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LTC4007 Datasheet(PDF) 5 Page - Linear Technology |
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LTC4007 Datasheet(HTML) 5 Page - Linear Technology |
5 / 24 page LTC4007 5 4007fc TYPICAL PERFORMANCE CHARACTERISTICS PWM Frequency vs Duty Cycle Disconnect/Reconnect Battery (Load Dump) 1A Load Step (Battery Present) 1A Load Step (Battery Not Present) Battery Leakage Current vs Battery Voltage INFET Response Time to Reverse Current Line Regulation VOUT vs IOUT TEST PERFORMED ON DEMOBOARD VIN = 15VDC CHARGER = ON ICHARGE = <10mA Vs OF PFET (5V/DIV) Id (REVERSE) OF PFET (5A/DIV) Vgs OF PFET (2V/DIV) 4007 G01 VCHARGE = 12.6V PFET = 1/2 Si4925DY Vgs = 0 Vs = 0V Id = 0A 1.25μs/DIV VDCIN (V) 13 15 17 21 25 29 19 23 27 31 4007 G02 0.10 0.05 0 –0.05 –0.10 –0.15 –0.20 –0.25 –0.30 –0.35 –0.40 –0.45 C3C4 = GND C3C4 = OPEN OUTPUT CURRENT (A) 0 0.5 1.0 2.0 3.0 4.0 1.5 2.5 3.5 4.5 4007 G03 3C4C = GND 3C4C = OPEN 0 –0.5 –1.0 –1.5 –2.0 –2.5 –3.0 –3.5 –4.0 –4.5 –5.0 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 4007 G04 PROGRAMMED CURRENT = 10% DCIN = 15V DCIN = 20V DCIN = 24V 350 300 250 200 150 100 50 0 4007 G05 LOAD CURRENT = 1A, 2A, 3A DCIN = 20V VFLOAT = 12.6V (3C4C = GND, CHEM = OPEN) VFLOAT 1V/DIV LOAD STATE DISCONNECT 1A STEP 3A STEP RECONNECT 3A STEP 1A STEP DCIN = 20V VFLOAT = 12.6V OUTPUT VOLTAGE (500mV/DIV) CHARGER CURRENT (1A/DIV) 4007 G06 DCIN = 20V VFLOAT = 12.6V OUTPUT VOLTAGE (5V/DIV) CHARGER CURRENT (500mA/DIV) 4007 G07 BATTERY VOLTAGE (V) 0 5 10 15 20 25 30 4007 G08 40 35 30 25 20 15 10 5 0 VDCIN = 0V |
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Similar Description - LTC4007_15 |
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