LTC1733EMSE Linear Technology, LTC1733EMSE Datasheet
LTC1733EMSE
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LTC1733EMSE Summary of contents
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... The LTC1733 also includes NTC temperature sensing, C/10 detection circuitry, AC present logic, 4.1V/4.2V pin selectability and low battery charge conditioning (trickle charging). The LTC1733 is available in a 10-pin thermally enhanced MSOP package. , LTC and LT are registered trademarks of Linear Technology Corporation. *Patent Pending 1200 1000 800 I ...
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... BAT PROG V Rising BAT V Rising CC PROG Pin Voltage Rising - V ) Voltage Falling CC BAT ( Voltage Rising CC BAT ORDER PART NUMBER 10 ACPR 9 BAT 8 SEL LTC1733EMSE 7 PROG 6 NTC MSE PART MARKING LTLX MIN TYP MAX UNITS 4 4.059 4.1 4.141 V 4.158 4.2 4.242 V 465 ...
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ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V PROG Pin Voltage PROG I CHRG Pin Weak Pulldown Current CHRG V CHRG Pin Output Low Voltage CHRG V ACPR Pin Output Low Voltage ACPR V FAULT Pin Output Low Voltage FAULT I End of ...
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LTC1733 W U TYPICAL PERFOR A CE CHARACTERISTICS Battery Regulation Voltage vs Battery Charge Current 4. 4. SEL R = 1.5k PROG 4.20 4.18 4.16 4. ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS PROG Pin Voltage Constant Current Mode 1.515 3.5V BAT 1.510 PROG SEL 1.505 1.500 1.495 1.490 1.485 ...
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LTC1733 CTIO S CHRG: Open-Drain Charge Status Output. When the battery is being charged, the CHRG pin is pulled low by an internal N-channel MOSFET. When the charge current drops to 10% of the full-scale ...
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W SI PLIFIED BLOCK DIAGRA – 105 DIE NTC 6 NTC HOT COLD DISABLE CHRG 1 STOP C/ LOGIC 10 ACPR ACPR 3 FAULT FAULT CHARGE COUNTER OSCILLATOR 2.485V 4 TIMER C TIMER W ...
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LTC1733 U OPERATIO The LTC1733 is a linear battery charger designed primarily 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 and a programmable timer for charge ...
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U U APPLICATIO S I FOR ATIO Undervoltage Lockout (UVLO) An internal undervoltage lockout circuit monitors the input voltage and keeps the charger in shutdown mode until V rises above the undervoltage lockout threshold. The UVLO circuit has a built-in ...
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LTC1733 U U APPLICATIO S I FOR ATIO Open-Drain Status Outputs The LTC1733 has three open-drain status outputs: ACPR, CHRG and FAULT. The ACPR pin pulls low when an input voltage greater than the undervoltage lockout threshold is applied and ...
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U U APPLICATIO S I FOR ATIO resistance of the NTC thermistor rises. The LTC1733 is designed to go into hold mode when the value of the NTC thermistor increases to seven times the value Vishay NTHS0603N02N1002J ...
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LTC1733 U U APPLICATIO S I FOR ATIO If a thermistor with a tolerance less than 10% is used, the trip point errors begin to depend on errors other than thermistor tolerance including the input offset voltage of the internal ...
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U U APPLICATIO S I FOR ATIO 105 C – BAT ( 5 V – )• Furthermore, the voltage at the PROG pin will change proportionally with the charge ...
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LTC1733 U TYPICAL APPLICATIO Basic Li-Ion Battery Charger with Reverse Polarity Input Protection 5V WALL ADAPTER BAT LTC1733 BAT CC 8 SEL + 4.2V Li-Ion 4.7 F BATTERY 4 7 TIMER PROG GND ...
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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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. ...
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... Lithium-Ion Linear Battery Charger Controller LTC1734 Lithium-Ion Linear Battery Charger in ThinSOT LTC1998 Lithium-Ion Low Battery Detector LTC4050 Lithium-Ion Linear Battery Charger Controller Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear.com Full Featured Single Cell Li-Ion Charger 1k ...