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MAX5095CAUA+ Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX5095CAUA+ Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 22 page High-Performance, Single-Ended, Current-Mode PWM Controllers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = +15V, RT = 10k Ω, CT = 3.3nF, REF = open, CREF = 0.1µF, COMP = open, VFB = 2V, CS = GND, TA = TJ = -40°C to +85°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX5094A/B (Note 3) 0.95 1 1.05 MAX5094C/MAX5094D (Note 3) 0.275 0.3 0.325 Maximum Current-Sense Signal VCS_MAX VCOMP = 5V, MAX5095 0.275 0.3 0.325 V Power-Supply Rejection Ratio PSRR 12V ≤ VCC ≤ 25V 70 dB Input Bias Current ICS VCOMP = 0V -1 -2.5 µA Delay From CS to OUT tCS_DELAY 50mV overdrive 60 ns MOSFET DRIVER OUT Low-Side On-Resistance VRDS_ONL ISINK = 200mA 4.5 10 Ω OUT High-Side On-Resistance VRDS_ONH ISOURCE = 100mA 3.5 7 Ω ISOURCE (Peak) ISOURCE COUT = 10nF 2 A ISINK (Peak) ISINK COUT = 10nF 1 A Rise Time tR COUT = 1nF 15 ns Fall Time tF COUT = 1nF 22 ns UNDERVOLTAGE LOCKOUT/STARTUP Startup Voltage Threshold VCC_START 7.98 8.40 8.82 V Minimum Operating Voltage After Turn-On VCC_MIN 7.1 7.6 8.0 V Undervoltage-Lockout Hysteresis UVLOHYST 0.8 V PWM MAX5094A/MAX5094C/MAX5095A 94.5 96 97.5 Maximum Duty Cycle DMAX MAX5094B/MAX5094D/MAX5095B/ MAX5095C 48 49.8 50 % Minimum Duty Cycle DMIN 0% SUPPLY CURRENT Startup Supply Current ISTART VCC = 7.5V 32 65 µA Operating Supply Current ICC VFB = VCS = 0V 3 5 mA Zener Bias Voltage at VCC VZ ICC = 25mA 24 26.5 V THERMAL SHUTDOWN Thermal Shutdown TSHDN Junction temperature rising 150 °C Thermal Shutdown Hysteresis THYST 4°C SYNCHRONIZATION (MAX5095A/MAX5095B Only) (Note 5) SYNC Frequency Range fSYNC 20 1000 kHz SYNC Clock Input High Threshold VSYNCINH 3.5 V SYNC Clock Input Low Threshold VSYNCINL 0.8 V SYNC Clock Input Minimum Pulse Width tPW_SYNCIN 200 ns SYNC Clock Output High Level VSYNCOH 1mA external pulldown 4.0 4.7 V SYNC Clock Output Low Level VSYNCOL RSYNC = 5k Ω 0 0.1 V SYNC Leakage Current ISYNC VSYNC = 0V 0.01 0.1 µA |
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