LTC4065LEDC Linear Technology, LTC4065LEDC Datasheet
LTC4065LEDC
Specifications of LTC4065LEDC
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LTC4065LEDC Summary of contents
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... Portable MP3 Players, Wireless Headsets ■ Bluetooth Applications ■ Multifunction Wristwatches , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6522118, 6700364. U TYPICAL APPLICATIO Standalone Li-Ion Battery Charger ...
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... PACKAGE/ORDER I FOR ATIO + 0.3V CC EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB ORDER PART NUMBER LTC4065LEDC LTC4065LXEDC 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 unless otherwise specified. (Note 2) CC BAT EN SYMBOL PARAMETER t Soft-Start Time ...
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LTC4065L/LTC4065LX W U TYPICAL PERFOR A CE CHARACTERISTICS Battery Regulation (Float) Voltage vs Battery Charge Current 4. 25°C 4. 800Ω PROG 4.22 4.21 4.20 4.19 4.18 4.17 4.16 50 100 200 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Undervoltage Lockout Threshold Voltage vs Temperature 4.00 3.75 RISE 3.50 3.25 FALL 3.00 2.75 2.50 – 100 –25 TEMPERATURE (°C) 4065L G16 EN Pin Current 4 ...
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LTC4065L/LTC4065LX 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 ...
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W SI PLIFIED BLOCK DIAGRA + T DIE TA – 115° SHUTDOWN ENB – 0.82V REF 1.2V PROG 0. – C/10 R4 0.1V CHRG R5 2 – 2.9V LOBAT + BAT TRICKLE ...
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LTC4065L/LTC4065LX U OPERATIO The LTC4065L is a linear battery charger designed prima- rily for charging single cell lithium-ion batteries. Featuring an internal P-channel power MOSFET, the charger uses a constant-current/constant-voltage charge algorithm with programmable current. Charge current can be programmed ...
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U OPERATIO Undervoltage Lockout (UVLO) An internal undervoltage lockout circuit monitors the input voltage and keeps the charger in undervoltage lockout rises above 3.6V and approximately 80mV above until V CC the BAT pin voltage. The 3.6V UVLO circuit has ...
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LTC4065L/LTC4065LX U OPERATIO Charge Current Soft-Start and Soft-Stop The LTC4065L includes a soft-start circuit to minimize the inrush current at the start of a charge cycle. When a charge cycle is initiated, the charge current ramps from zero to the ...
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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 NO ...
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LTC4065L/LTC4065LX U U APPLICATIO S I FOR ATIO Undervoltage Charge Current Limiting (UVCL) The LTC4065L includes undervoltage charge (∆V current limiting that prevents full charge current until the input supply voltage reaches approximately 200mV above the battery voltage. This feature ...
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U U APPLICATIO S I FOR ATIO In constant-current mode, the PROG pin is in the feedback loop, not the battery. Because of the additional pole created by the PROG pin capacitance, capacitance on this pin must be kept to ...
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LTC4065L/LTC4065LX U U APPLICATIO S I FOR ATIO Example: Consider an LTC4065L operating from a 5.5V wall adapter providing 250mA Li-Ion battery. The ambient temperature above which the LTC4065L will begin to reduce the 250mA charge current ...
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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 Package 6-Lead Plastic DFN (2mm × ...
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... Synchronous Buck-Boost OUT DC/DC Converter TM LTC4411/LTC4412 Low Loss PowerPath 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 ≤ ...