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LTC4099EPDC-PBF Datasheet(PDF) 7 Page - Linear Technology |
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LTC4099EPDC-PBF Datasheet(HTML) 7 Page - Linear Technology |
7 / 36 page LTC4099 7 4099f Ideal Diode V-I Characteristics Ideal Diode Resistance vs Battery Voltage FORWARD VOLTAGE (V) 0 0.6 0.8 1.0 0.16 4099 G11 0.4 0.2 0 0.04 0.08 0.12 0.20 INTERNAL IDEAL DIODE WITH SUPPLEMENTAL EXTERNAL VISHAY Si2333 PMOS INTERNAL IDEAL DIODE ONLY BATTERY VOLTAGE (V) 2.7 0.15 0.20 0.25 3.9 4099 G12 0.10 0.05 0 3.0 3.3 3.6 4.2 INTERNAL IDEAL DIODE WITH SUPPLEMENTAL EXTERNAL VISHAY Si2333 PMOS INTERNAL IDEAL DIODE Automatic Low Battery Charge Current Reduction Battery Charge Current vs Temperature VBUS Current vs VBUS Voltage (Suspend) VBUS VOLTAGE (V) 1 30 40 50 5 4099 G18 20 10 0 2 3 4 6 IVOUT = 0mA BATTERY VOLTAGE (V) 2.7 0 40 20 60 80 100 120 140 3.0 3.3 3.6 3.9 4099 G10 4.2 VFLOAT VOLTAGE SET FOR 4.2V VBUS INPUT LIMIT SET FOR USB 100mA USB Limited Battery Charge Current vs Battery Voltage TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C, VBUS = 5V, BAT = 3.8V, RPROG = 1.02k, RCLPROG = 3.01k, unless otherwise noted. Low Battery (Instant-On) Output Voltage vs Temperature TEMPERATURE (°C) –40 3.64 3.66 60 4099 G13 3.62 3.60 –15 10 35 85 3.68 BAT = 2.7V IVOUT = 100mA VBUS INPUT LIMIT SET FOR USB 500mA Normalized Battery Charger Float Voltage vs Temperature TEMPERATURE (°C) –40 0.998 0.999 1.000 60 4099 G14 0.997 0.996 –15 10 35 85 1.001 Oscillator Frequency vs Temperature TEMPERATURE (°C) –40 2.25 2.30 2.35 60 4099 G17 2.20 2.15 2.10 –15 10 35 85 TEMPERATURE (˚C) –40 100 040 –20 20 60 80 120 4099 G16 105°C SETTING 85°C SETTING 0 100 200 300 400 500 600 THERMAL REGULATION VOUT (V) 3.50 0 100 200 300 400 500 3.55 3.60 3.65 4099 G15 3.70 |
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