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LTC3577 Datasheet(PDF) 5 Page - Linear Technology |
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LTC3577 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 52 page  LTC3577/LTC3577-1 5 3577f ELECTRICAL CHARACTERISTICS Power Manager. The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VBAT = 3.8V, ILIM0 = ILIM1 = WALL = 0V, VINLDO1 = VINLDO2 = VIN12 = VIN3 = VOUT, RPROG = 2k, RCLPROG = 2.1k, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS NTC, Battery Discharge Protection VCOLD Cold Temperature Fault Threshold Voltage Rising NTC Voltage Hysteresis 75 76 1.3 77 %VNTCBIAS %VNTCBIAS VHOT Hot Temperature Fault Threshold Voltage Falling NTC Voltage Hysteresis 34 35 1.3 36 %VNTCBIAS %VNTCBIAS V2HOT NTC Discharge Threshold Voltage Falling NTC Voltage Hysteresis 24.5 25.5 50 26.5 %VNTCBIAS mV INTC NTC Leakage Current VNTC = VBUS = 5V –50 50 nA IBAT2HOT BAT Discharge Current VBAT = 4.1V, NTC < VTOO_HOT 180 mA VBAT2HOT BAT Discharge Threshold IBAT < 0.1mA, NTC < VTOO_HOT 3.9 V Ideal Diode VFWD Forward Voltage Detection IOUT = 10mA 5 15 25 mV RDROPOUT Diode On-Resistance, Dropout IOUT = 200mA 200 mΩ IMAX Diode Current Limit (Note 7) 3.6 A Overvoltage Protection VOVCUTOFF Overvoltage Protection Threshold Rising Threshold, ROVSENS = 6.2k 6.10 6.35 6.70 V VOVGATE OVGATE Output Voltage Input Below VOVCUTOFF Input Above VOVCUTOFF 1.88 • VOVSENS 12 0 V V IOVSENSQ OVSENS Quiescent Current VOVSENS = 5V 40 μA tRISE OVGATE Time to Reach Regulation COVGATE = 1nF 2.5 ms Wall Adapter VACPR ACPR Pin Output High Voltage ACPR Pin Output Low Voltage IACPR = 0.1mA IACPR = 1mA VOUT – 0.3 VOUT 0 0.3 V V VW Absolute Wall Input Threshold Voltage VWALL Rising VWALL Falling 3.1 4.3 3.2 4.45 V V ΔVW Differential Wall Input Threshold Voltage VWALL – VBAT Falling VWALL – VBAT Rising 025 75 100 mV mV IQWALL Wall Operating Quiescent Current IWALL + IVOUT, IBAT = 0mA, WALL = VOUT = 5V 440 μA Logic (ILIM0, ILIM1 and CHRG) VIL Input Low Voltage ILIM0, ILIM1 0.4 V VIH Input High Voltage ILIM0, ILIM1 1.2 V IPD Static Pull-Down Current ILIM0, ILIM1; VPIN = 1V 2 μA VCHRG CHRG Pin Output Low Voltage ICHRG = 10mA 0.15 0.4 V ICHRG CHRG Pin Input Current VBAT = 4.5V, VCHRG = 5V 0 1 μA |
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