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MAX17061AETI+ Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX17061AETI+ Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 24 page 8-String White LED Driver with SMBus for LCD Panel Applications 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1. VIN = 12V, CCCV = 0.022µF, RCCV = 5.1kΩ, VISET = VOSC = VDD = VCC = 5V, RFSET = 464kΩ, VPWMI = GND, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER CONDITIONS MIN TYP MAX UNITS PWM FILTER PWM Output Impedance 20 40 60 k RFSET = 464k 197 200 203 RFSET = 113k 750 785 820 Hz RFSET = 65k 1.270 1.335 1.400 DPWM Oscillator Frequency RFSET = 42k 2 kHz PWMI Input Frequency Range 5 10 100 kHz PWMI Full-Range Accuracy 5 LSB PWMI duty cycle = 100% 98 100 PWMI duty cycle = 50% 48 50 52 PWMI Brightness Setting PWMI duty cycle = 0% 2.6 2.7 2.8 % SMBus TIMING SPECIFICATION SMBus Frequency FSMB 10 100 kHz Bus Free Time TBUF 4.7 μs START Condition Hold Time from SCL THD:STA 4 μs START Condition Setup Time from SCL TSU:STA 4.7 μs STOP Condition Setup Time from SCL TSU:STO 4 μs SDA Hold Time from SCL THD:DAT 300 μs SDA Setup Time from SCL TSU:DAT 250 μs SCL Low Period TLOW 4.7 μs SCL High Period THIGH 4 μs ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, VIN = 12V, CCCV = 0.022µF, RCCV = 5.1kΩ, VISET = VOSC = VDD = VCC, 5V = RFSET = 464kΩ, VPWMI = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER CONDITIONS MIN TYP MAX UNITS IN Input Voltage Range 7.5 26 V Rising edge 7.08 7.32 IN UVLO Threshold Falling edge 6.86 7.1 V IN Pin Input Current VIN = 26V MAX17061A is enabled 110 μA VCC Input Voltage 4.5 5.5 V VCC UVLO Threshold Rising edge, typical hysteresis = 10mV 4.00 4.45 V VCC Quiescent Current MAX17061A is enabled 2 mA VCC Shutdown Current MAX17061A is disabled 10 μA |
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