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MAX16813 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX16813 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 27 page  (VIN = VEN = 12V, RRT = 12.25kΩ, RSETI = 15kΩ, CVCC = 1µF, NDRV = COMP = OUT_ = PGATE = unconnected, VRSDT = VDIM = VCC, VOVP = 0.7V, VCS = VLEDGND = VPGND = VSGND = 0V, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RT OSCILLATOR Switching Frequency Range fSW Frequency dithering disabled 200 2000 kHz Maximum Duty Cycle fSW = 200kHz to 600kHz 90 94.5 98.5 % fSW = 600kHz to 2000kHz 86 90.5 95 Oscillator Frequency Accuracy fSW = 200kHz to 2000kHz, frequency dither disabled -7.5 +7.5 % Frequency Dither fDITH Dither enabled, fSW = from 200kHz to 2000kHz -5 -7 -9 % Sync Rising Threshold 4 V Minimum Sync Frequency 1.1fSW kHz PWM COMPARATOR PWM Comparator Leading-Edge Blanking 60 ns PWM-to-NDRV Propagation Delay Including leading-edge blanking time 90 ns SLOPE COMPENSATION Peak Slope Compensation Current Ramp Magnitude Current ramp added to the CS input 45 50 55 µA CURRENT-SENSE COMPARATOR Current-Limit Threshold (Note 3) 396 416 437 mV CS Limit Comparator to NDRV Propagation Delay 10mV overdrive, excluding leading edge blanking time 10 ns ERROR AMPLIFIER OUT_ Regulation Voltage 1 V Transconductance gM VCOMP = 2V 340 600 880 µS No-Load Gain (Note 4) 75 dB COMP Sink Current VOUT_ = 2.25V, VCOMP = 2V 160 375 800 µA COMP Source Current VOUT_ = 0V, VCOMP = 1.0V 160 375 800 µA MOSFET DRIVER NDRV On-Resistance ISINK = 100mA (nMOS) 0.9 Ω ISOURCE = 50mA (pMOS) 1.1 Ω Peak Sink Current VNDRV = 5V 2 A Peak Source Current VNDRV = 0V 2 A Rise Time CLOAD = 1nF 6 ns Fall Time CLOAD = 1nF 6 ns Electrical Characteristics (continued) MAX16813 Integrated, 4-Channel, High-Brightness LED Driver with High-Voltage DC-DC Controller and Battery Disconnect www.maximintegrated.com Maxim Integrated │ 3 |
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