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LTM8062IVPBF Datasheet(PDF) 6 Page - Linear Technology |
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LTM8062IVPBF Datasheet(HTML) 6 Page - Linear Technology |
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6 / 20 page  LTM8062 6 8062f TYPICAL PERFORMANCE CHARACTERISTICS Temperature Rise vs IBAT, 14.4V Float Voltage VIN Standby Mode Current vs Temperature Temperature Rise vs IBAT, 7.2V Float Voltage Temperature Rise vs IBAT, 8.4V Float Voltage GND (Bank 1, Pin L7): Power and Signal Ground Return. BAT (Bank 2): Battery Charge Current Output Bus. The charge function operates to achieve the final float voltage at this pin. The auto-restart feature initiates a new charging cycle when the voltage at the ADJ pin falls 2.5% below the float voltage. Once the charge cycle is terminated, the input bias current of the BAT pin is reduced to minimize battery discharge while the charger remains connected. VINA (Bank 3): Anode of input reverse protection Schottky diode. Connect the input power here if input reverse voltage protection is desired. VIN (Bank 4): Charger Input Supply. Decouple with at least 4.7μF to GND. Connect the input power here if no input reverse voltage protection is needed. BIAS (Pin G7):TheBIASpinconnectstotheinternalpowerbus. In most cases connect to VBAT. If this is not desirable, connect to a power source greater than 2.8V and less than 10V. CHRG (Pin K7): Open-Collector Charger Status Output; typi- cally pulled up through a resistor to a reference voltage. This status pin can be pulled up to voltages as high as VIN and can sink currents up to 10mA. During a battery charging cycle, CHRG is pulled low. When the charge current falls below C/10, PIN FUNCTIONS IBAT (mA) 0 0 5 1000 30 8062 G19 500 1500 2000 10 15 20 25 VINA = 24V VINA = 12V IBAT (mA) 0 0 5 1000 30 8062 G20 500 1500 2000 10 15 20 25 VINA = 12V VINA = 24V IBAT (mA) 0 0 5 1000 40 8062 G21 500 1500 2000 10 15 20 25 30 35 VINA = 24V TEMPERATURE (°C) –50 0 50 6 8062 G22 0 100 1 2 3 4 5 VINA = 24V VINA = 12V TA = 25°C, unless otherwise noted. |
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