figures 17, 18 and 19 show oscilloscope traces for a GREEN Phlat-
Light? PT120 device operated at 30A, 50% duty cycle and 2.88kHz
frequency. The pink trace is the input pulse and the green trace
Figure 19 shows the fall time of the output pulse (fall time 1 to 2
μs).
Figure 18: Rise time (example)
is the photodetector output. These traces are shown for refer-
ence. Actual waveforms may depend on individual driver boards,
devices and settings.
Confidential ? Luminus Devices, Inc. - All Rights Reserved
Page 10
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