LTC1731EMS8-8.4#PBF Linear Technology, LTC1731EMS8-8.4#PBF Datasheet
LTC1731EMS8-8.4#PBF
Specifications of LTC1731EMS8-8.4#PBF
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LTC1731EMS8-8.4#PBF Summary of contents
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... Removed (15 A Battery Drain) Automatic Trickle Charging of Low Voltage Cells Programmable for Constant-Current-Only Mode U APPLICATIO S Cellular Phones Handheld Computers Charging Docks and Cradles Programmable Current Source , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO 400mA Li-Ion Charger CHARGE SENSE ...
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... Operating Temperature Range (Note 2) .....– Storage Temperature Range ................. – 150 C CC Lead Temperature (Soldering, 10 sec).................. 300 ORDER PART NUMBER BAT 1 LTC1731EMS8-8.2 CHRG 2 LTC1731EMS8-8.4 TIMER 3 GND 4 MS8 PART MARKING 8-LEAD PLASTIC SO LTSW T LTPE JMAX The denotes the specifications which apply over the full operating = 25 C ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V Automatic Shutdown Threshold Voltage ASD V Voltage Mode Disable Threshold Voltage DIS I PROG Pin Current PROG PROG Pin Load Regulation V PROG Pin Voltage PROG I CHRG ...
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LTC1731-8.2/LTC1731-8 TYPICAL PERFOR A CE CHARACTERISTICS Trickle Charge Threshold Voltage vs Temperature 4. 4.93 4.92 4.91 4.90 –50 – 100 TEMPERATURE ( C) 1731 G03 Battery Charge Current vs V ...
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PIN FUNCTIONS BAT (Pin 1): Battery Sense Input. A bypass capacitor of at least required to keep the loop stable when the battery is not connected. A precision internal resistive divider sets the final ...
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LTC1731-8.2/LTC1731-8.4 W BLOCK DIAGRA CHRG 2 C/10 100 A SHDN TIMER 3 OSCILLATOR C3 BATTERY CURRENT I = (2.457V • 800 )/(R BAT – STOP C/10 720 LOGIC SLP COUNTER V REF + ...
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U OPERATIO The LTC1731-8.2/LTC1731-8.4 are linear battery charger controllers. The charge current is programmed by the combination of a program resistor (R PROG pin to ground and a sense resistor (R tween the V and SENSE pins current ...
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LTC1731-8.2/LTC1731-8 APPLICATIONS INFORMATION Charger Conditions The charger is off when any of the following conditions exist: the V pin is less than 8.2V, the droput voltage ( less than 54mV, the PROG pin ...
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U U APPLICATIONS INFORMATION When the LTC1731 is in the charge mode, the CHRG pin is pulled to ground by an internal N-channel MOSFET. To detect this mode, force the digital output pin, OUT, high and measure the voltage at ...
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LTC1731-8.2/LTC1731-8.4 PACKAGE DESCRIPTION 5.23 (.206) MIN 0.42 0.04 (.0165 .0015) TYP RECOMMENDED SOLDER PAD LAYOUT 0.254 (.010) GAUGE PLANE 0.18 (.077) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 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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... Automatic Charge and Recharge MBRM120T3 R C3 SENSE 0. 400mA BAT C2 2-CELL 10 F Li-ION 1731 TA02 15V Output OUT ; 2.5V to 5.5V Output RMS Tracks I PROG CHARGE 4.4V; for Backlight White LED IN sn1731 17318fs LT/TP 0602 2K • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2000 ...