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LTC4062 Datasheet(PDF) 2 Page - Linear Technology |
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LTC4062 Datasheet(HTML) 2 Page - Linear Technology |
2 / 20 page LTC4062 2 4062f ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted. Input Supply Voltage (VCC) ........................ –0.3V to 10V EN, OUT, CHRG, IN+, PROG, C/5, BAT ....... –0.3V to 10V TIMER, IDET ..................................... –0.3V to VCC +0.3V BAT Short-Circuit Duration ........................... Continuous VCC Pin Current ......................................................... 1A BAT Pin Current ......................................................... 1A Maximum Junction Temperature .......................... 125°C Operating Temperature Range (Note 2) ... –40°C to 85°C Storage Temperature Range .................. –65°C to 125°C ORDER PART NUMBER DD PART MARKING Consult LTC Marketing for parts specified with wider operating temperature ranges. LTC4062EDD SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Input Supply Voltage ● 4.3 8 V ICC Input Supply Current Charge Mode (Note 4), RPROG = 10k ● 240 500 µA Standby Mode, Charge Terminated ● 130 300 µA Shutdown (EN = 5V, VCC < VBAT or VCC < VUV) ● 20 50 µA VFLOAT VBAT Regulated Output Voltage 4.185 4.2 4.215 V 0 < TA < 85°C 4.175 4.2 4.225 V IBAT BAT Pin Current RPROG = 10k, Constant Current Mode ● 93 100 107 mA RPROG = 1.25k, Constant Current Mode ● 760 800 840 mA Standby Mode, Charge Terminated ● ±1 ±2 µA Shutdown Mode ● ±1 ±2 µA VPROG PROG Pin Voltage RPROG = 10k, Constant Current Mode 0.97 1 1.03 V RPROG = 1.25k, Constant Current Mode 0.97 1 1.03 V VOUT OUT Output Low Voltage IOUT = 5mA 0.10 0.25 V IOUT = 5mA, VCC = 0V, VBAT = 2.55V 0.16 0.26 V VCHRG CHRG Output Low Voltage ICHRG = 5mA 0.1 0.25 V ITRIKL Trickle Charge Current VBAT < VTRIKL, RPROG = 10k 6 10 14 mA VBAT < VTRIKL, RPROG = 1.25k 60 80 100 mA VTRIKL Trickle Charge Threshold Voltage VBAT Rising 2.8 2.9 3 V Hysteresis 100 mV VUV VCC Undervoltage Lockout From Low to High 3.7 3.8 3.9 V Voltage Hysteresis 200 V VASD VCC – VBAT Lockout Threshold VCC from Low to High, VBAT = 4.3V 145 190 230 mV Voltage VCC from High to Low, VBAT = 4.3V 10 45 75 mV REN EN Pin Pull-Down Resistor ● 2 3.4 5 MΩ VEN EN Input Threshold Voltage EN Rising, 4.3V < VCC < 8V 0.4 0.7 1 V Hysteresis 70 mV VCT Charge Termination Mode Threshold VTIMER from High to Low 0.4 0.7 1 V Voltage Hysteresis 50 mV VUT User Termination Mode Threshold VTIMER from Low to High 3.9 4.2 V Voltage Hysteresis 50 mV TOP VIEW 10 9 6 7 8 11 4 5 3 2 1 VCC PROG IDET EN C/5 BAT IN+ TIMER OUT CHRG DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 40°C/W (NOTE 3) EXPOSED PAD IS GROUND (PIN 11) MUST BE SOLDERED TO PCB LBJT |
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