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LTC4090EDJC-TRPBF Datasheet(PDF) 6 Page - Linear Technology |
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LTC4090EDJC-TRPBF Datasheet(HTML) 6 Page - Linear Technology |
6 / 28 page LTC4090/LTC4090-5 6 4090fa SWITCH CURRENT (mA) 0 400 500 700 1500 4090 G11 300 200 500 1000 2000 2500 100 0 600 0 3000 4000 5000 80 4090 G07 2000 1000 2500 3500 4500 1500 500 0 20 40 60 100 VFWD (mV) VBAT = 3.7V VIN = 0V Si2333 PFET –50 °C 0 °C 50 °C 100 °C VBAT (V) 0 0 100 300 400 500 1 2 2.5 4.5 4090 G04 200 0.5 1.5 3 3.5 4 600 VIN = 5V VOUT = NO LOAD RPROG = 100k RCLPROG = 2k HPWR = 5V HPWR = 0V TEMPERATURE ( °C) –50 400 500 600 25 75 4090 G05 300 200 –25 0 50 100 125 100 0 RPROG = 2.1k VIN = 5V VBAT = 3.5V θJA = 40°C/W VFWD (mV) 0 0 100 300 400 500 1000 700 50 100 4090 G06 200 800 900 600 150 200 VBAT = 3.7V VIN = 0V –50 °C 0 °C 50 °C 100 °C IOUT (A) 0 80 90 100 0.8 4090 G08 70 60 75 85 95 65 55 50 0.2 0.4 0.6 1.0 HVIN = 8V HVIN = 12V HVIN = 24V HVIN = 36V FIGURE 12 SCHEMATIC VBAT = 4.21V (IBAT = 0) HVIN (V) 5 1.8 2.0 2.2 2.4 2.6 3.0 10 15 20 25 4090 G09 30 35 2.8 FIGURE 12 SCHEMATIC VBAT = 4.21V (IBAT = 0) TYPICAL MINIMUM TEMPERATURE (˚C) 80 100 120 4090 G10 60 40 20 0 140 –50 25 –25 0 50 75 100 150 125 TYPICAL PERFORMANCE CHARACTERISTICS Charging from USB, IBAT vs VBAT Charge Current vs Temperature (Thermal Regulation) Ideal Diode Current vs Forward Voltage and Temperature (No External Device) Ideal Diode Current vs Forward Voltage and Temperature with External Device LTC4090 High Voltage Regulator Efficiency vs Output Load High Voltage Regulator Maximum Load Current High Voltage Regulator Minimum Switch On-Time vs Temperature High Voltage Regulator Switch Voltage Drop LTC4090-5 High Voltage Regulator Efficiency vs Output Load IOUT (A) 0 80 90 100 0.8 4090 G29 70 60 75 85 95 65 55 50 0.2 0.4 0.6 1.0 HVIN = 8V HVIN = 12V HVIN = 24V HVIN = 36V FIGURE 12 SCHEMATIC VBAT = 4.21V (IBAT = 0) |
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