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LED Drivers

LEDs are widely used in various applications due to their energy efficiency and low power consumption. To provide cost-effective illumination, it is important to use LED drivers that can deliver the light output of an LED precisely and safely. The LED40W-036-C1100 is a LED driver intended to provide a robust and reliable source of regulated driving current in LED lighting applications.

Application Field

The LED40W-036-C1100 is designed to provide a constant current LED supply solution that is appropriate for a wide range of applications. Mainly used in interior lighting, architectural lighting, commercial lighting, automotive lighting and outdoor lighting, the LED40W-036-C1100 is capable of providing a reliable and constant current of up to 36W, with a long life expectancy.

Working Principle

The LED40W-036-C1100 incorporates a flyback topology, which is driven by a pulse-width modulated (PWM) control. The internal switches of the driver regulate the delivered current and maintain the desired current to the LED array. The voltage applied to the LEDs is also controlled by the circuit, where the high-voltage level of up to 1100V is set by the PWM control system. The driver can be programmed to drive one or more LEDs in series or parallel combinations and can be enabled by a low-voltage input signal.

The driver features over-temperature protection to guard the LEDs against thermal derating. Additionally, an under-voltage lockout circuit enables the driver to keep the output current stable and stabilize the LED current over a wide range of input voltage. The driver also helps to minimize the potential luminous variation caused by operating temperature, ensuring a constant light output regardless of the ambient temperature.

Technical Specifications

The LED40W-036-C1100 features the following technical specifications:

• Vin range: 110-265VAC
• Input frequency: 47-63 Hz
• Output power: 36W maximum
• On/off input voltage:2-4V
• Voltage Output: 1100V maximum
• Current Output: 1.2A maximum
• Power factor:0.9
• Rated ambient temperature: -40°C to +90°C
• Relative humidity: 0-95% RH (non-condensing)

Conclusion

The LED40W-036-C1100 is a highly advanced LED driver which is suitable for a wide range of LED lighting applications. It is capable of delivering a constant current of up to 36W with excellent power factor and voltage regulation, and features additional protection circuits to ensure the safety of connected LEDs. The driver also features a long life expectancy and an operating temperature range of -40°C to +90°C.

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