TLED25W-036-C0700-D

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LED Drivers

TLED25W-036-C0700-D is a LED Driver controller that combines the convenience of a high switching frequency PFC boost pre-regulator, with the intelligence of adaptive on-time and constant frequency control. It is designed for a range of high power LED applications such as downlights, bulbs, wall washer lights and commercial lighting.

The TLED25W-036-C0700-D comes with a wide input voltage range of 85VAC to 305VAC and provides an output voltage up to 36V DC for a maximum power of 25W. It adopts Constant Frequency Current Mode Technology (CFCM) to achieve a high stability, low noise, high efficiency and wide dimming range as low as 1-100%. It also features an aesthetic LED light effect, programmable dimming line, flicker-free dimming and over-temperature, over-voltage and over-current protection.

The total harmonic distortion (THD) of the TLED25W-036-C0700-D is less than 20%. It has a high power factor of greater than 0.92 for over 150W load, and a system efficiency of 95.2% with 0.15Ω ultra low output current ripple.

Some of the main applications of the TLED25W-036-C0700-D driver include commercial lighting, downlight, ceiling light, wall washer, decorative lighting and bulb lighting. However, due to the power of the device it can be used to control a range of other medium to high power LED lighting applications.

Working Principle

The TLED25W-036-C0700-D is designed to be used in applications that require dimming or constant current control of high power LEDs. It works by changing the frequency of the LED current which allows the LED intensity to be controlled accurately. Depending on the model, the frequency can be changed manually or automatically via a built in dimming signal.

The TLED25W-036-C0700-D LED driver utilizes Constant Frequency Current Mode Technology (CFCM) to achieve a high stability, low noise, high efficiency and wide dimming range as low as 1-100%. In addition, it features a built-in timer for linear dimming and a programmable dimming line to ensure a flicker-free dimming. It also includes over-temperature, different dimming sources and integrated power factor correction.

The TLED25W-036-C0700-D uses PFC boost pre-regulator to step up the input voltage and current to the desired level. The power supply boosts a certain amount of energy that is needed to drive the LEDs and this is what determines the LED brightness. The energy from the input current is delivered to the LED in a constant current regardless of the input voltage. This helps to ensure that LEDs will function at the indicated light levels and provides a consistent LED brightness throughout the supply range.

The TLED25W-036-C0700-D also features an adaptable step-down converter for regulating the LED current. This is achieved by sensing the LED current using a current sensing resistor, and then using the current information to adjust the voltage applied to the LED to maintain a constant current. This helps to ensure that the LEDs will remain at a constant luminance even as the input voltage changes.

Overall, the TLED25W-036-C0700-D provides a practical and efficient solution for high power LED applications. It is able to produce high power with a low total harmonic distortion, while providing features such as programmable dimming, over-temperature protection and integrated power factor correction.

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