Typical operating characteristics – Rainbow Electronics MAX5960 User Manual

Page 5

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MAX5959/MAX5960

Quad PCI Express, Hot-Plug Controllers

_______________________________________________________________________________________

5

12V INPUT SUPPLY CURRENT

vs. TEMPERATURE

MAX5959 toc01

TEMPERATURE (

°C)

3.3VAUXIN SUPPLY CURRENT (mA)

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

MAX5959 toc02

TEMPERATURE (

°C)

3.3VAUXIN SUPPLY CURRENT (mA)

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

MAX5959 toc03

TEMPERATURE (

°C)

THRESHOLD VOLTAGE (V)

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

MAX5959 toc04

OUTPUT CURRENT (A)

OUTPUT VOLTAGE (V)

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

MAX5959

MAX5960

12G_ AND 3.3G_ GATE CHARGE

CURRENT vs. TEMPERATURE

MAX5959 toc05

TEMPERATURE (

°C)

GATE CHARGE CURRENT (

μ

A)

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

MAX5959 toc06

TEMPERATURE (

°C)

GATE DISCHARGE CURRENT (

μ

A)

60

35

10

-15

160

165

170

175

180

150

155

-40

85

3.3G_

12G_

3.3VAUX INTERNAL SWITCH

MAXIMUM DROPOUT vs. TEMPERATURE

MAX5959 toc07

TEMPERATURE (

°C)

DROPOUT VOLTAGE (V)

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

I

LOAD

= 550mA

MAX5960

I

LOAD

= 375mA

MAX5959

12V AND 3.3V CURRENT-LIMIT THRESHOLD

VOLTAGE vs. TEMPERATURE

MAX5959 toc08

TEMPERATURE (

°C)

12V AND 3.3V MAIN CURRENT-LIMIT THRESHOLD (mV)

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

MAX5959 toc09

TEMPERATURE (

°C)

AUXILIARY CURRENT (mA)

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

MAX5960

MAX5959

Typical Operating Characteristics

(V

12VIN

= V

12S_+

= 12V, V

3.3S_+

= V

3.3S_-

= V

3.3AUXIN

= V

ON_

= V

AUXON_

= V

FON_

= 3.3V,

PWRGD_ = FAULT_ = PORADJ = TIM =

OUTPUT_ = OPEN, INPUT_ =

PRES-DET_ = PGND = GND. See the Typical Application Circuit.)

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