| CPC9909: High Efficiency, Off-Line, High Brightness LED Driver |
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CPC9909 is a low cost, high-efficiency, offline, high-brightness (HB) LED driver manufactured using our high voltage BCDMOS on SOI process. This driver has an internal regulator that allows it to operate from 8VDC to 550VDC . This wide input operating voltage range enables the driver to be used in a broad range of HB LED applications. CPC9909 features pulse frequency modulation (PFM) with a constant peak-current control scheme. This regulation scheme is inherently stable, allowing the driver to be operated above 50% duty cycle without open loop instability or sub-harmonic oscillations. LED dimming can be implemented by applying a small DC voltage to the LD pin, or by applying a low frequency PWM signal to the PWMD pin. CPC9909 Data Sheet - Rev 3 : High Efficiency, Off-Line, High Brightness LED Driver |
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| Typical Application Circuit | ||
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| MXHV9910: Off-Line High Brightness LED Driver |
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MXHV9910 is a low-cost, high-brightness (HB) LED driver manufactured using our high-voltage BCDMOS on SOI process. The driver has internal circuitry that allows it to operate from a universal AC line or from 8Vdc to 450Vdc. This highly versatile input operating voltage enables this device to be used in a broad range of HB LED applications. MXHV9910 features a fixed-frequency, peak-current control method, which provides an ideal solution for driving multiple LEDs in series and in parallel. In addition, LED dimming can be implemented by applying a small DC voltage to the LD pin, or by a low-frequency digital PWM signal to the PWMD pin. MXHV9910 Data Sheet - Rev 3 : Off-Line, High Brightness LED Driver |
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Typical Application Circuit |
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