On Semi's NCL30160 is a constant current high brightness LED driver with integrated 1.0A MOSFET, input voltage from 6.3V to 40V, switching frequency up to 1.4MHz, hysteresis control with good power supply rejection during load transients and PWM dimming And fast response, no need for control loop compensation, adjustable LED current, mainly used in LED drivers , constant current sources, automotive lighting, general lighting and industrial lighting . This article describes the main features of the NCL30160, block diagram, application circuit and evaluation board NCL30160GEVB main features, circuit diagram, bill of materials and evaluation board NCL30160GEVB test program.
NCL30160GEVB: Up to 40V, 1A NCL30160 LED Driver Buck Evaluation Board 1.0A Constant-Current Buck Regulator for Driving High Power LEDs
The NCL30160 is an NFET hysteretic step? Down, constant? Current driver for high power LEDs. Ideal for automotive, industrial and general lighting applications utilizing minimal external components.
The NCL30160 operates with an input voltage range from 6.3 V to 40 V. The hysteretic control gives good power supply rejection and fast response during load transients and PWM dimming to LED arrays of varying number and type. A dedicated PWM input (DIM/EN) Enabled wide range of pulsed dimming and a high switching frequency up to 1.4 MHz allows the use of smaller external components minimizing space and cost. Protection features include resistor-programmed constant LED current, shorted LED protection, under-voltage and thermal shutdown. The NCL30160 Is available in a SOIC-8 package.
Main features of NCL30160:
•Integrated 1.0A MOSFET
• VIN Range 6.3 V to 40 V
•Short LED Shutdown Protection
• Up to 1.4 MHz Switching Frequency
• No Control Loop Compensation Required
•Adjustable LED Current
• Single Pin Brightness and Enable/Disable Control Using PWM
• Supports All-Ceramic Output Capacitors and Capacitor? Less Outputs
• Thermal Shutdown Protection
•Capable of 100% Duty Cycle Operation
•This is a Pb-Free Device
Typical application of NCL30160:
•LED Driver
•Constant Current Source
•Automotive Lighting
•General Illumination
•Industrial Lighting
NCL30160GEVB: Up to 40V, 1A NCL30160 LED Driver Buck Evaluation Board
Main features of NCL30160GEVB:
Integrated MOSFET capable of 1.0 A
Input voltage range from 6.3 V to 40 V
Dimming capability using PWM
LED short protection
Thermal shutdown protection
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