Datasheet MAX4271, MAX4272, MAX4273 (Maxim) - 6

3V to 12V Current-Limiting Hot-Swap Controllers with Autoretry, DualSpeed/BiLevel Fault Protection Typical Operating Characteristics (continued)
(VIN = 5V, RSENSE = 100mΩ, CBOARD = 47µF, TA = +25°C, unless otherwise noted.)
FAST GATE DISCHARGE CURRENT GATE CHARGE CURRENT GATE CHARGE CURRENT vs. VGATE vs. GATE VOLTAGE vs. TEMPERATURE
1.8 120 150 V VIN = 12V VGATE = 0 1.6 IN = 12V VIN = 12V V MAX4271/3-10 IN = 3V 100 MAX4271/3-11 125 MAX4271/3-12 1.4 1.2 80 100 VIN = 5V A) VIN = 5.0V A) 1.0 VIN = 3.0V (μ (μ 60 75 VIN = 5V 0.8 I GATE I GATE 0.6 40 50 V 0.4 IN = 3V 20 FAST GATE DISCHARGE CURRENT (mA) 25 0.2 0 0 0 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 -40 -15 10 35 60 85 VIN (V) VGATE (V) TEMPERATURE (°C)
SLOW GATE DISCHARGE CURRENT TIME TO CHARGE GATE GATE VOLTAGE vs. INPUT VOLTAGE vs. GATE VOLTAGE vs. CGATE
25 400 1000 NO EXTERNAL MOSFET IGATE = 10μA 350 VIN = 3V 100 20 MAX4271/3-13 MAX4271/3-13a MAX4271/3-14 TA = +85°C 300 VIN = 12V TO V 10 GATE = 17V T 250
MAX4271/MAX4272/MAX4273
15 A = +25°C A) (V) (μ 200 1 VIN = 5V V GATE I GATE V TO V 10 TA = -40°C IN = 5V V GATE = 10V 150 IN = 12V 0.1 100 TIME TO CHARGE GATE (ms) VIN = 3V 5 0.01 TO VGATE = 6V 50 TRIGGERED BY A FAULT OR BY ON FALLING 0 0 0.001 0 2 4 6 8 10 12 14 0 2 4 6 8 10 12 14 16 18 20 0.01 0.1 1 10 100 1000 V V C IN (V) GATE (V) GATE (nF)
FAST GATE DISCHARGE CURRENT SLOW GATE DISCHARGE CURRENT TIME TO SLOW DISCHARGE GATE vs. VIN vs. TEMPERATURE vs. CGATE
4.0 400 1000 NO EXTERNAL MOSFET RISING VIN 350 DISCHARGE TO VGATE = 0.1V 3.5 MAX4271/3-15 MAX4271/3-16 V 100 MAX4271/3-17 IN = 3V 300 3.0 10 V 250 IN = 12V A) (μ 2.5 200 1 I GATE VIN = 5V 150 2.0 VIN = 5V, 12V 0.1 100 VGATE = VIN TIME TO DISCHARGE GATE (ms) 1.5 0.01 V FAST GATE DISCHARGE CURRENT (mA) 50 TRIGGERED BY A FAULT IN = 3V FALLING VIN OR BY ON FALLING 1.0 0 0.001 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 -40 -15 10 35 60 85 0.01 0.1 1 10 100 1000 TEMPERATURE (°C) C V GATE (nF) IN (V)
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