LNK458KG-TL

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LNK458KG variants are programmable Off-Line lighting controllers specifically designed to drive high Brightness LEDs. The LNK458KG-TL integrates a high voltage, high current totem pole MOSFET and integrated Fault Blanking. It supports many popular dimming protocols, like 1-10V dimming, direct Analogue dimming, phase-cut dimming, and pulse-width modulation dimming. Additionally, it is also equipped with programmable current level. This allows the system to safely and accurately control the current supplied to the LEDs by the driver.

The LNK458KG is a highly integrated and energy efficient switching converter that operates in a pulse width modulation (PWM) mode. It can be used for off-line lighting system applications that require high efficiency, low acoustic noise, programmable features and accurate current control. It is already a popular solution for LED lighting systems such as LED tubes, LED strips, spotlights, and industrial LED applications.

The LNK458KG is a highly programmable, low cost solution for driving LEDs. It integrates a primary side pre-regulated boost converter, a totem pole MOSFET, a Fault Blanking circuit, an external programmable current sensing and control circuit, an external power MOSFET and several other control circuits. All these components come together to form a highly efficient, low cost module that can be used to drive LED lighting systems.

The primary side pre-regulated boost converter allows the system to maintain a constant LED conduction voltage without needing an optical feedback system. This makes for simpler, cost- effective, and more reliable system designs. Additionally, the totem pole MOSFET and Fault Blanking circuit add further protection for sensitive LED strings and critical components.

The LNK458KG-TL is designed for applications from 12 Watts up to 56 Watts, and is available in both surface mount and through-hole packages. This device supports many popular dimming protocols, like 1-10V, and direct Analogue dimming. It also has many programmable features, such as current level and dimming mode, which further enhances its performance and application flexibility.

In addition to providing the ability to drive multiple strings of LEDs, the LNK458KG-TL also features other beneficial features such as pre-regulated output voltage, high switching frequency, low acoustic noise, and advanced protection functions. This makes it a great choice for designers looking to drive multiple LEDs efficiently and effectively, while still providing protection to the LEDs or system.

In summary, the LNK458KG-TL is a high-efficiency, low acoustic noise, cost-effective programmable off-line lighting controller that is specially designed to drive high Brightness LEDs. It integrates many features and protection circuits to provide reliable operation with great accuracy and flexibility. This makes it a great choice for LED lighting systems, such as LED tubes, LED strips, spotlights, and industrial LED applications.

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