Datasheet LT3651-4.1, LT3651-4.2 (Analog Devices) - 5

LT3651-4.1/LT3651-4.2
TYPICAL PERFORMANCE CHARACTERISTICS Battery Float Voltage VIN Standby Mode Current SENSE and BAT Pin Current vs Temperature vs Temperature vs BAT Voltage, VSENSE = VBAT
1.0 100 150 LT3651-4.2 95 100 ISENSE 90 50 0.5 IBAT 85 0 (%) 80 –50 T) 0 (µA) T(FL 75 –100 I VIN –150 ∆V BA 70 CURRENT (µA) 65 –200 –0.5 60 –250 55 –300 –1.0 50 –350 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 TEMPERATURE (°C) TEMPERATURE (°C) VBAT (V) 365142 G01 365142 G02 365142 G03
Maximum Charge Current vs Thermal Foldback–Charge Current VRNG/SS as a Percentage of IMAX Current Limit vs Temperature as a Percentage Programmed IMAX (VSENSE – VBAT) vs Temperature of Programmed ICHG(MAX)
120 101.0 120 100 100 100.5 80 80 (%) (mV) (%) BAT 60 100.0 60 – V I CHG(MAX) I CHG(MAX) 40 V SENSE 40 99.5 20 20 0 99.0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 –50 –25 0 25 50 75 100 125 100 110 120 130 140 VRNG/SS (V) TEMPERATURE (°C) TEMPERATURE (°C) 365142 G04 365142 G05 365142 G06
Maximum Input Current vs VILIM Charge Current vs VBAT as a as a Percentage of Programmed Input Current Limit Voltage Percentage of Programmed IIN(MAX) Threshold vs Temperature ICHG(MAX)
120 2.0 120 LT3651-4.2 1.5 100 100 1.0 RILIM OPEN 80 80 ) (mV) 0.5 (%) CLN R 60 0 ILIM = 10k (%) 60 – V I CHG I IN(MAX) CLP –0.5 40 ∆(V 40 –1.0 20 20 –1.5 0 –2.0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 –50 –25 0 25 50 75 100 125 2.5 3.0 3.5 4.0 4.5 VILIM (V) TEMPERATURE (°C) VBAT (V) 365142 G07 365142 G08 365142 G09 365142ff For more information www.linear.com/LT3651-4.1 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts