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MAX8671X Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX8671X Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 44 page PMIC with Integrated Charger and Smart Power Selector for Handheld Devices _______________________________________________________________________________________ 5 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Starting DC when no USB present 1.0 ms DC-to-SYS Soft-Start Time tSS-D-S Starting DC with USB present 35 µs DC Thermal-Limit Temperature Die temperature at which current limit is reduced +100 °C DC Thermal-Limit Gain Amount of input current reduction above thermal-limit temperature 5%/°C USB POWER INPUT (VUSB = 5.0V, EN = low) Operating voltage 4.1 6.6 USB Voltage Range VUSB Withstand voltage 0 14 V SYS Regulation Voltage VSYS_REG VUSB = 6V, USUS = low, CEN = high, system current is less than the input current limit 5.2 5.3 5.4 V USB Undervoltage Threshold VUSBL VUSB rising, 500mV hysteresis 3.95 4.0 4.05 V USB Overvoltage Threshold VUSBH VUSB rising, 400mV hysteresis 6.8 6.9 7.0 V PEN2 = low, USUS = low 90 95 100 USB Current Limit IUSBLIM VUSB = 6V, VSYS = 5V, DC unconnected, CEN = low, TA = +25°C, IVL = 0A (Note 3) PEN2 = high, USUS = low 450 475 500 mA USUS = high 0.11 USUS = low, CEN = low; ISYS = 0mA, IBAT = 0mA, VL no load 1.1 2.0 USB Quiescent Current IUSBIQ USUS = low, CEN = high; ISYS = 0mA, VL no load 0.7 1.3 mA Minimum USB-to-BAT Voltage Headroom VUSB falling, 200mV hysteresis 0 15 30 mV Minimum USB-to-SYS Voltage Headroom VUSB falling, 200mV hysteresis 0 15 30 mV USB-to-SYS Dropout Resistance RUS VUSB = 5V, ISYS = 400mA, USUS = low 0.325 0.600 Ω USB-to-SYS Soft-Start Time tSS-U-S 1.0 ms USB Thermal-Limit Temperature Die temperature at which current limit is reduced 100 °C USB Thermal-Limit Gain Amount of input current reduction above thermal-limit temperature 5%/°C SYSTEM (VDC = 5.0V, EN = low) System Operating Voltage Range VSYS 2.6 5.5 V System Undervoltage Threshold VUVLO_SYS SYS falling, 100mV hysteresis 2.45 2.50 2.55 V ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected; VTHM = VL/2, VPG_ = VAGND = 0V, VBAT = 4V, CEN = low, USUS = low, EN = high, VPEN1 = VPEN2 = 3.3V, VPWM = 0V, COUT4 = 1µF, COUT5 = 1µF, CSYS = 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, RDISET = 3kΩ, RCISET = 3kΩ, CVL = 0.1µF, CCT = 0.15µF, CBP = 0.01µF, VFB1 = 1.1V, VFB2 = 1.1V, VFB3 = 1.1V, TA = -40°C to +85°C, unless other- wise noted.) (Note 2) |
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