Datasheet LT3650-8.2, LT3650-8.4 (Analog Devices) - 5

LT3650-8.2/LT3650-8.4
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Switch Drive (ISW/IBOOST) Switch Forward Drop (VIN – VSW) CC/CV Charging; SENSE Pin Bias vs Switch Current vs Temperature Current vs VSENSE
36 480 100 I 33 SW = 2A LT3650-8.2 460 50 30 27 440 0 24 –50 420 21 (µA) –100 /I BOOST 18 400 –150 I SW 15 380 I SENSE 12 –200 9 360 –250 6 SWITCH FORWARD DROP (mV) 340 3 –300 0 320 –350 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 –50 –25 0 25 50 75 100 125 0 0.5 1 1.5 2 2.5 5.5 6 8 8.5 SWITCH CURRENT (A) TEMPERATURE (°C) V 365082 G04 365082 G05 SENSE (V) 365082 G06
CLP Input Limit Threshold C/10 Threshold vs Temperature (VCLP – VIN) vs Temperature IMAX Current Limit (VSENSE – VBAT) (VSENSE – VBAT) ICHG at 50% vs Temperature
12 51.0 101.0 VBAT = 7.5V 50.8 100.8 50.6 100.6 11 50.4 100.4 (mV) 50.2 (mV) 100.2 (mV) V BAT 10 V IN 50.0 V BAT 100.0 – – – 49.8 99.8 V CLP V SENSE 49.6 V SENSE 99.6 9 49.4 99.4 49.2 99.2 8 49.0 99.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 365082 G07 365082 G08 365082 G09
Thermal Foldback – IMAX Battery Bias Current with Charger Current Limit (VSENSE – VBAT) CC/CV Charging; BAT Pin Bias Disabled (IBAT + ISENSE + IBOOST vs Temperature Current vs VBAT + ISW)
120 2.2 10 2.0 LT3650-8.2 9 100 1.8 1.6 8 1.4 7 80 (mV) 1.2 6 BAT 1.0 VIN FLOATING 60 (mA) 5 – V 0.8 I BAT 0.6 4 V SENSE 40 0.4 3 0.2 BATTERY CURRENT (µA) 20 2 0.0 –0.2 1 VIN = 20V, VSHDN = 0V 0 –0.4 0 25 35 45 55 65 75 85 95 105 115 125 135 0 0.5 1 1.5 2 2.5 3 3.5 8 8.5 0 1 2 3 4 5 6 7 8 9 TEMPERATURE (°C) V V 365082 G10 BAT (V) 365082 G11 BAT (V) 365082 G12 36508284fd 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts