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MAX77801 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX77801 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 31 page  (VSYS = VIN = +3.8V, VFB = VOUT = +3.3V, TJ = -40°C to +125°C, typical values are at TA ≈ TJ = +25°C, unless otherwise noted.) (Note 2) (VSYS = 3.8V, VIO = 1.8V, TJ = -40°C to +125°C, typical values are at TA ≈ TJ = +25°C, unless otherwise noted.) (Note 2) Buck-Boost Electrical Characteristics (continued) I2C Electrical Characteristics PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VSYS UNDERVOLTAGE LOCKOUT VSYS Undervoltage Lockout Threshold VUVLO_R VSYS rising 2.375 2.50 2.625 V VUVLO_F VSYS falling (default) 2.05 V LOGIC AND CONTROL INPUTS Input Low Level VIL EN, DVS, VSYS ≤ 4.5V, TA = +25°C 0.4 V Input High Level VIH EN, DVS, VSYS ≤ 4.5V, TA = +25°C 1.2 V POK Output Low Voltage VOL ISINK = 1mA 0.4 V POK Output High Leakage IOZH_25C TJ = +25°C -1 +1 µA IOZH_125C TJ = +125°C 0.1 µA INTERNAL PULLDOWN RESISTANCE EN, DVS RPD Pulldown resistor to GND 400 800 1600 kΩ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY VIO Voltage Range VIO 1.7 3.6 V SDA AND SCL I/O STAGES SCL, SDA Input High Voltage VIH 0.7 x VIO V SCL, SDA Input Low Voltage VIL 0.3 x VIO V SCL, SDA Input Hysteresis VHYS 0.05 x VIO V SCL, SDA Input Current II VIO = 3.8V -10 +10 µA SDA Output Low Voltage VOL ISINK = 20mA 0.4 V SCL, SDA Input Capacitance CI 10 pF Output Fall Time from VIO to 0.3 x VIO tOF 120 ns I2C-COMPATIBLE INTERFACE TIMING (STANDARD, FAST, AND FAST MODE PLUS) (Note 3) Clock Frequency fSCL 1000 kHz Hold Time (REPEATED) START Condition tHD;STA 0.26 µs SCL Low Period tlow 0.5 µs SCL High Period thigh 0.26 µs Setup Time REPEATED START Condition tSU_STA 0.26 µs MAX77801 5.5V Input, 2A, High-Efficiency Buck-Boost Converter www.maximintegrated.com Maxim Integrated │ 4 |
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