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MAX8688 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX8688 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 38 page Digital Power-Supply Controller/Monitor with PMBus Interface _______________________________________________________________________________________ 5 ELECTRICAL CHARACTERISTICS (continued) (VAVDD = VDVDD = 3.3V, TA = TJ = -40°C to +85°C, VRS+ - VRS- = 2V, VRS- = VAGND, unless otherwise stated.) (Note 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RST INPUT RST Input Low Voltage VRST_IL VDVDD = 3.0V to 3.6V 0.8 V RST Input High Voltage VRST_IH VDVDD = 3.0V to 3.6V 2.1 V RST Input Bias Current RST = DVDD or DGND 10 µA Minimum SMBus Interface Reset Pulse Width tSMB_RST 1 455 µs SMBus Interface Recovery Time After Interface Reset tSMB_WAIT 15 µs Minimum Reset Pulse Width tRST 565 µs Recovery Time After Device Reset tRST_WAIT 15 µs OTHER TIMING PARAMETERS PMBus Command Response Time tPMB_RSP 300 µs Overvoltage fault 5 Fault Response Time tFAULT_RSP Overcurrent fault 5 ms Note 3: Production tested at TA = +25°C and TA = +85°C. Specifications from TA = -40°C to +25°C are guaranteed by design, unless otherwise noted. Note 4: Production tested at TA = +85°C only. All other temperatures are guaranteed by design. Note 5: When an EEPROM is connected to A2/SDAE and A1/SCLE, these pins cannot be hardwired to ground or supply. They must be connected through 33k Ω ±5% resistors. Note 6: Equivalent of having 33k Ω pulldown resistor to DGND. Note 7: Equivalent of having 33k Ω pullup resistor to DVDD. Typical Operating Characteristics (VAVDD = VDVDD = 3.3V, TA = +25°C, unless otherwise noted.) REFIN MODE SOFT-START WITH TRACKING MAX8688 toc01 2ms/div VOUT_4 = 1.8V VOUT_3 = 1.5V VOUT_2 = 1.2V VOUT_1 = 1.0V 0.5V/div REFIN MODE SOFT-STOP WITH TRACKING MAX8688 toc02 2ms/div VOUT_4 = 1.8V VOUT_3 = 1.5V VOUT_2 = 1.2V VOUT_1 = 1.0V 0.5V/div |
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