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MAX8761 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX8761 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 25 page Low-Cost, Linear-Regulator LCD Panel Power Supplies 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1. VIN = VINL = VSUPCP = 12V, VOUTL = VSUPB = 10V, VSRC = 27V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS VFBN = 350mV 3 6 Ω DRVN n-Channel On-Resistance VFBN = 150mV 20 k Ω FBN Fault Trip Level Rising edge 700 mV Negative Charge-Pump Soft-Start Period 2 12 oscillator clock cycles in a 7-bit DAC 2.73 ms SEQUENCE CONTROL SHDN Input Low Voltage 0.6 V SHDN Input High Voltage 2.0 V SHDN Input Current 1µA DLP Capacitor Charge Current During startup, VDLP = 1.0V 4 5 6 µA DLP Turn-On Threshold 2.375 2.5 2.625 V SHDN = low or fault tripped; DLP, FBP, FBN to GND 10 Ω Pin Discharge Switch On-Resistance SHDN = low or fault tripped; MODE, OUTL, OUTB to GND MAX8710, SHDN = low or fault trip; GON to GND 1k Ω POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES (MAX8710/MAX8761) CTL Input Low Voltage 0.6 V CTL Input High Voltage 2.0 V CTL Input Leakage Current -1 +1 µA CTL to GON Rising Propagation Delay VMODE = VREF, 1.5nF from GON to GND, VCTL = 0 to 3V step, no load on GON, measured from VCTL = 1.5V to GON = 20% 100 ns CTL to GON Falling Propagation Delay VMODE = VREF, 1.5nF from GON to GND, VCTL = 3V to 0 step, DRN falling, no load on DRN and GON, measured from VCTL = 1.5V to GON = 80% 100 ns SRC Input Voltage Range 28 V SRC Input Current VMODE = VREF, VDLP = 3V, CTL = high 150 250 µA DRN Input Current VMODE = VREF, VDRN = 8V, VDLP = 3V, VCTL = 0V 26 40 µA SRC Switch On-Resistance VMODE = VREF, VDLP = 3V, CTL = high 20 40 Ω DRN Switch On-Resistance VMODE = VREF, VDLP = 3V, VCTL = 0V 60 Ω MODE Switch On-Resistance 1k Ω Mode 2 MODE Capacitor Charge Current VMODE < MODE current-source stop voltage threshold 42 50 64 µA MODE Voltage Threshold for Enabling DRN Switch Control in Mode 2 2.3 2.5 2.7 V MODE Current-Source Stop Voltage Threshold VMODE rising, CMODE = 150pF 3.3 3.5 3.7 V THR to GON Voltage Gain 9.4 10 10.6 V/V GON Falling Slew Rate 13.5 V/µs |
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Similar Description - MAX8761 |
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