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MAX5918AEEE Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX5918AEEE Datasheet(HTML) 5 Page - Maxim Integrated Products |
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5 / 15 page ![]() Low-Voltage, Dual Hot-Swap Controllers with Independent ON/OFF Control _______________________________________________________________________________________ 5 0.1 1 10 20 30 35 25 40 45 50 55 60 65 70 75 80 TURN-OFF TIME vs. SENSE VOLTAGE (EXPANDED SCALE) VIN - VSENSE (mV) SLOW-COMP. THRESHOLD 0 40 20 80 60 100 120 0 200 100 300 400 SLOW-COMPARATOR THRESHOLD vs. RLIM RLIM (k Ω) 0 20 10 40 30 50 60 STARTUP PERIOD vs. RTIM RTIM (k Ω) 0 200 300 100 400 500 600 0 0 0 VPGOOD 5V/div VSENSE - VIN 100mV/div VGATE 5V/div TURN-OFF TIME SLOW-COMPARATOR FAULT MAX5918/19 toc13 1ms/div VIN = 5.0V tSCD 26mV STEP 0 0 0 VPGOOD 5V/div VSENSE - VIN 100mV/div VGATE 5V/div TURN-OFF TIME FAST-COMPARATOR FAULT MAX5918/19 toc14 400ns/div VIN = 5.0V tFCD 125mV STEP VON 2V/div VPGOOD 2V/div IOUT 5A/div VOUT 5V/div VGATE 5V/div STARTUP WAVEFORMS FAST TURN-ON MAX5918/19 toc15 1ms/div VIN = 5.0V, RSENSE = 10m Ω, RTIM = 27k Ω, CBOARD = 1000µF VON 2V/div VPGOOD 2V/div IOUT 5A/div VOUT 5V/div VGATE 5V/div STARTUP WAVEFORMS SLOW TURN-ON MAX5918/19 toc16 1ms/div VIN = 5.0V, RSENSE = 10m Ω, RTIM = 47kΩ, CBOARD = 1000 µF, CGATE = 22nF IOUT 5A/div VOUT 5V/div VGATE 5V/div AUTORETRY DELAY MAX5918/19 toc17 40ms/div VIN = 5.0V, RSENSE = 10m Ω, RTIM = 47kΩ, CBOARD = 1000 µF, RBOARD = 1.4Ω Typical Operating Characteristics (continued) (Typical Operating Circuits, Q1 = Q2 = Fairchild FDB7090L, VIN1 = +5V, VIN2 = +3.3V, VON1 = VON2 = +2.7V, TA = +25°C, unless otherwise noted. Channels 1 and 2 are identical in performance. Where characteristics are interchangeable, channels 1 and 2 are referred to as X and Y.) |
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