LED Driver

KC24H-R Series

2014.02.28-A/3

Page 4 of 6

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Input

voltage(VDC)

Output voltage

range(VDC)

Constant

output current

(mA)

Output power

(W Max)

Input

voltage(VDC)

Output

voltage

range(VDC)

Constant

output current

(mA)

Output power

(W Max)

46

3.3-36.0

700

25.20

--

--

--

--

36

3.3-32.0

700

22.40

--

--

--

--

24

3.3-21.0

700

14.70

--

--

--

--

20

3.3-17.0

700

11.90

--

--

--

--

15

3.3-13.2

700

9.24

--

--

--

--

12

3.3-10.0

700

7.00

--

--

--

--

5.5

3.3-4.0

700

2.80

--

--

--

--

2. Typical application circuit

1st LED

Last LED

KC24H-xxxRX3

+Vin

GND

1

4

3

6

5

(PWM Dim/ ON/ OFF)

2

(Analogu e Dim)

+Vout

-Vout

Fig. 2 Application circuits in series

1st LED

Last LED

6

5

KC24H-xxxRX 3

+Vin

GND

4

1

2

(PWM Dim/ ON/ OFF)

3

(Analo gue Dim)

+Vout

-Vout

PTC

PTC

Fig. 3 Application circuits in series and parallel

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 4.

Note: The negative output terminal can’t connect GND, or the module may be damaged.

3. Recommended AC input circuit

1st LED

Last LED

KC24H-xxxRX3

5

6

AC IN

1

4

+

-

+Vout

-Vout

3

(PWM Dim/ON/OFF)

-

+

5VAC

~

32VAC

AC IN

2

(Analogue Dim)

C1

C2

D1

D4

D2

D3

Fig. 4

Components

Specification

C1

X1 Safety capacitor,

0.1μF /300VAC (QIYA)

C2

100μF /63V Electrolytic capacitor,

Φ

10×16(Flat surface)NCC

D1, D2, D3, D4

Rectifier diode

1N4007 1A/1000V D0-41(PANJIT)

4. EMC solution-recommended circuit

KC24H-xxxRX 3

+Vin

GND

Tvs

C1

C2

C3

C4

C5

L1

+Vout

-Vout

C6

R1

DIM*

1

4

6

2

5

①

1st LED

Last LED

Fig.5 Recommended EMC circuit

Note: Add circuit ① may let the ESD level of PWM-control pin reach to ±6KV.

Components

Specification

Tvs

SMC51A,1500W（ON）

L1

CD53-82μH（CEAIYA）

C1

470μF/100V（NCC）

C2

225K/50V 1210 X7R (TORCH)

C3

104K/50V 0805 X7R (TORCH)

C4

105K/50V 1210 X7R (TORCH)

C5

102K/2000V 1210 (TDK)（choose or no）

C6

470pF/100V 0805 (TORCH)

R1

680Ω 0805(can replaced by

inductance or magnetic bead)