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LTC4311IDC-TRMPBF Datasheet(PDF) 3 Page - Linear Technology |
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LTC4311IDC-TRMPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page LTC4311 3 4311fa ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: All currents into pins are positive. All voltages are referenced to GND unless otherwise specified. Note 3: Thermal characteristics are determined with exposed pad soldered to GND plane. If the exposed pad is left open, thermal characteristics can be drastically different. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Positive Supply Voltage ● 1.6 5.5 V ICC Supply Current VCC = 5.5V, ENABLE = 5.5V, VBUS1 = VBUS2 = 0V ● 200 300 μA ICC_STANDBY Supply Current, Standby Mode VCC = 5.5V, ENABLE = 5.5V, VBUS1 = VBUS2 = 5.5V ● 26 45 μA ICC_DISABLED Supply Current, Disabled VCC = 5.5V, ENABLE = 0V, VBUS1 = VBUS2 = 5.5V ● ±5 μA IPULLUPAC Transient Boosted Pull-up Current Positive Transition on Bus, Slew Rate = 0.5V/μs VCC = 1.8V, BUS > VTHR ● 2.5 5 mA IBUS(IN) BUS1,BUS2, Input Leakage Current VCC = 0V, VBUS1 = VBUS2 = 5.5V ● ±5 μA IENABLE(IN) ENABLE Input Leakage Current VCC = 0V, VENABLE = 5.5V ● ±10 μA VTHR Bus Input Threshold Voltage VCC = 1.8V ● 0.45 0.55 0.65 V VCC = 2.5V ● 0.65 0.75 0.85 V VCC = 2.7V to 5.5V ● 0.68 0.78 0.88 V VTHR_ENABLE ENABLE Threshold Voltage VCC = 1.6V, 5.5V ● 0.4 1 1.5 V SRTHRESH Slew Rate Detector Threshold BUS > VTHR, VCC = 1.8V, 5.5V ● 0.2 0.5 V/μs tr Fast Mode I2C Bus Rise Time Bus Capacitance = 400pF, VCC = 3V (Note 4) ● 300 ns fMAX Bus Maximum Operating Frequency (Note 5) ● 400 kHz • The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, unless otherwise noted. Note 4: The rise time of an I2C bus line is calculated from VIL(MAX) to VIH(MIN) or 0.9V to 2.1V (with VCC = 3V). This parameter is guaranteed by design and not tested. With a minimum boosted pull-up current of 2.5mA: Rise Time = (2.1V – 0.9V) • 400pF/2.5mA = 0.19μs. Note 5: Determined by design, not tested in production. |
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