Rainbow-electronics MAX5960 Manual de usuario descargar pdf (Pagina 6)

MAX5959/MAX5960

Quad PCI Express, Hot-Plug Controllers

6 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

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

12V UNDERVOLTAGE LOCKOUT

THRESHOLD vs. TEMPERATURE

MAX5959 toc10

TEMPERATURE (°C)

UVLO THRESHOLD (V)

6035-15 10

9.85

9.90

9.95

10.00

10.05

10.10

10.15

10.20

9.80

-40 85

3.3VAUXON UNDERVOLTAGE LOCKOUT

THRESHOLD vs. TEMPERATURE

MAX5959 toc11

TEMPERATURE (°C)

UVLO THRESHOLD (V)

603510-15

2.54

2.58

2.62

2.66

2.70

2.52

2.56

2.60

2.64

2.68

2.50

-40 85

12V TURN-ON/OFF TIME

MAX5959 toc12

40ms/div

12V OUTPUT

VOLTAGE

12G_

ON_

PWRGD_

10V/div

20V/div

5V/div

3.3V TURN-ON/OFF TIME

MAX5959 toc13

40ms/div

3.3V OUTPUT

5V/div

3.3G_

10V/div

ON_

5V/div

PWRGD_

5V/div

3.3V AUXILIARY TURN-ON/OFF TIME

MAX5959 toc14

40ms/div

3.3AUXO_OUTPUT

VOLTAGE

2V/div

AUXON_

2V/div

PWRGD_

2V/div

TURN-ON DELAY 3.3V OUTPUT AND

3.3V AUXILIARY OUTPUT

MAX5959 toc15

4ms/div

5V/div

10V/div

3.3VAUXO_

OUTPUT VOLTAGE

3.3 OUTPUT VOLTAGE

3.3 INPUT,

3.3VAUXIN

3.3G_

PWRGD

FAULT CONDITION ON 12V MAIN OUTPUT

(AUTORESTART OPTION)

MAX5959 toc16

12G_

20V/div

FAULT_

5V/div

12V OUTPUT CURRENT

5A/div

100ms/div

12V OUTPUT VOLTAGE

10V/div

RESTART

LOAD

STEP TO 1.5Ω

1 2 3 4 5 6 7 8 9 10 11 ... 24 25

MAX5959/MAX5960 1

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Rainbow-electronics MAX5960 Manual de usuario Pagina 6

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