AS3693A QFN DB

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AS3693A QFN DB is an LED driver for evaluation boards, which can be used for regulating and powering LED devices. This LED driver combines an advanced power management with a wide range of features, including a wide operating temperature range, up to 120mA LED current, up to 8-bit PWM dimming control and a wide input voltage range of 4.5 V – 20V. The evaluation board includes a driver-controlled current regulator, a noise filter and thermal and over-current protection.

The AS3693A QFN DB Application Field is mainly focused on energy saving applications, such as LED floodlights, street lights, downlights, strip lighting, and automotive lighting. It is also used in industrial lighting, where it provides high precision lighting solutions. The evaluation boards also offer a variety of safety features, such as over temperature protection, over current protection and ESD protection.

The Working Principle of the AS3693A QFN DB is quite simple. It uses a buck-boost converter to provide a constant output voltage and current. The buck-boost regulator is highly efficient and can provide a low ripple current to enable better dimming control. The LED is connected to the LED driver, which adjusts its current and voltage depending on the temperature. The temperature is sensed by an on-board temperature sensor and the current and voltage adjustment is done by a digital signal processing algorithm.

The driver is also protected against electrical transients and over-temperature conditions. It uses a wide range of input voltages, from 4.5 V – 20V and can support a wide range of LED outputs, from 0.2V to 10V. In addition, it features a wide range of dimming techniques, such as Pulse Width Modulation, Constant Current Mode and Variable Pulse Width Modulation.

The AS3693A QFN DB Evaluation Board offers significant advantages over other LED drivers in the market. It is highly efficient, provides constant output voltage and current, and offers a wide range of dimming techniques. It also offers a wide range of safety features and is capable of operating in extreme environmental conditions. This LED driver is suitable for a variety of applications and is particularly useful in energy saving and industrial lighting.

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