Datasheet MAX4271, MAX4272, MAX4273 (Maxim) - 7

3V to 12V Current-Limiting Hot-Swap Controllers with Autoretry, DualSpeed/BiLevel Fault Protection MAX4271/MAX4272/MAX4273 Typical Operating Characteristics (continued)
(VIN = 5V, RSENSE = 100mΩ, CBOARD = 47µF, TA = +25°C, unless otherwise noted.)
MAX4271/MAX4272 FAST GATE DISCHARGE CURRENT MAX4271/MAX4272 TURN-OFF TIME vs. TEMPERATURE TURN-OFF TIME (CBOARD = 470
μ
F) (EXTERNAL CGATE = 22nF, CBOARD = 470
μ
F)
MAX4271/3-19 MAX4271/3-20 2.4 VIN = 3V ON ON 2.2 VGATE = VIN MAX4271/3-18 I V LOAD GATE ILOAD (1A/div) 2V/div 1A/div 2.0 0 0 1.8 V 1.6 OUT V 2V/div OUT 1.4 (2V/div) VIN = 5V, 12V FAST GATE DISCHARGE CURRENT (mA) 1.2 0 VGATE 0 (2V/div) 1.0 -40 -15 10 35 60 85 50μs/div 200μs/div TEMPERATURE (°C) CBOARD = 470μF, RSENSE = 100mΩ, CBOARD = 470μF, RSENSE = 100mΩ, CGATE = 0 CGATE = 22nF, RS = 0
MAX4273 MAX4273 TURN-OFF TIME TURN-OFF TIME ON COMPARATOR THRESHOLD (EXTERNAL CGATE = 22nF, CBOARD = 470
μ
F) (CBOARD = 470
μ
F) vs. INPUT VOLTAGE
MAX4271/3-20a MAX4271/3-20b 0.605 ON ON VGATE I V LOAD GATE ILOAD 0.603 MAX4271/3-21 RISING 2V/div 1A/div 2V/div 1A/div 0 0 0.601 FALLING VOUT VOUT 2V/div 2V/div 0.599 0.597 ON COMPARATOR THRESHOLD (V) 0 0 0.595 20μs/div 50μs/div 0 2 4 6 8 10 12 14 VIN (V)
ON-COMPARATOR THRESHOLD UVLO THRESHOLD VOLTAGE vs. TEMPERATURE vs. TEMPERATURE UVLO DELAY vs. TEMPERATURE
0.6100 2.60 160 0.6075 MAX4271/3-22 2.55 MAX4271/3-26 MAX4271/3-27 RISING 155 V VIN = 5V, 12V 0.6050 IN = 12V 2.50 V VIN = 3V 0.6025 IN = 5V 2.45 150 FALLING 0.6000 } 2.40 UVLO DELAY (ms) RISING UVLO THRESHOLD (V) VIN = 3V 145 ON COMPARATOR THRESHOLD (V) } 0.5975 2.35 FALLING 0.5950 2.30 140 -40 -15 10 35 60 85 -40 -15 10 35 60 85 -40 -15 10 35 60 85 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C)
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