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Diodes Incorporated introduced the AL8807B dimmable buck LED Driver to reduce the number of components in 12V and 24V LED lighting systems and MR16 LEDs, as well as printed circuit board size. The AL8807B is a hysteretic control driver for integrated power transistors that operates at up to 1MHz. The device sets the output current only through an external sense resistor.
This driver applies a fast digital pulse width modulated signal to the control input for dimming; when low voltage is applied to the same input, the output power is turned off. The driver provides over temperature, LED open and short circuit protection to ensure the reliability of the luminaire.
The AL8807B is packaged in a small footprint and low thermal resistance MSOP-8EP package for higher power density to provide maximum allowable LED current over a wider operating temperature range. This driver delivers up to 1.3A of LED drive current and operates up to 96% efficiency from -40oC to +125oC.
The driver's voltage source is between 6V and 36V, providing constant current for high-brightness LED strings. The device's average LED current accuracy is better than 5%, helping to improve channel-to-channel current matching and meeting the requirements of most medium voltage LED lighting products.
Author:
Mr. Wayne Tang
Phone/WhatsApp:
April 03, 2023
March 29, 2023
April 03, 2023
April 03, 2023
1. Determine the size and shape of the heat sink required for your application. 2. Choose the appropriate extrusion aluminum heat sink based on the size and shape requirements. 3. Install the heat...
Extrusion aluminum heat sinks are commonly used in electronic devices to dissipate heat generated by electronic components such as transistors, diodes, and integrated circuits. The heat sink is...
Custom extrusion aluminum heat sink is a type of heat sink that is made by extruding aluminum material into a specific shape and size. The process involves forcing the material through a die to...
Extrusion aluminum heating sink is used to dissipate heat generated by electronic components such as transistors, diodes, and integrated circuits. The heat sink is attached to the component using...
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Author:
Mr. Wayne Tang
Phone/WhatsApp:
April 03, 2023
March 29, 2023
April 03, 2023
April 03, 2023
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.