Triple PCI Express, Hot-Plug Controllers

_______________________________________________________________________________________

5

12V INPUT SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.92

0.94

0.96

0.98

1.00

1.02

1.04

1.06

1.08

1.10

0.90

-40

85

3.3VAUXIN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0

-40

85

ON_ AND AUXON_ LOW-TO-HIGH THRESHOLD

VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1.25

1.30

1.35

1.40

1.45

1.50

1.55

1.60

1.20

-40

85

ON_ THRESHOLD

AUXON_ THRESHOLD

3.3VAUXO_ OUTPUT VOLTAGE

vs. OUTPUT CURRENT

OUTPUT CURRENT (A)

0.8

0.6

0.4

0.2

0.9

0.7

0.5

0.3

0.1

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

0

1.0

MAX5957

MAX5958

12G_ AND 3.3G_ GATE CHARGE

CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

4.80

4.85

4.90

4.95

5.00

5.05

5.10

5.15

5.20

4.75

-40

85

12G_

3.3G_

12G_ AND 3.3G_ GATE DISCHARGE

CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

160

165

170

175

180

150

155

-40

85

3.3G_

12G_

3.3VAUX INTERNAL SWITCH

MAXIMUM DROPOUT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.20

0

-40

85

MAX5958

MAX5957

12V AND 3.3V CURRENT-LIMIT THRESHOLD

VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

10

20

30

40

50

60

0

-40

85

12V CURRENT-LIMIT

THRESHOLD

3.3V CURRENT-LIMIT

THRESHOLD

AUXILIARY CURRENT LIMIT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.10

0.30

0.20

0.40

0.50

0.60

0.70

0.80

0.90

1.00

0

-40

85

MAX5958

MAX5957

Typical Operating Characteristics

OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the

Typical Application Circuit.)