Главная> Блог> Diodes high power factor boost LED driver, effectively reducing the footprint of the dimmable MR16 LED lamp circuit

Diodes high power factor boost LED driver, effectively reducing the footprint of the dimmable MR16 LED lamp circuit

January 28, 2023
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Diodes Incorporated (Diodes Incorporated) having a current rise Release, buck and inverter functions - DC converter AL8812. The device integrates a 60V/3.6A NMOS channel to meet the basic functions of the DC-DC controller in a compact dual-band thermal pad DFN6040-12 package that reduces the form factor of the MR16 LED lamp circuit.

The ootprint of the AL8812 is 6mm x 4mm and the height of the board is only 0.6mm. The converter includes a temperature compensated reference, a comparator, a duty-controlled oscillator with an active current limit circuit, a driver, and a high current output switch.

The AL8812's input voltage range is 3V to 20V and the output voltage can be adjusted up to 60V. The new device operates over a wide supply voltage range and is suitable for medium voltage LEDs, 12VAC lighting applications and dimmable MR16 LEDs.

The converter typically has a shutdown current of less than 0.01μA and a maximum output switching current of 3.6A. It is equipped with an accurate reference of 2% tolerance and provides very precise voltage and current control.

Diodes combines the AL8812 with the constant current step-down converter AL8807A to provide a two-stage reference design for dimmable MR16 LEDs, providing good transformer compatibility and low current ripple at a very affordable bill of materials cost. wave.

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Author:

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Phone/WhatsApp:

+886916140279

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