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DS3882E Datasheet(PDF) 5 Page - Maxim Integrated Products |
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DS3882E Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 30 page Dual-Channel Automotive CCFL Controller _____________________________________________________________________ 5 ACTIVE SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 5.20 5.15 4.80 4.85 4.90 5.00 5.05 4.95 5.10 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 4.0 4.75 5.25 DPWM = 10% DPWM = 50% DPWM = 100% SVML< 2V fLF:OSC = 64kHz GATE QC = 3.5nC ACTIVE SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 32.5 5.7 5.9 6.1 6.3 6.5 6.7 6.9 7.1 7.3 7.5 5.5 -40.0 105 VCC = 4.75V VCC = 5.0V VCC = 5.25V DPWM = 100% fLF:OSC = 64kHz GATE QC = 3.5nC INTERNAL FREQUENCY CHANGE vs. TEMPERATURE TEMPERATURE ( °C) 32.5 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 -1.0 -40.0 105 DPWM FREQUENCY LAMP FREQUENCY TYPICAL OPERATION AT 11V 10 µs 5.0V GA 10 µs 5.0V GB 10 µs 2.00V LCM 10 µs 2.00V OVD TYPICAL OPERATION AT 13V 10 µs 5.0V GA 10 µs 5.0V GB 10 µs 2.00V LCM 10 µs 2.00V OVD TYPICAL OPERATION AT 16V 10 µs 5.0V GA 10 µs 5.0V GB 10 µs 2.00V LCM 10 µs 2.00V OVD TYPICAL STARTUP WITH SVM 2ms 5.0V SVML 2ms 5.0V GB 2ms 2.00V LCM 2ms 2.00V OVD BURST DIMMING AT 150Hz AND 10% 1ms 5.0V GA 1ms 5.0V GB 1ms 2.00V LCM 1ms 2.00V OVD BURST DIMMING AT 150Hz AND 50% 1ms 5.0V GA 1ms 5.0V GB 1ms 2.00V LCM 1ms 2.00V OVD Typical Operating Characteristics (VCC = 5.0V, TA = +25°C, unless otherwise noted.) |
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