AS3647-ZWLT

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The AS3647-ZWLT LED Driver from Diodes Incorporated is a PMIC (power management integrated circuit) designed for battery-powered LED lighting applications. The device is available in a 9-pin SOIC (small outline integrated circuit) package and provides a highly efficient solution for driving and controlling LEDs. The main features of this device include adjustable output current of up to 30mA, constant-current operation, and efficient powering of the LED. The device can be used to drive a wide variety of LED packages, including high-power LEDs.

The AS3647-ZWLT operates by providing a constant-current output, which is then adjusted to achieve the desired output power. Output current is controlled through an external resistor, allowing the user to fine-tune the output current to the desired level. The device also offers a soft start feature, which reduces inrush current and improves system protection. The device also provides a low quiescent current, which helps reduce system power consumption.

The device can be used in a variety of applications, including battery-powered LED flashlights, backlighting for LCD panels, or any system that requires adjustable output current. It is also suitable for automotive applications such as dynamic brake lights and license plate lights. The device is capable of driving multiple LEDs in parallel, making it ideal for applications that require simultaneous operation of multiple LEDs.

The AS3647-ZWLT has a wide input voltage range of 2.6V to 24V, allowing the device to be used in various applications. It also offers protection against galvanic surge, short-circuit, overtemperature and reverse voltage protection. The device is also AEC-Q100 qualified and is RoHS compliant.

The AS3647-ZWLT offers a robust and highly efficient LED driver solution for many applications. With its wide input voltage range, adjustable output current, protection features, and AEC-Q100 qualification, the device is a great choice for powering and controlling various LED packages in applications ranging from battery-powered flashlights to automotive lighting.

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