Low-Voltage, Dual Hot-Swap Controllers/Power

Sequencers

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Low to high

0.80

0.825

0.85

V

Channel 1 ON Threshold

Hysteresis

25

mV

Low to high

1.95

2.025

2.07

V

Channel 2 ON Threshold

Hysteresis

25

mV

ON Propagation Delay

10mV overdrive

50

µs

0.03

100

ON Input Bias Current

0.03

1

µA

ON Pulse-Width Low

100

µs

DIGITAL OUTPUT (PGOOD)

Output Leakage Current

1

µA

Output-Voltage Low

0.4

V

PGOOD Delay

0.75

ms

OUTPUT VOLTAGE MONITORS (MON1, MON2)

Overvoltage

655

687

710

MON_ Trip Threshold

Undervoltage

513

543

567

mV

MON_ Glitch Filter

20

µs

MON_ Input Bias Current

0.03

µA

UNDERVOLTAGE LOCKOUT (UVLO)

Startup is initiated when this threshold is reached

2.1

2.4

2.67

V

UVLO Threshold

Hysteresis

100

mV

UVLO Glitch Filter Reset Time

100

µs

UVLO to Startup Delay

18

37.5

64

ms

SHUTDOWN RESTART

Autoretry Delay

Delay time to restart after a fault shutdown

MAX5904/MAX5906/MAX5908

ms

UNCOMMITTED COMPARATOR

Low to high

1.206

1.25

1.290

V

INC+ Trip Threshold Voltage

Hysteresis

10

mV

Propagation Delay

10mV overdrive

50

µs

OUTC Voltage Low

0.4

V

INC+ Bias Current

0.02

1

µA

OUTC Leakage Current

0.02

1

µA