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LTC4090-5 Datasheet(PDF) 7 Page - Linear Technology |
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LTC4090-5 Datasheet(HTML) 7 Page - Linear Technology |
7 / 28 page LTC4090/LTC4090-5 7 4090fa TEMPERATURE ( °C) –50 2.80 2.85 2.90 25 75 150 4090 G20 2.75 2.70 2.65 –25 0 50 100 125 DUTY CYCLE (%) 0 40 4090 G15 2.5 20 60 1.5 1.0 4.0 3.5 3.0 2.0 80 100 RUN/SS PIN VOLTAGE (V) 0 3.5 1.5 4090 G14 2.0 1.0 0.5 1 2 0.5 0 4.0 3.0 2.5 1.5 2.5 3 3.5 TEMPERATURE ( °C) –50 500 600 700 800 900 050 100 150 4090 G12 1000 1100 –25 25 75 125 HVOUT (V) 0 0 100 300 400 500 1000 700 1 2 4090 G13 200 800 900 600 3 4 BOOST DIODE CURRENT (A) 0 0.8 1.0 1.2 2.0 4090 G18 0.6 0.4 0 0.5 1.0 1.5 0.2 1.4 LOAD CURRENT (mA) 1 5.0 6.0 7.0 10 100 1000 4090 G17 4.0 4.5 5.5 6.5 3.5 3.0 TO START TO RUN TEMPERATURE ( °C) 1.50 2.00 2.50 4090 G19 1.00 0.50 0 CURRENT LIMIT CLAMP SWITCHING THRESHOLD –50 25 –25 0 50 75 100 150 125 TYPICAL PERFORMANCE CHARACTERISTICS High Voltage Regulator Switch Frequency High Voltage Regulator Frequency Foldback High Voltage Regulator Soft-Start High Voltage Regulator Switch Current Limit High Voltage Regulator Minimum Input Voltage High Voltage Regulator Boost Diode VF vs IF High Voltage Regulator VC Voltages High Voltage Regulator Power Good Threshold TEMPERATURE ( °C) 2.0 2.5 3.5 3.0 4090 G16 1.5 1.0 0 0.5 4.5 4.0 DUTY CYCLE = 10 % DUTY CYCLE = 90 % –50 25 –25 0 50 75 100 150 125 High Voltage Regulator Switch Current Limit |
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