LTC4068EDD-4.2 Linear Technology, LTC4068EDD-4.2 Datasheet
LTC4068EDD-4.2
Specifications of LTC4068EDD-4.2
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LTC4068EDD-4.2 Summary of contents
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... Other features include charge current monitor, undervoltage lockout, automatic recharge and status pins to indicate charge termination and the presence of adequate input voltage. , LTC and LT are registered trademarks of Linear Technology Corporation. Protected by U.S. Patents, including 6522118. Complete Charge Cycle (750mAh Battery) 700 ...
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... TERM R = 10k, Current Mode PROG I = 5mA CHRG I = 5mA ACPR V – 0°C ≤ T ≤ 85°C FLOAT RECHRG ORDER PART NUMBER 8 EN LTC4068EDD-4.2 7 ACPR LTC4068XEDD-4 PROG 5 DD PART MARKING LBHZ LBQB MIN TYP MAX UNITS ● 4.25 6.5 ● 0 ● 200 500 µ ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER T Junction Temperature in Constant LIM Temperature Mode R Power FET “ON” Resistance ON (Between V and BAT Soft-Start Time SS t Recharge Comparator Filter Time RECHARGE ...
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LTC4068-4.2/LTC4068X-4 TYPICAL PERFOR A CE CHARACTERISTICS Regulated Output (Float) Voltage vs Charge Current 4. 25°C 4. 1.25k PROG 4.22 4.20 4.18 4.16 4.14 4.12 4.10 0 100 200 300 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Charge Current vs Supply Voltage 600 R PROG 500 400 BAT T = 25°C 300 A θ = 40°C/W JA 200 R PROG 100 0 4 4.5 5 5.5 V ...
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LTC4068-4.2/LTC4068X-4 CTIO S PROG (Pin 5): Charge Current Program and Charge Cur- rent Monitor. Charge current is programmed by connect- ing a 1% resistor ground. When charging in PROG constant-current mode, this ...
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U OPERATIO The LTC4068 is a single cell lithium-ion battery charger using a constant-current/constant-voltage algorithm. It can deliver up to 950mA of charge current (using a good thermal PCB layout) with a final float voltage accuracy of ±1%. The LTC4068 ...
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LTC4068-4.2/LTC4068X-4.2 U OPERATIO threshold (V ), another charge cycle begins and RECHRG charge current is once again supplied to the battery. To manually restart a charge cycle when in standby mode, the input voltage must be removed and reapplied or ...
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U U APPLICATIO S I FOR ATIO charged condition and eliminates the need for periodic charge cycle initiations. The CHRG output enters a pull- down state during recharge cycles. If the battery is removed from the charger, a sawtooth waveform ...
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LTC4068-4.2/LTC4068X-4 APPLICATIO S I FOR ATIO The LTC4068 can be used above 52°C ambient but the charge current will be reduced from the programmed 800mA. The approximate current at a given ambient temperature can be approximated by: 120 ...
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... PIN 1 TOP MARK 0.200 REF Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC4068-4.2/LTC4068X-4 Figure 4 ...
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... LTC4410 USB Power Manager TM LTC4411 Low Loss PowerPath Controller in ThinSOT LTC4412 ThinSOT and PowerPath are trademarks of Linear Technology Corporation. Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Li-Ion Battery Charger with Reverse Polarity Input Protection ...