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LTC4068X-4.2 Datasheet(PDF) 2 Page - Linear Technology |
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LTC4068X-4.2 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LTC4068-4.2/LTC4068X-4.2 406842fa (Note 1) Input Supply Voltage (VCC) ....................... –0.3V to 10V PROG, ITERM ................................ – 0.3V to VCC + 0.3V BAT ............................................................. –0.3V to 7V CHRG, ACPR, EN ...................................... –0.3V to 10V BAT Short-Circuit Duration .......................... Continuous BAT Pin Current ........................................................ 1A PROG Pin Current ................................................... 1mA Maximum Junction Temperature .......................... 125°C Operating Temperature Range (Note 2) .. – 40°C to 85°C Storage Temperature Range ................. – 65°C to 125°C TJMAX = 125°C, θJA = 40°C/W (NOTE 3) EXPOSED PAD IS GROUND (PIN 9) MUST BE SOLDERED TO PCB ORDER PART NUMBER DD PART MARKING LBHZ LBQB SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Input Supply Voltage ● 4.25 6.5 V ICC Input Supply Current Charge Mode (Note 4), RPROG = 10k ● 0.4 1 mA Standby Mode (Charge Terminated) ● 200 500 µA Shutdown Mode (EN = 5V, VCC < VBAT ● 25 50 µA or VCC < VUV) VFLOAT Regulated Output (Float) Voltage 0°C ≤ TA ≤ 85°C, 4.3V < VCC < 6.5V 4.158 4.2 4.242 V IBAT BAT Pin Current RPROG = 10k, Current Mode ● 92 100 105 mA RPROG = 2k, Current Mode ● 465 500 535 mA Standby Mode, VBAT = 4.2V ● –2.5 –6 µA Shutdown Mode (EN = 5V, VCC < VBAT or ±1 ±2 µA VCC < VUV) Sleep Mode, VCC = 0V ±1 ±2 µA ITRIKL Trickle Charge Current VBAT < VTRIKL, RPROG = 2k (Note 5) ● 30 45 60 mA VTRIKL Trickle Charge Threshold Voltage RPROG = 10k, VBAT Rising (Note 5) 2.8 2.9 3 V VTRHYS Trickle Charge Hysteresis Voltage RPROG = 10k (Note 5) 80 mV VUV VCC Undervoltage Lockout Voltage From VCC Low to High ● 3.7 3.8 3.92 V VUVHYS VCC Undervoltage Lockout Hysteresis ● 150 200 300 mV VEN(IL) EN Pin Input Low Voltage ● 0.4 0.7 V VEN(IH) EN Pin Input High Voltage ● 0.7 1 V REN EN Pin Pull-Down Resistor ● 1.2 2 5 MΩ VASD VCC – VBAT Lockout Threshold VCC from Low to High 70 100 140 mV VCC from High to Low 5 30 50 mV ITERM Charge Termination Current Threshold RTERM = 1k ● 90 100 110 mA RTERM = 5k ● 17.5 20 22.5 mA VPROG PROG Pin Voltage RPROG = 10k, Current Mode 0.93 1 1.07 V VCHRG CHRG Pin Output Low Voltage ICHRG = 5mA 0.35 0.6 V VACPR ACPR Pin Output Low Voltage IACPR = 5mA 0.35 0.6 V ∆VRECHRG Recharge Battery Threshold Voltage VFLOAT – VRECHRG, 0°C ≤ TA ≤ 85°C 60 100 140 mV The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted. ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS Consult LTC Marketing for parts specified with wider operating temperature ranges. LTC4068EDD-4.2 LTC4068XEDD-4.2 TOP VIEW 9 DD PACKAGE 8-LEAD (3mm × 3mm) PLASTIC DFN 5 6 7 8 4 3 2 1 ITERM BAT CHRG GND EN ACPR VCC PROG |
Similar Part No. - LTC4068X-4.2_15 |
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