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LTC4160 Datasheet(PDF) 4 Page - Linear Technology |
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LTC4160 Datasheet(HTML) 4 Page - Linear Technology |
4 / 32 page LTC4160/LTC4160-1 4 41601f ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VPROG PROG Pin Servo Voltage 1 V VPROG_TRKL PROG Pin Servo Voltage in Trickle Charge BAT < VTRKL 0.1 V VC/10 C/10 Threshold Voltage at PROG 100 mV hPROG Ratio of IBAT to PROG Pin Current 1030 mA/mA ITRKL Trickle Charge Current BAT < VTRKL 100 mA VTRKL Trickle Charge Threshold Voltage BAT Rising 2.7 2.85 3 V ΔVTRKL Trickle Charge Hysteresis Voltage 135 mV ΔVRECHRG Recharge Battery Threshold Voltage Threshold Voltage Relative to VFLOAT –75 –100 –125 mV tTERM Safety Timer Termination Period Timer Starts when VBAT = VFLOAT 3.9 4.3 5.4 Hour tBADBAT Bad Battery Termination Time BAT < VTRKL 0.4 0.5 0.6 Hour hC/10 End of Charge Current Ratio (Note 7) 0.085 0.1 0.115 mA/mA RON_CHG Battery Charger Power FET On-Resistance (Between VOUT and BAT) 0.18 Ω TLIM Junction Temperature in Constant Temperature Mode 110 °C NTC VCOLD Cold Temperature Fault Threshold Voltage Rising Threshold Hysteresis 75 76.5 1.5 78 %NTCBIAS %NTCBIAS VHOT Hot Temperature Fault Threshold Voltage Falling Threshold Hysteresis 33.4 34.9 1.8 36.4 %NTCBIAS %NTCBIAS VDIS NTC Disable Threshold Voltage Falling Threshold Hysteresis 0.7 1.7 50 2.7 %NTCBIAS mV INTC NTC Leakage Current NTC = NTCBIAS = 5V –50 50 nA Ideal Diode VFWD Forward Voltage Detection VBUS = 0V, IVOUT = 10mA IVOUT = 10mA 2 15 mV mV RDROPOUT Internal Diode On-Resistance, Dropout IVOUT = 200mA 0.18 Ω IMAX_DIODE Diode Current Limit 2 A Always On 3.3V LDO Supply VLDO3V3 Regulated Output Voltage 0mA < ILDO3V3 < 20mA 3.1 3.3 3.5 V RCL_LDO3V3 Closed-Loop Output Resistance 2.7 Ω ROL_LDO3V3 Dropout Output Resistance 23 Ω Logic (ILIM0, ILIM1, ID, ENOTG, ENCHARGER) VIL Logic Low Input Voltage 0.4 V VIH Logic High Input Voltage 1.2 V IPD1 ILIM0, ILIM1, ENOTG, ENCHARGER Pull-Down Current 1.8 μA IPU1 ID Pull-Up Current 2.5 μA Status Outputs (CHRG, VBUSGD, FAULT) VVBUSGD Output Low Voltage IVBUSGD = 5mA, VBUS = 5V 65 100 mV VCHRG, VFAULT Output Low Voltage ICHRG = IFAULT = 5mA, VOUT = 3.8V 100 150 mV ICHRG, IVBUSGD, IFAULT Leakage Current VCHRG = VVBUSGD = VFAULT = 5V 1 μA The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, BAT = 3.8V, RCLPROG = 3.01k, unless otherwise noted. |
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Similar Description - LTC4160 |
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