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MAX4272ESA датащи(PDF) 7 Page - Maxim Integrated Products |
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MAX4272ESA датащи(HTML) 7 Page - Maxim Integrated Products |
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7 / 24 page ![]() 3V to 12V Current-Limiting Hot Swap Controllers with Autoretry, DualSpeed/BiLevel Fault Protection _______________________________________________________________________________________ 7 Typical Operating Characteristics (continued) (VIN = 5V, RSENSE = 100m Ω, CBOARD = 47µF, TA = +25°C, unless otherwise noted.) 1.0 1.4 1.2 1.8 1.6 2.2 2.0 2.4 -40 10 -15 356085 FAST GATE DISCHARGE CURRENT vs. TEMPERATURE TEMPERATURE ( °C) VGATE = VIN VIN = 3V VIN = 5V, 12V CBOARD = 470 µF, RSENSE = 100mΩ, CGATE = 0 ILOAD (1A/div) VOUT (2V/div) VGATE (2V/div) 0 50 µs/div MAX4271/MAX4272 TURN-OFF TIME (CBOARD = 470 µF) MAX4271/3-19 ON 0 CBOARD = 470 µF, RSENSE = 100mΩ, CGATE = 22nF, RS = 0 ILOAD 1A/div VOUT 2V/div VGATE 2V/div 0 0 200 µs/div MAX4271/MAX4272 TURN-OFF TIME (EXTERNAL CGATE = 22nF, CBOARD = 470 µF) MAX4271/3-20 ON 0.595 0.597 0.601 0.599 0.603 0.605 04 2 6 8 101214 ON COMPARATOR THRESHOLD vs. INPUT VOLTAGE VIN (V) RISING FALLING 0.5950 0.6000 0.5975 0.6050 0.6025 0.6075 0.6100 -40 35 60 -15 10 85 ON-COMPARATOR THRESHOLD vs. TEMPERATURE TEMPERATURE ( °C) } } VIN = 12V VIN = 5V VIN = 3V 2.30 2.40 2.35 2.50 2.45 2.55 2.60 -40 35 60 -15 10 85 UVLO THRESHOLD VOLTAGE vs. TEMPERATURE TEMPERATURE ( °C) RISING FALLING 140 145 150 155 160 UVLO DELAY vs. TEMPERATURE TEMPERATURE ( °C) -40 35 60 -15 10 85 VIN = 3V VIN = 5V, 12V MAX4273 TURN-OFF TIME (EXTERNAL CGATE = 22nF, CBOARD = 470 µF) MAX4271/3-20a ILOAD 1A/div 0 ON VOUT 2V/div VGATE 2V/div 0 20 µs/div MAX4273 TURN-OFF TIME (CBOARD = 470 µF) MAX4271/3-20b VOUT 2V/div VGATE 2V/div 0 ILOAD 1A/div 0 ON 50 µs/div |
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