LTC4002EDD-4.2#PBF Linear Technology, LTC4002EDD-4.2#PBF Datasheet
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LTC4002EDD-4.2#PBF
Specifications of LTC4002EDD-4.2#PBF
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LTC4002EDD-4.2#PBF Summary of contents
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... The LTC4002 is available in the 8-lead SO and 10-lead DFN packages. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners 22V 10µ ...
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... Storage Temperature Range ................. – 65°C to 125° Lead Temperature (S8 Package) (Soldering, 10 sec) ........................................... 300° ORDER PART NUMBER COMP 1 LTC4002EDD-4 LTC4002EDD-8.4 GATE 3 GND 4 DD PART MARKING LAGG 8-LEAD PLASTIC 125°C, θ JMAX LBGY (LTC4002-4.2) The ● denotes the specifications which apply over the full = 25° ...
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ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifications are at T SYMBOL PARAMETER I NTC Pin Output Current NTC V NTC Pin Threshold Voltage (Hot) NTC-HOT V NTC Pin Threshold Voltage (Cold) NTC-COLD Recharge Battery Voltage Offset from Full ∆V RECHRG ...
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LTC4002 ELECTRICAL CHARACTERISTICS operating temperature range, otherwise specifications are at T SYMBOL PARAMETER V NTC Pin Threshold Voltage (Hot) NTC-HOT V NTC Pin Threshold Voltage (Cold) NTC-COLD Recharge Battery Voltage Offset from Full ∆V RECHRG Charged Battery Voltage I CHRG ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Oscillator Frequency 510 500 490 (V) CC 4002 G04 CHRG Pin Output Low Voltage vs Temperature 180 I = 1mA LOAD 140 100 – ...
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LTC4002 W U TYPICAL PERFOR A CE CHARACTERISTICS Current Mode Sense Voltage vs Temperature 104 100 96 – 50 – 100 125 TEMPERATURE (°C) 4002 G13 COMP Pin Output Current 102 V ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Trickle Charge Voltage 5.2 LTC4002-8 BAT 5.0 4 (V) CC 4002 G22 Trickle Charge Sense Voltage vs Temperature 10 ...
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LTC4002 W U TYPICAL PERFOR A CE CHARACTERISTICS End-of-Charge Ratio vs Temperature 14 LTC4002-8 – 50 – TEMPERATURE (° CTIO S (DFN/SO-8) COMP (Pin ...
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CTIO S (DFN/SO-8) hot temperature or rises above 2.465V at cold temperature, charging is suspended and the internal timer stops. The CHRG pin output is not affected during this hold state BLOCK DIAGRA ...
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LTC4002 TEST CIRCUITS Test Circuit 1 15V – 1.5V LT1006 + 0V – 100µA COMP CA + – LTC4002 U OPERATIO The LTC4002 is a constant current, constant voltage Li-Ion battery charger controller that uses a current mode ...
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U OPERATIO mode, dropping I to 10µA. This will greatly reduce the CC current drain on the battery and increase the standby time. A 10kΩ NTC (negative temperature coefficient) thermistor can be connected from the NTC pin to ground for ...
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LTC4002 U U APPLICATIO S I FOR ATIO impedance state, the current source will pull the pin low through the 390k resistor. When the internal timer has expired, the CHRG pin changes to a high impedance state and the 390k ...
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U U APPLICATIO S I FOR ATIO Input and Output Capacitors Since the input capacitor is assumed to absorb all input switching ripple current in the converter, it must have an adequate ripple current rating. Worst-case RMS ripple cur- rent ...
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LTC4002 U U APPLICATIO S I FOR ATIO Next, choose the P-channel MOSFET. The Si6435ADQ in a TSSOP-8 package with R = 42mΩ (nom), 55mΩ DS(ON) (max) offers a small solution. The maximum power dissi- pation with ...
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... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) 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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... Standalone Linear Li-Ion Battery Charger with Integrated Pass Transistor in ThinSOT LTC4056 Standalone SOT-23 Li-Ion Linear Battery Charger TM LTC4412/LTC4413 Low Loss PowerPath PowerPath and ThinSOT are trademarks of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...