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LTC4009CUF-2-TRPBF Datasheet(PDF) 6 Page - Linear Technology |
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LTC4009CUF-2-TRPBF Datasheet(HTML) 6 Page - Linear Technology |
6 / 28 page LTC4009 LTC4009-1/LTC4009-2 6 4009fb TYPICAL PERFORMANCE CHARACTERISTICS PWM Frequency vs Duty Cycle Gate Drive Non-Overlap Charge Current Line Regulation Input Current Limit Battery Load Dump LOAD STATE TIME (1ms/DIV) CLP = 20V VFLOAT = 12.3V 4009 G06 DISCONNECT RECONNECT 3A 2A 12.1V 1A 1A DCIN (V) 5 –0.5 –0.4 –0.2 –0.1 0 0.5 0.2 10 15 4009 G07 –0.3 0.3 0.4 0.1 20 25 ICHG = 1A ICHG = 2A ICHG = 3A BAT = 6V RSENSE = 33mΩ RIN = 3.01k Charge Current Load Regulation BAT (V) 11.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 –0.5 12.6 4009 G08 11.4 11.8 12.2 13.0 ICHG = 3A ICHG = 2A ICHG = 1A DCIN = 20V RSENSE = 33mΩ RIN = 3.01k SYSTEM LOAD (A) 0 0.5 1.0 1.5 1.5 2.5 4009 G09 0 –0.5 –1.0 0.5 1.0 2.0 2.0 2.5 3.0 IIN ICHG ICL STATE 2.5A BULK CHARGE 2.1A INPUT CURRENT LIMIT PWM Soft-Start ICHG 2A/DIV TIME (500μs/DIV) 4009 G10 ITH 1V/DIV PROG 1V/DIV SHDN 5V/DIV TIME (80ns/DIV) 4009 G11 TGATE BGATE DUTY CYCLE (%) 0 0 100 200 300 400 500 600 20 40 60 80 4009 G12 100 CLP = 6V CLP = 12V CLP = 20V CLP = 25V ICHG = 750mA (TA = 25°C unless otherwise noted. DIN = SSB44, L = IHLP-2525 6.8μH) Charge Current Accuracy BAT (V) 0 5 4 3 2 1 0 –1 –2 12 20 4009 G15 48 16 214 22 610 18 24 DCIN = 24V RPROG = 35.7k RSENSE = 33mΩ RIN = 3.01k DCIN = 12V RPROG = 26.7k |
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