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LTC4010EFE Datasheet(PDF) 5 Page - Linear Integrated Systems |
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LTC4010EFE Datasheet(HTML) 5 Page - Linear Integrated Systems |
5 / 20 page 5 LTC4010 4010p TYPICAL PERFOR A CE CHARACTERISTICS Typical NiMH Charge Cycle at 1C NiCd Charge at 2C NiMH Charge at 0.6C Charger Efficiency at DCIN = 20V, IOUT = 2A Charge Current Accuracy Charger Soft-Start Fast Charge Current Line Regulation PowerPath Switching Fast Charge Current Output Regulation TIME (MINUTES) 0 1.50 1.55 1.60 60 4010 G01 1.45 1.40 20 40 80 1.35 1.30 1.65 30 32 34 28 26 24 1A 22 36 CHARGE CURRENT BATTERY TEMPERATURE SINGLE CELL VOLTAGE BATTERY VOLTAGE (V) 0 100 95 90 85 80 75 70 67 60 16 4010 G04 4 8 12 20 14 2 6 10 18 TEMPERATURE (°C) –12 –8 –4 0 –10 –6 –2 10 20 30 40 4010 G05 50 0 FAST CHARGE PRECHARGE VCC = 12V BAT = 4.8V 200µs/DIV 10 5 5 0 2 1 0 4010 G06 TGATE BGATE FAST CHARGE CURRENT PRECHARGE CURRENT VCC (V) 6 –3 –2 –1 0 1 3 10 14 18 22 4010 G07 26 30 2 50°C 25°C 0°C BAT = 4.8V BAT (V) 0 –3 –2 0 1 2 4 8 4010 G08 –1 12 16 3 50°C 25°C 0°C VCC = 20V 8 4010 G09 4 100µs/DIV DC674A WITH 1kΩ SYSTEM LOAD AND 20kΩ DCIN SHUNT, CHARGER PAUSED 0 VCC INFET DCIN DCIN OPEN |
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