LTC4065EDC Linear Technology, LTC4065EDC Datasheet
LTC4065EDC
Specifications of LTC4065EDC
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LTC4065EDC Summary of contents
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... Tiny 6-Lead (2mm × 2mm) DFN Package ■ U APPLICATIO S ■ Wireless PDAs ■ Cellular Phones ■ Portable Electronics , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. U TYPICAL APPLICATIO Standalone Li-Ion Battery Charger BAT CC 4 ...
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... PACKAGE/ORDER I FOR ATIO + 0. 0.3V CC EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB *EN PIN 5 ON LTC4065EDC, ACPR PIN 5 ON LTC4065AEDC ORDER PART NUMBER LTC4065EDC LTC4065AEDC Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: Consult LTC Marketing for parts specified with wider operating temperature ranges ...
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ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are 5V 3.8V (LTC4065 only) unless otherwise specified. (Note 2) CC BAT EN SYMBOL PARAMETER I ...
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LTC4065/LTC4065A W U TYPICAL PERFOR A CE CHARACTERISTICS Battery Regulation (Float) Voltage vs Battery Charge Current 4. 25° PROG 4.22 4.21 4.20 4.19 4.18 4.17 4.16 0 100 200 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Undervoltage Lockout Threshold Voltage vs Temperature 4.0 3.8 RISE 3.5 3.3 FALL 3.0 2.8 2.5 –50 – 100 TEMPERATURE (°C) 4065 G16 EN Pin Current (LTC4065) 4 ...
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LTC4065/LTC4065A W U TYPICAL PERFOR A CE CHARACTERISTICS Timer Accuracy vs Temperature –1 –2 –3 –4 –5 –6 –7 –25 0 –50 25 TEMPERATURE (°C) PROG Pin Shutdown Threshold vs Temperature (LTC4065A Only) 5.0 ...
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CTIO S GND (Pin 1): Ground. CHRG (Pin 2): Open-Drain Charge Status Output. The charge status indicator pin has three states: pull-down, pulse at 2Hz and high impedance state. This output can be used as ...
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LTC4065/LTC4065A W SI PLIFIED BLOCK DIAGRA DIE TA – 115° SHUTDOWN ENB C1 – 0.82V 1.2V REF PROG 0. – C/10 R4 0.1V CHRG R5 2 – 2.9V LOBAT + ...
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W SI PLIFIED BLOCK DIAGRA ACPR – – REF PROG 0. – C/10 R4 0.1V CHRG R5 2 – 2.9V LOBAT + BAT U OPERATIO The LTC4065 is a linear battery ...
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LTC4065/LTC4065A U OPERATIO typical, not worst-case, ambient temperatures for a given application with the assurance that the charger will auto- matically reduce the current in worst-case conditions. The charge cycle begins when the following conditions are met: the voltage at ...
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U OPERATIO Once the charge cycle terminates, the LTC4065 continu- ously monitors the BAT pin voltage using a comparator with a 2ms filter time. When the average battery voltage falls below 4.1V (which corresponds to 80% to 90% battery capacity), ...
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LTC4065/LTC4065A U OPERATIO POWER IS EN > SHUTDOWN ON THRESHOLD? SHUTDOWN MODE CHRG HIGH IMPEDANCE TRICKLE CHARGE MODE 1/10 FULL CHARGE CURRENT CHRG STRONG PULL-DOWN 1/4 CHARGE CYCLE (1.125 HOURS) DEFECTIVE BATTERY IS V < 2.9V? BAT BAD BATTERY MODE ...
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U U APPLICATIO S I FOR ATIO Undervoltage Charge Current Limiting (UVCL) The LTC4065/LTC4065A includes undervoltage charge (∆V ) current limiting that prevents full charge cur- UVCL1 rent until the input supply voltage reaches approximately 200mV above the battery voltage. ...
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LTC4065/LTC4065A U U APPLICATIO S I FOR ATIO length, however, may add enough series inductance to require a bypass capacitor of at least 1µF from BAT to GND. Furthermore, a 4.7µF capacitor with a 0.2Ω to 1Ω series resistor from ...
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... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE 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. W ...
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... OUT DC/DC Converter LTC3440 600mA (I ), 2MHz, Synchronous Buck-Boost OUT DC/DC Converter LTC4413 Dual Ideal Diode in DFN ThinSOT and PowerPath are trademarks of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● COMMENTS TM Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed Low Current Version of LTC1734, 50mA ≤ ...