HV9930DB2 Supertex, HV9930DB2 Datasheet
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HV9930DB2
Specifications of HV9930DB2
Related parts for HV9930DB2
HV9930DB2 Summary of contents
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... Supertex inc. Boost-Buck High Brightness General Description The HV9930DB2 is a LED driver demoboard capable of driving 4 3-watt LEDs in series from an input 25V DC. The demoboard uses Supertex’s HV9930 in a boost-buck topology. The converter has excellent line and load regulation over the entire input and output voltage range ...
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... PWM dimming frequency, the best PWM dimming ratio can be obtained at lower frequencies like 100 or 200Hz. Typical Results Fig.1 shows the efficiency plot for the HV9930DB2 over the input voltage range. The converter has efficiencies greater than 80% over 13V input. 90 ...
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... Supertex inc. Fig. 7 shows the PWM dimming performance of the HV9930DB1 with a 250Hz, 5.0V square wave signal. The converter can easily operate at PWM dimming duty cycles from 1% - 99%. 1235 Bordeaux Drive, Sunnyvale, CA 94089 3 HV9930DB2 Fig. 7 PWM Dimming Performance ( (b) - 50% (c) - 99% Tel: 408-222-8888 www.supertex.com ...
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... These rise and fall times can Fig. 8 Dynamic Performance during PWM Dimming (a) - Rise Time (b) - Fall Time Supertex inc. be reduced (if desired) by reducing the output capacitance C6. However, this will lead to increased ripple in the output current. 1235 Bordeaux Drive, Sunnyvale, CA 94089 4 HV9930DB2 Tel: 408-222-8888 www.supertex.com ...
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... Board Layout and Connections Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 5 HV9930DB2 1 3 Tel: 408-222-8888 www.supertex.com ...
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... Top Layer Bottom Layer Silk Screen Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 6 HV9930DB2 Tel: 408-222-8888 www.supertex.com ...
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... Coiltronics UP4B-151 Coiltronics DR125-221 IR IRF7452 Zetex Inc. FMMT2907ATA Panasonic ERJ-12ZQJR47U Panasonic ERJ-12ZYJ8R2U Panasonic ERJ-12ZQJR39U Yageo 9C08052A4421FKHFT Yageo 9C08052A10R0FKHFT Yageo 9C08052A1002FKHFT Yageo 9C12063A1R28FGHFT Yageo 9C08052A1000FKHFT Yageo 9C08052A4321FKHFT Supertex HV9930LG-G (website: http//www.supertex.com) Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com ...