CAV4201TD-GT3

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Modern illumination systems are increasingly seen to incorporate the use of efficient LED lighting to replace traditional light sources. CAV4201TD-GT3 is a PMIC – LED Driver designed to deliver an efficient and reliable operation for high-power LED lighting. This driver is suitable for a wide range of applications, including indoor/outdoor lighting and vehicular/street lighting.

CAV4201TD-GT3 is a fully integrated controller and current source, which employs a Resonant Converter to deliver constant current and to regulate the efficiency of the LED string. The main reference voltage for the control loop regulator is set with an external resistive divider, which allows for a great ease of operation. This driver provides a wide range of output current – up to 2A –, with a low input voltage of 10-25V and a maximum operating temperature of up to +85°C.

Moreover, the CAV4201TD-GT3 features a wide range of protection features, such as Over Current Protection, Short Circuit Protection, Open Loop Protection and Over Voltage Protection. The latter two will enable a safe operation under any condition, while the OC protection will prevent any damage to the LED string. Additionally the driver is also equipped with an active PFC controller, whose main purpose is to reduce the RMS current drawn from the AC mains.

At its core, the CAV4201TD-GT3 driver consists of two distinct sections: a Pulse Width Modulator (PWM) based control section – with its integrated current source – and a Resonant section, which is used to generate the necessary power for the LED string. In order to provide the necessary high-efficiency operation the PWM operates in conjunction with a maximum duty-cycle of 95%, while the power stage uses an optimized resonant topology.

The CAV4201TD-GT3 driver can be used in a wide range of application fields, as its output current – as well as the input voltage range – can be set to any desired value. This makes it suitable for use in both indoor and outdoor lighting applications – such as street, parking, general and special purpose lighting –, as well as in the automotive industry, where its protection features and high-efficiency operation are invaluable.

In conclusion, the CAV4201TD-GT3 PMIC – LED Driver is an efficient and reliable solution for driving high-power LED strings. With its wide range of features, such as protection features, adjustable output current and wide range of operating temperatures, the CAV4201TD-GT3 is suitable for a variety of LED lighting applications.

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