KC24W-300K Datasheet, PDF (2/4 Pages) MORNSUN Science& Technology Ltd. – CONSTANT CURRENT GREAT POWER BUCK LED DRIVER

INPUT VS OUTPUT
Input
voltage(VDC)
(V4D8C)
Output voltage
range(VDC)
3.3-36.0
36
3.3-32.0
24
3.3-21.0
20
3.3-17.0
15
3.3-13.2
12
3.3-10.0
5.5
3.3-4.0
Output constant
current (mA)
300
300
300
300
300
300
300
Output power
(W Max)
10.80
9.60
6.30
5.10
3.96
3.00
1.20
48
3.3-36.0
500
36
3.3-32.0
500
24
3.3-21.0
500
20
3.3-17.0
500
15
3.3-13.2
500
12
3.3-10.0
500
5.5
3.3-4.0
500
18.00
16.00
10.50
8.50
6.60
5.00
2.00
Input voltage
(VDC)
48
36
24
20
15
12
5.5
Output voltage
range(VDC)
3.3-36.0
3.3-32.0
3.3-21.0
3.3-17.0
3.3-13.2
3.3-10.0
3.3-4.0
Output
constant
cu3r5re0nt
350
350
350
350
350
350
48
3.3-36.0
600
36
3.3-32.0
600
24
3.3-21.0
600
20
3.3-17.0
600
15
3.3-13.2
600
12
3.3-10.0
600
5.5
3.3-4.0
600
Output power
(W Max)
12.60
11.20
7.35
5.95
4.62
3.50
1.40
21.60
19.20
12.60
10.20
7.92
6.00
2.40
48
3.3-36.0
700
36
3.3-32.0
700
24
3.3-21.0
700
20
3.3-17.0
700
15
3.3-13.2
700
12
3.3-10.0
700
5.5
3.3-4.0
700
25.20
22.40
14.70
11.90
9.24
7.00
2.80
TYPICAL APPLICATION CIRCUITS
+Vin
GND
1
4 +Vout
KC24W-XXXK
2
3 _-Vout ^{1st LED}
Last LED
+Vin
GND
1
4 _+Vout
KC24W-XXXK
2
3 ^-Vout
PTC PTC
1st LED
Last LED
(Figure 1) Series Application
(Figure 2) Parallel-series Application
If it is necessary to protect LED in actual application, you could connect a PTC to the input of every channel or all channels, as shown in Figure 2.
Note: The negative output terminal can’t connect GND, or the module may be damaged.
EMC RECOMMENDED CIRCUIT
RECOMMENDED PARAMETER
+Vi n
Tvs
GND
L1
C1 C2
C3
C4
KC2 4 W -XXXK
C5
(Figure 3) EMI/EMC recommended circuit
+Vou t
Load
-Vou t
+Vin
GND
L1
C1
1
4 ^+Vout
C2
KC24W-XXXK
2
3 -Vout 1st LED
Last LED
C4
(Figure 4) EMI/RFI conducted EN55022 Class B recommended circuit
Components
Specifications
Tvs
SMC51A,1500W（Bringtking）
L1
CD53-82μH（CEAIYA）
C1
470μF/100V（CapXon）
C2
225K/50V 1210 X7R
(TORCH)
C3
104K/50V 0805 X7R
(TORCH)
C4
105K/50V 1210 X7R
(TORCH)
C5
102K/2000V 1210 (TDK)
（choose）
Table 1
(Figure 3) Recommended parameter
Components
Specifications
C1
225K/50V 1210 ×7R
（TORCH）
C2、C4
104K/50V 1210 ×7R
（TORCH）
L1
PI043-131MT
（SHENZHEN CEAIYA）
Table 2
(Figure 4) Recommended parameter
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
KC24W -XXXK
2013.02.26-A/3 Page 2 of 4