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SC403MLTRT Datasheet(PDF) 4 Page - Semtech Corporation |
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SC403MLTRT Datasheet(HTML) 4 Page - Semtech Corporation |
4 / 32 page SC403 4 Electrical Characteristics (continued) Parameter Conditions Min Typ Max Units Input Supplies (continued) VDD Supply Current ENL , EN/PSV = 0V 3 7 μA EN/PSV = V DD, no load (fSW = 25kHz), VFB > 750mV 2 mA EN/PSV = V DD, no load (fSW = 25kHz), VFB > 750mV 1 V DD = 5V, fSW = 250kHz, EN/PSV = floating , no load 4 V DD = 3V, fSW = 250kHz, EN/PSV = floating , no load 2.5 FB On-Time Threshold Static V IN and load, 0 to +85 °C 0.744 0.750 0.756 V Static V IN and load, -40 to +85 °C 0.742 0.758 V Frequency Range Continuous mode operation 1000 kHz Minimum f SW, EN/PSV = VDD, no load 25 Bootstrap Switch Resistance 10 Ω Switching MOSFET Resistance R DSON High Side FET 30 mΩ Low Side FET 10 Timing On-Time Continuous mode operation, V IN = 15V, VOUT = 5V, fSW= kHz, RTON = 300kΩ 2386 2650 2915 ns 3V < V DD < 4.5V (2) Minimum On-Time 80 ns Minimum Off-Time V DD = 5V 250 ns V DD = 3V 370 Soft-Start Soft-Start Current 2.75 μA Soft-Start Voltage When V OUT reaches regulation 1.5 V Analog Inputs/Outputs VOUT Input Resistance 500 kΩ |
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