Datasheet LTC4020 (Analog Devices) - 6

LTC4020
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. VFLOAT(CC/CV) or, VABSORB(Lead-Acid) VFLOAT(Lead-Acid) Reference vs Reference vs Temperature Temperature VFBMAX Reference vs Temperature
2.525 2.36 2.80 2.35 2.520 2.79 2.34 2.515 2.78 2.33 2.510 2.77 2.32 2.505 2.76 2.31 2.500 2.75 TAGE (V) TAGE (V) 2.30 TAGE (V) VOL 2.495 VOL VOL 2.74 2.29 2.490 2.73 2.28 2.485 2.27 2.72 2.480 2.26 2.71 2.475 2.25 2.70 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4020 G01 4020 G02 4020 G03
Maximum Charge Current Shutdown Current vs Temperature INTV (Percent of Programmed I CC Short-Circuit Current CSMAX) (I vs RNG/SS Voltage PVIN + ISENSVIN + ISENSTOP) Limit vs Temperature
50 155 100 154 90 45 153 80 40 152 70 60 35 151 150 50 30 149 40 CURRENT LIMIT (mA) 25 30 V CC 148 ANDBY MODE CURRENT (µA) ST INT 147 20 20 MAXIMUM CHARGE CURRENT (%) 146 10 15 145 0 –40–30–20–10 0 10 20 30 40 50 60 70 80 90 –40 –25 –10 5 20 35 50 65 80 95 110 125 0 0.2 0.4 0.6 0.8 1.0 1.2 TEMPERATURE (°C) TEMPERATURE (°C) RNG/SS VOLTAGE (V) 4020 G04 4020 G05 4020 G06
Instant-On: Maximum Charge IBATQ (IBAT + ICSN + ICSP) vs Current (Percent of ICSMAX) vs IBATQ (IBAT + ICSN + ICSP) vs VBAT Temperature PowerPath Switcher VCSN–BAT PowerPath Switcher Disabled Disabled
100 11.0 11.0 VBAT = 20V 90 10.5 10.5 80 10.0 70 9.5 10.0 60 9.0 (µA) 50 8.5 (µA) TQ 9.5 TQ 40 I BA 8.0 I BA 9.0 30 7.5 20 7.0 MAXIMUM CHARGE CURRENT (%) 8.5 10 6.5 0 6.0 8.0 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 0 5 10 15 20 25 30 35 40 45 50 55 –40–30–20–10 0 10 20 30 40 50 60 70 80 90 V V CSN–BAT (V) BAT (V) TEMPERATURE (°C) 4020 G07 4020 G08 4020 G09 4020fd 6 For more information www.linear.com/LTC4020 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts