-48V Hot-Swap Controllers with External

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7

Timing Diagrams (continued)

DRAIN

PWRGD

PWRGD

DRAIN

1.4V

1.4V

1V

1V

Figure 5a. DRAIN to PWRGD/PWRGD Timing

1.4V

GATE

PWRGD

1V

GATE

PWRGD

1.4V

1V

Figure 5b. GATE to PWRGD/PWRGD Timing

UVLO

REFERENCE

GENERATOR

LOGIC

OUTPUT

DRIVER

GATE

DRIVER

MAX5921/MAX5939

REF

50mV

UV

OV

REF

SENSE

GATE

DRAIN

PWRGD

PWRGD

Block Diagram