Constant current LED driver for high-power LED Output current: Max 1200 mA Efficiency up to 97% Ultra wide range of voltage (input and output) Constant current mode, high power output PWM dimming & Analogue dimming Switching-on/off control function, continuous short circuit protection Built-in EMI filter circuit, meet EN55015 standards KC24H series is step-down constant current sources for driving high-power LED featured in high efficiency and wide range of input voltage, high operating temperature, and act in PWM dimming, analogue dimming and remote turn-off. The product can be widely applied to fields such as landscape lighting, specially-controlled lighting, backlight, business lighting, street lamp lighting, domestic lighting and automobile lighting. Selection Guide Input Approval Notes: 1. For the product 2. For the product 3. For the product 4. For the product Input Voltage (VDC) Nominal (range) Efficiency (%, Typ), @Full Load model without a suffix such as KC24H-1000, this product is an 8-pin product without the functions of analogue dimming and PWM dimming. model with a suffix X1 such as KC24H-1000X1, this product is a 9-pin product only with the function of analogue dimming. model with a suffix X2 such as KC24H-1000X2, this product is a 9-pin product only with the function of PWM dimming. model with a suffix X3 such as KC24H-1000X3, this product is a 10-pin product with the functions of analogue dimming and PWM dimming. Input Specifications Item Operating Conditions Input Voltage Range Input Voltage Limit Min. Input-output Voltage Drop Input voltage range Input Filter Output Specifications Item Output Power Operating Conditions Output Current Accuracy Output Current Stability Temperature Drift Coefficient Ripple & Noise* Over temperature Protection Self-recovery after cooling Short Circuit Protection Continuous, Automatic Recovery Note: * Ripple and noise tested with “parallel cable” method, please see DC-DC Converter Application Notes for specific operation methods. General Specifications Operating Conditions Operating Temperature Storage Temperature MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of fin

Operati ng Temp erature (°C) MORNSUN GUANGZHOU SCIGNC6 & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

LED Driver KC24H Series Efficiency Vs output voltage (Vin=36V) KC24H-1000X3 KC24H-1200X3 Design Reference 1. Input/output relationship KC24H-1000(X1/X2/X3) Input voltage (VDC) Output Constant voltage range output current (VDC) (mA) Constant Output voltage output current range (VDC) (mA) 2. Typical application circuit (Analogue Dimming) (An alogu e Dim) Fig. 2 Application circuits in series Fig. 3 Application circuits in series and parallel Notes: ① If the product is applied to high voltage condition (higher than 40V), the input terminal must be provided with an additional capacitor (≥47μF/100V)...

LED Driver KC24H Series 3. Recommended AC input circuit (Ana logue Dimming) AC IN 9VAC ~ 32VAC Safety-regulated X1 film capacitor, 0.1μF/3000VAC 100μF/100V electrolytic capacitor 4. EMC solution-recommended circuit (Analogue Dimmin g) Vin current from the customer Specification Selected based on the actual input EMC solution-recommended circuit PCB layout 5. PWM dimming control PWM Control Signal Output Current Output Current(LED turned on) Output Current(LED turned off) For PWM dimming signals with a certain frequency, the output current of the driver is related to the duty ratio of PWM signal....

Fig. 7 PWM dimming frequency and output current (D=50%) Analogue dimming and typical application Fig. 9 Analogue dimming circuit Dimming Duty Ratio(%) Fig. 8 Dimming duty ratio and output current (f=200Hz) MORNSUN GUANGZHOU 5CIGNC6 & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interp

Notes: 1. Packing Information please refer to 'Product Packing Information'. Packing bag number: 58000150; 2. If the product is not operated within the required load range, the product performance can not be guaranteed to comply with all performance indexes in the datasheet; 3. Unless otherwise specified, data in this datasheet should be tested under the conditions of Ta=25°C, humidity<75% when inputting nominal voltage and outputting 5 LEDs; 4. All index testing methods in this datasheet are based on our Company’s corporate standards; 5. The performance indexes of the product models listed in...