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LTC4008EGN-1 Datasheet(PDF) 5 Page - Linear Technology |
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LTC4008EGN-1 Datasheet(HTML) 5 Page - Linear Technology |
5 / 24 page 5 LTC4008 4008fa VOUT vs IOUT PWM Frequency vs Duty Cycle Disconnect/Reconnect Battery (Load Dump) Battery Leakage Current vs Battery Voltage DUTY CYCLE (VOUT/VIN) 0 0.1 0.2 0.4 0.6 0.9 0.8 0.3 0.5 0.7 1.0 4008 G05 PROGRAMMED CURRENT = 10% DCIN = 15V DCIN = 20V DCIN = 24V 350 300 250 200 150 100 50 0 OUTPUT CURRENT (A) 0 0.5 1.0 2.0 3.0 4.0 1.5 2.5 3.5 4.5 4008 G04 DCIN = 20V VBAT = 12.6V 0 –0.5 –1.0 –1.5 –2.0 –2.5 –3.0 –3.5 –4.0 –4.5 –5.0 4008 G06 LOAD CURRENT = 1A, 2A, 3A DCIN = 20V VFLOAT = 12.6V VFLOAT 1V/(DIV) LOAD STATE DISCONNECT RECONNECT 1A STEP 3A STEP 3A STEP 1A STEP BATTERY VOLTAGE (V) 0 5 10 15 20 25 30 4008 G07 40 35 30 25 20 15 10 5 0 VDCIN = 0V TYPICAL PERFOR A CE CHARACTERISTICS (T A = 25°C unless otherwise noted) Efficiency at 19VDC VIN CHARGE CURRENT (A) 1.00 0.50 1.50 2.00 2.50 3.00 4008 G09 16.8V 12.6V 100 95 90 85 80 75 Efficiency at 12.6V with 15VDC VIN CHARGE CURRENT (A) 1.00 0.50 1.50 2.00 2.50 3.00 4008 G10 100 95 90 85 80 75 Charging Voltage Error TEMP = 27 °C, ILOAD = 0.120A CHARGING VOLTAGE (V) 0 0.150 0.100 0.125 0.075 0.050 0 0.025 –0.025 –0.050 –0.075 –0.100 –0.125 –0.150 16 4008 G11 4 2 6 10 14 18 8 12 22 20 DCIN = 15V DCIN = 20V |
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Similar Description - LTC4008EGN-1 |
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