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LTC4253 Datasheet(PDF) 7 Page - Linear Technology |
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LTC4253 Datasheet(HTML) 7 Page - Linear Technology |
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7 / 32 page  LTC4253 7 4253f TYPICAL PERFOR A CE CHARACTERISTICS ITMR (Circuit Breaker, Sourcing) vs Temperature TIMER Threshold vs Temperature ITMR (Initial Cycle, Sourcing) vs Temperature ITMR (Initial Cycle, Sinking) vs Temperature ISENSE vs Temperature ISENSE vs ( VSENSE - VEE ) OV Threshold vs Temperature UV Threshold vs Temperature VGATEH vs Temperature TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G25 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 UV/OV = 4V VGATEH = VIN – VGATE IIN = 2mA TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G26 3.375 3.275 3.175 3.075 2.975 2.875 2.775 IIN = 2mA VUVH VUVL TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G27 6.45 6.35 6.25 6.15 6.05 5.95 5.85 5.75 5.65 5.55 IIN = 2mA VOVH VOVH VSENSE – VEE (V) –1.5 –1 –0.5 0 0.5 1 1.5 4253 G28 0.01 0.1 1 10 100 1000 UV/OV = 4V TIMER = 0V GATE = HIGH TA = 25°C TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G29 0 –5 –10 –15 –20 –25 –30 UV/OV = 4V TIMER = 0V VSENSE – VEE = 50mV VGATE = HIGH TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G30 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 IIN = 2mA VTMRH VTMRL TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G31 10 9 8 7 6 5 4 3 2 1 0 IIN = 2mA VTMR = 2V TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G32 50 45 40 35 30 25 20 15 10 5 0 IIN = 2mA VTMR = 2V TEMPERATURE ( °C) –55 –35 –15 5 25 45 65 85 105 125 4253 G33 240 230 220 210 200 190 180 170 160 IIN = 2mA IDRN = 0µA |
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