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DFE252012F-R47M 数据表(PDF) 17 Page - Analog Devices |
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DFE252012F-R47M 数据表(HTML) 17 Page - Analog Devices |
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17 / 122 page  Electrical Characteristics—I2C Serial Interface (continued) (VSYS = 12V, VCE = 1.8V, VIO = 1.8V, TA = TJ = -40°C to +125°C, typical values are at TA = TJ = +25°C, unless otherwise noted. Note 2.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SCL, SDA Input Logic High Threshold VIH 0.75 x VIO V SCL, SDA Input Hysteresis VHYS 0.3 V SDA Output Logic Low Threshold VOL_SDA Sinking 20mA 0.2 V SCL, SDA Input Leakage Current ILKG VSCL = VSDA = 0V or 2.0V -10 +10 μA SCL, SDA Pin Capacitance (Note 7) 10 pF STANDARD, FAST, AND FAST MODE PLUS TIMING Clock Frequency fSCL 1 MHz Hold Time (Repeated) Start Condition tHD;STA 260 ns SCL Low Period tLOW 500 ns SCL High Period tHIGH 260 ns Setup Time Repeated Start Condition tSU;STA 260 ns Data Hold Time tHD;DAT 0 μs Data Setup Time tSU;DAT 50 ns Setup Time for Stop Condition tSU;STO 260 ns Bus Free Time Between Stop and Start Condition tBUF 0.5 μs Input Filter Suppressed Spike Pulse Width tSP (Note 7) 50 ns HIGH-SPEED MODE TIMING Clock Frequency fSCL High-speed mode 3.4 MHz Setup Time Repeated Start Condition tSU;STA 160 ns Hold Time (Repeated) Start Condition tHD;STA 160 ns SCL Low Period tLOW 160 ns SCL High Period tHIGH 60 ns Data Setup Time tSU;DAT 10 ns Data Hold Time tHD;DAT 0 μs Setup Time for Stop Condition tSU;STO 160 ns Input Filter Suppressed Spike Pulse Width tSP (Note 7) 10 ns Note 2: The MAX77542 is tested under pulsed load conditions such that TJ ≈ TA. Limits are 100% tested at TA = +25°C. Limits over the operating temperature range (TJ = -40°C to +125°C) are guaranteed by design and characterization using statistical process control methods. Note that the maximum ambient temperature consistent with this specification is determined by specific operating conditions, board layout, rated package thermal impedance, and other environmental factors. MAX77542 16VIN/16A, Quad-Phase High-Efficiency Buck Converter www.analog.com Analog Devices | 17 |
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