3V to 12V Current-Limiting Hot Swap Controllers

with Autoretry, DualSpeed/BiLevel Fault Protection

_______________________________________________________________________________________

7

Typical Operating Characteristics (continued)

1.0

1.4

1.2

1.8

1.6

2.2

2.0

2.4

-40

10

-15

356085

FAST GATE DISCHARGE CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

(1A/div)

(2V/div)

(2V/div)

0

50

µs/div

MAX4271/MAX4272

µF)

MAX4271/3-19

ON

0

1A/div

2V/div

2V/div

0

0

200

µs/div

MAX4271/MAX4272

TURN-OFF TIME

µF)

MAX4271/3-20

ON

0.595

0.597

0.601

0.599

0.603

0.605

04

2

6

8

101214

ON COMPARATOR THRESHOLD

vs. INPUT VOLTAGE

RISING

FALLING

0.5950

0.6000

0.5975

0.6050

0.6025

0.6075

0.6100

-40

35

60

-15

10

85

ON-COMPARATOR THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

}

}

2.30

2.40

2.35

2.50

2.45

2.55

2.60

-40

35

60

-15

10

85

UVLO THRESHOLD VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

RISING

FALLING

140

145

150

155

160

UVLO DELAY vs. TEMPERATURE

TEMPERATURE (

°C)

-40

35

60

-15

10

85

MAX4273

TURN-OFF TIME

µF)

MAX4271/3-20a

1A/div

0

ON

2V/div

2V/div

0

20

µs/div

MAX4273

TURN-OFF TIME

µF)

MAX4271/3-20b

2V/div

2V/div

0

1A/div

0

ON

50

µs/div