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MAX15005AAUE+ Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX15005AAUE+ Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 27 page  4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (VIN = 14V, CIN = 0.1μF, CVCC = 0.1μF // 1μF, CREG5 = 1μF, VON/OFF = 5V, CSS = 0.01μF, CSLOPE = 100pF, RT = 13.7k Ω, CT = 560pF, VSYNC = VOVI = VFB = VCS = 0V, COMP = unconnected, OUT = unconnected. TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are referenced to PGND, unless otherwise noted.) (Note 1) (Figure 5) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS COMP Source Current ICOMP- SOURCE VFB = 1V, VCOMP = 4.5V 1.3 2.8 mA COMP High Voltage VOH-COMP VFB = 1V, ICOMP = 1mA (sourcing) VREG5 - 0.5 VREG5 - 0.2 V COMP Low Voltage VOL-COMP VFB = 1.5V, ICOMP = 1mA (sinking) 0.1 0.25 V Open-Loop Gain AEAMP 100 dB Unity-Gain Bandwidth UGFEAMP 1.6 MHz Phase Margin PMEAMP 75 degrees COMP Positive Slew Rate SR+ 0.5 V/μs COMP Negative Slew Rate SR- -0.5 V/μs PWM COMPARATOR Current-Sense Gain ACS-PWM ΔVCOMP/ΔVCS (Note 5) 2.85 3 3.15 V/V PWM Propagation Delay to OUT tPD-PWM CS = 0.15V, from VCOMP falling edge: 3V to 0.5V to OUT falling (excluding leading-edge blanking time) 60 ns PWM Comparator Current-Sense Leading-Edge Blanking Time tCS-BLANK 50 ns CURRENT-LIMIT COMPARATOR Current-Limit Threshold Voltage VILIM 290 305 317 mV Current-Limit Input Bias Current IB-CS OUT= high, 0 ≤ VCS ≤ 0.3V -2 +2 μA ILIMIT Propagation Delay to OUT tPD-ILIM From CS rising above VILIM (50mV overdrive) to OUT falling (excluding leading-edge blanking time) 60 ns ILIM Comparator Current-Sense Leading-Edge Blanking Time tCS-BLANK 50 ns Number of Consecutive ILIMIT Events to HICCUP 7 HICCUP Timeout 512 Clock periods SLOPE COMPENSATION (Note 6) Slope Capacitor Charging Current ISLOPE VSLOPE = 100mV 9.8 10.5 11.2 μA Slope Compensation CSLOPE = 100pF 25 mV/μs Slope Compensation Tolerance (Note 2) CSLOPE = 100pF -4 +4 % CSLOPE = 22pF 110 Slope Compensation Range CSLOPE = 1000pF 2.5 mV/μs |
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