AS3648B-ZWLM

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The AS3648B-ZWLM is a high-accuracy LED Driver with a wide range of applications and low working current requirements. This versatile LED driver is capable of providing industry-leading linear current regulation for a wide range of LED applications, including low-power designs for battery-powered devices, as well as high-intensity LEDs for display and lighting applications.

The AS3648B-ZWLM is a constant-current LED driver that provides both single-current and multiple-current outputs. It includes two control channels, meaning that users can adjust the LED current with either a PWM signal or a linear voltage regulation. The chip is capable of supporting up to four independent LED current outputs, meaning that users can precisely control the LED brightness over the whole range of output current.

The device\'s integrated power-efficient switched-mode design minimizes heat dissipation and increases the system efficiency, while reducing component count and cost. The chip includes two N-channel MOSFETs that can switch up to 100 mA with minimal RMS current losses, and it requires only a single inductor to supply power.

AS3648B-ZWLM features excellent linear current regulation, enabling the product to drive LEDs accurately and independently at up to 95.5% efficiency. At the same time, the chip provides a wide operating temperature range, making it suitable for a variety of outdoor applications. This device also features a flexible and programmable protection feature, including overtemperature, and over/under voltage protection.

The AS3648B-ZWLM is a highly accurate and efficient LED driver that is suitable for a variety of applications, including mobile phone displays and lighting applications. This chip is perfect for users who need a low working current, accurate linear current regulation, and a wide operating temperature range.

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