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DS3984T Datasheet(PDF) 8 Page - Dallas Semiconductor |
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DS3984T Datasheet(HTML) 8 Page - Dallas Semiconductor |
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8 / 24 page  4-Channel Cold-Cathode Fluorescent Lamp Controller 8 _____________________________________________________________________ Functional Diagram I2C- COMPATIBLE INTERFACE 8-BYTE USER MEMORY EEPROM SYSTEM ENABLE/POR FOUR INDEPENDENT CCFL CONTROLLERS CHANNEL FAULT CHANNEL ENABLE [40kHz TO 80kHz] 4-PHASE GENERATOR x512 PLL 0 1 1 0 0 1 MUX RGSO BIT AT CR1.4 RAMP GENERATOR MUX POSCS BIT AT CR1.1 MUX DPSS BIT AT CR1.3 DPWM SIGNAL GND GBn GAn MOSFET GATE DRIVERS OVDn OVERVOLTAGE DETECTION LCMn LAMP CURRENT MONITOR FAULT HANDLING 40kHz TO 80kHz SDA I2C DEVICE CONFIGURATION PORT LAMP FREQUENCY INPUT/OUTPUT EXTERNAL RESISTOR LAMP FREQUENCY SET DPWM SIGNAL INPUT/OUTPUT ANALOG BRIGHTNESS CONTROL EXTERNAL RESISTOR DPWM FREQUENCY SET/ DPWM CLOCK INPUT SCL A0 FAULT LSYNC LOSC PSYNC BRIGHT POSC [20.48MHz TO 40.96MHz] 22.5Hz TO 440Hz 40kHz TO 80kHz OSCILLATOR ( ±5%) 22.5Hz TO 440Hz OSCILLATOR ( ±5%) LFSS BIT AT CR1.2 DPSS BIT AT CR1.3 UVLO VCC [4.5V TO 5.5V] SVM SUPPLY VOLTAGE MONITOR 2.0V CONTROL REGISTERS DS3984 |
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Similar Description - DS3984T |
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