Diodes has listed the LED driver IC "AL8806" with a maximum supply current of 1.5A. This is the largest supply current of the LED driver IC provided by the company. Previously, the output current was up to 1A. Although depending on the forward voltage of the LED used, the product is capable of driving an LED string of up to eight components in series. Applicable to MR16 type LED lamps and general lighting fixtures for input AC/DC 12V.
According to reports, the LED driver IC uses a step-down DC-DC converter with integrated switching elements (power MOSFET), an on-resistance of 0.35 Ω (maximum), and a switching frequency of up to 1 MHz. Therefore, the external passive component can adopt a small component, thereby reducing the package area of ​​the printed substrate. There are four external components required. The input voltage range is from +6 to 30V. The maximum supply current to the LED string can be adjusted using an external resistor. The output current has a maximum error of ±5%. The conversion efficiency is up to 98%. Dimming supports two methods, namely, a PWM signal duty cycle control method and a DC voltage control method.
This new product has an output open circuit protection. The current consumption during standby is 350μA (maximum). The working joint temperature range is -40 to +125 °C. The package is MSOP-8EP. The price has not been announced.
According to reports, the LED driver IC uses a step-down DC-DC converter with integrated switching elements (power MOSFET), an on-resistance of 0.35 Ω (maximum), and a switching frequency of up to 1 MHz. Therefore, the external passive component can adopt a small component, thereby reducing the package area of ​​the printed substrate. There are four external components required. The input voltage range is from +6 to 30V. The maximum supply current to the LED string can be adjusted using an external resistor. The output current has a maximum error of ±5%. The conversion efficiency is up to 98%. Dimming supports two methods, namely, a PWM signal duty cycle control method and a DC voltage control method.
This new product has an output open circuit protection. The current consumption during standby is 350μA (maximum). The working joint temperature range is -40 to +125 °C. The package is MSOP-8EP. The price has not been announced.
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