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LTC4099 Datasheet(PDF) 7 Page - Linear Technology |
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LTC4099 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 52 page  LTC4155 7 4155fc ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA ≈ TJ = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V, DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VWALLGTPROT WALLGT Output Voltage Protected WALLSNS > VWALLOVLO 0V VUSBGTLOAD, VWALLGTLOAD USBGT, WALLGT Voltage Under Load 5V Through 3.6k into WALLSNS, USBSNS, IUSBGT, IWALLGT = 1μA 8.4 8.9 V IUSBSNSQ USBSNS Quiescent Current VUSBSNS = 5V, VUSBSNS > VWALLSNS VUSBSNS = 5V, VWALLSNS > VUSBSNS 27 54 μA μA IWALLSNSQ WALLSNS Quiescent Current VWALLSNS = 5V, VWALLSNS > VUSBSNS VWALLSNS = 5V, VUSBSNS > VWALLSNS 27 54 μA μA tRISE OVGCAP Time to Reach Regulation COVGCAP = 1nF 1.2 ms IRQ Pin Characteristics IIRQ IRQ Pin Leakage Current VIRQ = 5V 1 μA VIRQ IRQ Pin Output Low Voltage IIRQ = 5mA 75 100 mV ID Pin Characteristics IID ID Pin Pull-Up Current VID = 0V 35 55 85 μA VID_OTG ID Pin Threshold Voltage ID Pin Falling Hysteresis 0.5 0.86 0.2 0.95 V V Overtemperature Battery Conditioner IBATOVERTEMP Overtemp Battery Discharge Current Only When Enabled via I2C Control 125 mA VBATOVERTEMP Overtemp Battery Voltage Target Only When Enabled via I2C Control 3.85 V Thermistor Measurement System κOFFSET VNTC /VNTCBIAS A/D Lower Range End VNTC /VNTCBIAS Ratio Below Which Only 0x00 Is Returned 0.113 V/V κHIGH VNTC /VNTCBIAS A/D Upper Range End VNTC /VNTCBIAS Ratio Above Which Only 0x7F Is Returned 0.895 V/V κSPAN A/D Span Coefficient (Decimal Format) 6.091 6.162 6.191 mV/V/LSB dTOO_COLD NTCVAL at NTC_TOO_COLD (Decimal Format) Warning Threshold Reset Threshold 102 98 102 98 102 98 Count Count dTOO_WARM NTCVAL at NTC_TOO_WARM (Decimal Format) Warning Threshold Reset Threshold 41 45 41 45 41 45 Count Count dHOT_FAULT NTCVAL at HOT_FAULT (Decimal Format) Fault Threshold Reset Threshold 19 23 19 23 19 23 Count Count INTC NTC Leakage Current –100 100 nA Ideal Diode VFWD Forward Voltage Detection Input Power Available, Battery Charger Off 15 mV I2C Port DVCC I2C Logic Reference Level (Note 3) 1.7 VMAX V IDVCCQ DVCC Current SCL/SDA = 0kHz 0.25 μA VDVCC_UVLO DVCC UVLO 1.0 V ADDRESS I2C Address 0001_001[R/W]b VIH,SDA,SCL Input High Threshold 70 % DVCC VIL,SDA,SCL Input Low Threshold 30 % DVCC IIH,SDA,SCL Input Leakage High SDA, SCL = DVCC –1 1 μA |
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