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LTC1759 Datasheet(PDF) 6 Page - Linear Technology |
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LTC1759 Datasheet(HTML) 6 Page - Linear Technology |
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6 / 28 page  6 LTC1759 TYPICAL PERFOR A CE CHARACTERISTICS 1 µs/DIV 1759 G02 5V 0V RPULLUP = 15k LTC1759 VCC = 5V CLD = 200pF TA = 25°C TEMPERATURE ( °C) 0 1.10 1.05 1.00 0.95 0.90 1759 G03 10 20 30 40 50 60 70 80 VDD = 5.5V VDD = 3V VBAT (V) 6 8 10 12 14 16 18 20 22 24 1759 G04 90 80 70 60 50 40 30 20 10 TA = 25°C VDD (V) 3.0 3.5 4.0 4.5 5.0 5.5 1759 G05 120 110 100 90 80 70 60 TA = 25°C CHARGING CURRENT (mA) 256 1256 2256 3256 4256 1759 G06 0 –10 –20 –30 –40 –50 –60 RILIMIT = 33k VIN = 15V VOUT = 12V TA = 25°C VDD = 5.5V VDD = 3V CHARGING VOLTAGE (mV) 2000 3000 4000 5000 6000 7000 8000 9000 1759 G07 0 –5 –10 –15 –20 –25 –30 RVLIMIT = 0 LOAD CURRENT = 15mA TA = 25°C VDD = 5.5V VDD = 3V CHARGING VOLTAGE (mV) 2000 6000 10000 14000 18000 1759 G08 0 –5 –10 –15 –20 –25 –30 RVLIMIT = 33k LOAD CURRENT = 15mA TA = 25°C VDD = 5.5V VDD = 3V SMBus Accelerator Operation DCDIV Trip Point vs Temperature IDD vs VDD (Not Charging) Programmed Current Accuracy Current from Battery vs Battery Voltage (Does Not Include VDD Current) Charging Voltage Error Charging Voltage Error CHARGING CURRENT (mA) 0 50 100 150 200 250 300 1759 G01 350 300 250 200 150 100 50 0 RILIMIT = 33k VIN = 15V VOUT = 12V TA = 25°C CPROG = 1nF RSET = 3.83k Low Current Mode CHARGING CURRENT (A) 0.5 1.5 2.5 3.5 1759 G09 100 95 90 85 80 75 70 16.8V 12.6V VIN = 20V Charger Efficiency |
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