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LTC4099 Datasheet(PDF) 5 Page - Linear Technology |
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LTC4099 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 36 page  LTC4099 5 4099f SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Ideal Diode VFWD Forward Voltage IVOUT = 10mA 15 mV RDROPOUT Internal Diode On-Resistance, Dropout IVOUT = 200mA 0.18 Ω IMAX Diode Current Limit 2 A I2C Port DVCC I2C Logic Reference 1.6 5.5 V IDVCCQ DVCC Current SCL/SDA = 0kHz 0.2 μA VDVCC_UVLO DVCC UVLO 1V ADDRESS I2C Address 0001001 R W ⎡ ⎣⎢ ⎤ ⎦⎥ VIRQ IRQ Pin Output Low Voltage IIRQ = 5mA 65 100 mV IIRQ IRQ Pin Leakage Current VIRQ = 5V 0 1 μA VIH, SDA, SCL Input High Threshold 0.7 • DVCC V VIL, SDA, SCL Input Low Threshold 0.3 • DVCC V IIH, SDA, SCL Input Leakage High SDA, SCL = DVCC –1 1 μA IIL, SDA, SCL Input Leakage Low SDA, SCL = 0V –1 1 μA VOL Digital Output Low (SDA) ISDA = 3mA 0.4 V fSCL Clock Operating Frequency 400 kHz tBUF Bus Free Time Between Stop and Start Condition 1.3 μs tHD_SDA Hold Time After (Repeated) Start Condi- tion 0.6 μs tSU_SDA Repeated Start Condition Set-Up Time 0.6 μs tSU_STO Stop Condition Time 0.6 μs tHD_DAT(OUT) Data Hold Time 0 900 ns tHD_DAT(IN) Input Data Hold Time 0 ns tSU_DAT Data Set-Up Time 100 ns tLOW Clock Low Period 1.3 μs tHIGH Clock High Period 0.6 μs tSP Spike Suppression Time 50 ns 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: The LTC4099 is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the – 40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: The LTC4099 includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125°C when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature may impair device reliability. Note 4: Total input current is the sum of quiescent current, IVBUSQ, and measured current given by: VCLPROG /RCLPROG • (hCLPROG + 1) Note 5: The PROG pin always represents actual charge current. See the Full Capacity Charge Indication (C/x) section. ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temp- erature range, otherwise specifications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, DVCC = 3.3V, RPROG = 1.02k, RCLPROG = 3.01k, unless otherwise noted. |
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