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| IXYS Integrated Circuits Division High Voltage LED Drivers |
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| IX9950: 110VAC Multi-stage, Dimmable, AC Powered LED Driver(top) |
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IX9950 is a multi-stage LED driver that can be used to implement an efficient cost effective LED lighting system without the need for a transformer or inductor. Compared to previous direct AC drive systems, the IX9950 requires fewer external components and has less current distortion resulting in a more linear AC current and a higher power factor than previous stepped current implementations. (US Patents 9,544,961 : 9,924,573 : 9,992,833) The IX9950 is designed to operate from a 110VAC power source with only a diode bridge, a resistor, and a small low voltage capacitor. Designed to operate with a junction temperature of -40°C to +125°C, the integrated thermal management feature protects the die from thermal damage by reducing the LED current. The IX9950 is available in an SOIC(N)-16_EP thermally enhanced 16-pin narrow SOIC package with a bottom side exposed pad. IX9950 Data Sheet - Rev 1 : 110VAC Multi-stage, Dimmable AC Powered LED Driver |
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| IX9952: 230VAC Multi-stage, Dimmable, AC Powered LED Driver(top) |
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IX9952 is a multi-stage LED driver that can be used to implement an efficient cost effective LED lighting system without the need for a transformer or inductor. Compared to previous direct AC drive systems, the IX9952 requires fewer external components and has less current distortion resulting in a more linear AC current and a higher power factor than previous stepped current implementations. (US Patents 9,544,961 : 9,924,573 : 9,992,833) IX9952 is designed to operate from a 230VAC power source with only a diode bridge, a resistor, and a small low voltage capacitor. Designed to operate with a junction temperature of -40°C to +125°C, the integrated thermal management feature protects the die from thermal damage by reducing the LED current. The IX9952NE is available in an SOIC(N)-16_EP thermally enhanced 16-pin narrow SOIC package with a bottom side exposed pad. IX9952 Data Sheet - Rev 1 : 230VAC Multi-stage, Dimmable AC Powered LED Driver |
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| CPC9909: High Efficiency, Off-Line, High Brightness LED Driver (top) |
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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 5 : High Efficiency, Off-Line, High Brightness LED Driver |
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| MXHV9910: Off-Line High Brightness LED Driver (top) |
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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 4 : Off-Line, High Brightness LED Driver |
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