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KC24H-1000X2 Datasheet(PDF) 5 Page - MORNSUN Science& Technology Ltd.

Part # KC24H-1000X2
Description  CONSTANT CURRENT HIGH POWER LED DRIVER
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Manufacturer  MORNSUN [MORNSUN Science& Technology Ltd.]
Direct Link  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

KC24H-1000X2 Datasheet(HTML) 5 Page - MORNSUN Science& Technology Ltd.

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The copyright and authority for the interpretation of the products are reserved by MORNSUN
KC24H
A/1-2012
Page 5 of 5
For the rated frequency PWM dimming, the output current of driver matters to the pulse width of the PWM signal. and the numerate please refer to
the following formula:
T
Io_norm
Io_set =
(DT-0.75)
Io_set refers to the expected output current value (mA) , Io_norm refers to the rated output current (mA) , D refers to the pulse width of the PWM
signal (%),T refers to the cycle of the PWM signal (ms).
Note: The formula only supplies as a reference, and the output current may be a little deviation with different load. The Ton(min) of PWM signal
must be greater than 0.75ms, or the driver can
’t operate normally. It is natural for the driver to generate an audibly noise in dimming process, because
the frequency of the control circuit is within human audibly range (20Hz~20KHz). In order to avoid the human eye can observe the LED flashes, the
PWM dimming frequency is recommended to set above 100Hz.
PWM curve(Vin=24V,5LEDs):
PWM Frequency VS Output
current(D=50%)
0
100
200
300
400
500
600
80
100
125
150
175
200
250
PWM Frequency
KC24H-1000X3
KC24H-1200X3
Output current VS Pulse width of the
PWM signal (f=200Hz)
0
100
200
300
400
500
600
700
800
900
1000
20
30
40
50
60
70
80
90
Pulse width of the PWM signal
KC24H-1000X3
KC24H-1200X3
(Figure 5) PWM Frequency VS Output current(D=50%)
(Figure 6) Output current VS Pulse width of the PWM signal (f=200Hz)
3) Analogue Dimming Control And Application Example
1st LED
Last LED
KC24H-xxxX3
+Vin
GND
5K1
5K6
On/Off
(Optional)
0-10V
22,23
2,3
14,16
9,11
4
21
+LED
-LED
0%
100%
Voltage Control(0-15V max)
0.2 V
1V
2V
3V
4V
5V
1 5V
Analogue Input Voltage
(Figure 7) Analogue dimming circuit
(Figure 8) Output current VS analogue input voltage
4) No parallel connection(output) or plug and play
Note:
1. Operation under minimum load will not damage the converter; However, they may not meet all specification listed.
2. All specifications measured at Ta=25
°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
3. In this datasheet, all the test methods of indications are based on corporate standards.
4. Only typical models listed, other models may be different, please contact our technical person for more details.
5. Our company offer custom products.
6. Specifications subject to change without notice.
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development center, Science Ave., Guangzhou Science City, Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com


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