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MAX6883 Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAX6883 Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 19 page Dual-/Triple-Voltage, Power-Supply Sequencers/Supervisors 10 ______________________________________________________________________________________ Pin Description (continued) PIN MAX6880 MAX6881 MAX6882 MAX6883 NAME FUNCTION 14 — 10 — PG/ RST Power-Good Output, Open-Drain. PG_ RST asserts high tTIMEOUT after all OUT_ voltages exceed the VTH_PG thresholds. 16 9 — — OUT3 Channel 3 Monitored Output Voltage. Connect OUT3 to the source of an n-channel FET. A fault condition activates a 100 Ω pulldown to ground. 17 10 — — GATE3 Gate Drive for External n-Channel FET. An internal charge pump boosts GATE3 to VIN3 + 5V to fully enhance the external n-channel FET when power-up is complete. 18 11 11 11 OUT2 Channel 2 Monitored Output Voltage. Connect OUT2 to the source of an n-channel FET. A fault condition activates a 100 Ω pulldown to ground. 19 12 12 12 GATE2 Gate Drive for External n-Channel FET. An internal charge pump boosts GATE2 to VIN2 + 5V to fully enhance the external n-channel FET when power-up is complete. 20 13 13 13 OUT1 Channel 1 Monitored Output Voltage. Connect OUT1 to the source of an n-channel FET. A fault condition activates a 100 Ω pulldown to ground. 21 14 14 14 GATE1 Gate Drive for External n-Channel FET. An internal charge pump boosts GATE1 to VIN1 + 5V to fully enhance the external n-channel FET when power-up is complete. 22 15 — — IN3 23 16 15 15 IN2 24 1 16 16 IN1 Supply Input Voltage. IN1, IN2, or IN3 must be greater than the internal undervoltage lockout (VABP = 2.7V) to enable the sequencing functionality. Each IN_ input is simultaneously monitored by SET_ inputs to ensure all supplies have stabilized before power-up is enabled. If IN_ is connected to ground or left unconnected and SET_ is above 0.5V, then no sequencing control is performed on that channel. Each IN_ is internally pulled down by a 100k Ω resistor. EP EP EP EP EP Exposed Paddle. Connect exposed paddle to ground. |
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