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MAX8671X Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX8671X Datasheet(HTML) 8 Page - Maxim Integrated Products |
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8 / 44 page  PMIC with Integrated Charger and Smart Power Selector for Handheld Devices 8 _______________________________________________________________________________________ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Prequalification Time tPQ CCT = 0.15µF 33 min Fast-Charge Time tFC CCT = 0.15µF 660 min Top-Off Time tTO 15 s THERMISTOR INPUT (THM) (VDC = 5.0V, EN = low) THM Threshold, Cold VTHMC VTHM rising, 65mV hysteresis 73.0 74.0 75.5 % of VVL THM Threshold, Hot VTHMH VTHM falling, 65mV hysteresis 27.0 28.4 30.0 % of VVL THM = AGND or VL, TA = +25°C -0.100 0.001 +0.200 THM Input Leakage Current ITHM THM = AGND or VL, TA = +85°C 0.01 µA POWER SEQUENCING (Figures 11 and 12) EN to REG3 Enable Delay tD1 120 µs REG1 Soft-Start Time tSS1 2.6 ms REG3 to REG1/2 Delay tD2 0.4 ms REG2 Soft-Start Time tSS2 2.6 ms REG3 Soft-Start Time tSS3 2.6 ms REG1/2 to REG4 Delay tD3 0.3 ms REG4 Soft-Start Time tSS4 3.0 ms REG5 Soft-Start Time tSS5 3.0 ms REGULATOR THERMAL SHUTDOWN Thermal Shutdown Temperature TJ rising +165 °C Thermal Shutdown Hysteresis 15 °C REG1—SYNCHRONOUS STEP-DOWN CONVERTER Input Voltage PV1 supplied from SYS VSYS V Maximum Output Current L = 4.7µH, RL = 0.13 Ω (Note 7) 425 mA FB1 Voltage (Note 8) 0.997 1.012 1.028 V Adjustable Output Voltage Range 1 VSYS V TA = +25°C -50 -5 +50 FB1 Leakage Current VFB1 = 1.012V TA = +85°C -5 nA Load Regulation PWM mode 4.4 %/A Line Regulation PWM mode (Note 9) 1 %/D p-Channel On-Resistance VPV1 = 4V, ILX1 = 180mA 165 330 m Ω n-Channel On-Resistance VPV1 = 4V, ILX1 = 180mA 200 400 m Ω p-Channel Current-Limit Threshold 0.555 0.615 0.675 A 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) |
Similar Part No. - MAX8671X_08 |
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Similar Description - MAX8671X_08 |
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