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LTC3633A-3 Datasheet(PDF) 6 Page - Linear Technology |
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LTC3633A-3 Datasheet(HTML) 6 Page - Linear Technology |
6 / 28 page LTC3633A-2/LTC3633A-3 6 3633a23fb For more information www.linear.com/LTC3633A-2 Burst Mode Operation Internal MOSFET RDS(ON) vs Temperature Quiescent Current vs VIN Burst Mode Operation Switch Leakage vs Temperature Valley Current Limit vs Temperature TRACKSS Pull-Up Current vs Temperature TYPICAL PERFORMANCE CHARACTERISTICS Shutdown Current vs VIN Load Step 4 100 200 300 500 8 20 3633a23 G11 0 600 900 800 700 400 6 10 12 16 14 18 90°C 25°C –40°C VIN (V) 4 2 4 6 10 8 20 3633a G12 0 12 24 22 16 18 20 14 8 6 10 12 14 16 18 VIN (V) –50 1000 2000 3000 5000 0 150 100 125 3633a23 G13 0 6000 10000 9000 8000 7000 4000 –25 25 50 75 TEMPERATURE (°C) SYNCHRONOUS SWITCH MAIN SWITCH TJ = 25°C, PVIN1 = PVIN2 = SVIN = 12V, fSW = 1MHz, L = 1µH unless otherwise noted. TEMPERATURE (°C) –50 1.4 1.6 2.0 25 75 3633a23 G15 1.2 1.0 –25 0 50 100 125 0.8 0.6 1.8 –50 3.4 3.5 50 3633a23 G14 3.3 3.7 3.6 3.9 3.8 25 –25 0 75 100 125 TEMPERATURE (°C) IL 1A/DIV SW 10V/DIV 5µs/DIV 3633a23 G17 VOUT 50mV/DIV VOUT = 1.8V ILOAD = 100mA IL 2A/DIV 20µs/DIV 3633a23 G18 VOUT AC-COUPLED 100mV/DIV VOUT = 1.8V ILOAD = 100mA to 3A CITH = 220pF RITH = 13k –50 –25 0 20 60 80 100 140 50 125 3633a23 G10 40 160 200 180 120 0 25 75 100 TEMPERATURE (°C) TOP SWITCH BOTTOM SWITCH |
Similar Part No. - LTC3633A-3_15 |
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Similar Description - LTC3633A-3_15 |
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