Typical operating characteristics (continued) – Rainbow Electronics MAX5960 User Manual
Page 7
MAX5959/MAX5960
Quad PCI Express, Hot-Plug Controllers
_______________________________________________________________________________________
7
FAULT CONDITION ON 3.3V MAIN OUTPUT
(AUTORESTART OPTION)
MAX5959 toc17
3.3G_
10V/div
FAULT_
5V/div
3.3V MAIN OUTPUT CURRENT
2A/div
100ms/div
3.3V OUTPUT VOLTAGE
5V/div
t
RESTART
R
LOAD
STEP TO 0.5
Ω
0A
0V
0V
0V
FAULT CONDITION ON AUXILIARY OUTPUT
(AUTORESTART OPTION)
MAX5959 toc18
FAULT_
2V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
100ms/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
t
RESTART
R
LOAD
STEP TO 4
Ω
0A
0V
0V
FAULT CONDITION ON 12V MAIN OUTPUT
(LATCH-OFF OPTION)
MAX5959 toc19
12G_
20V/div
FAULT_
5V/div
12V OUTPUT CURRENT
5A/div
100ms/div
12V OUTPUT VOLTAGE
10V/div
R
LOAD
STEP TO 1.5
Ω
FAULT CONDITION ON 12V OUTPUT
MAX5959 toc20
12G_
20V/div
FAULT_
5V/div
12V OUTPUT CURRENT
5A/div
4ms/div
12V OUTPUT VOLTAGE
10V/div
R
LOAD
STEP
TO 1.5
Ω
t
FAULT
FAULT CONDITION ON 3.3V MAIN OUTPUT
(LATCH-OFF OPTION)
MAX5959 toc21
3.3G_
10V/div
FAULT_
5V/div
3.3V OUTPUT CURRENT
2A/div
40ms/div
3.3V OUTPUT VOLTAGE
5V/div
R
LOAD
STEP TO 0.5
Ω
FAULT CONDITION ON 3.3V MAIN OUTPUT
MAX5959 toc22
3.3G_
10V/div
FAULT_
5V/div
3.3V OUTPUT CURRENT
2A/div
4ms/div
3.3V OUTPUT VOLTAGE
5V/div
R
LOAD
STEP TO 0.5
Ω
t
FAULT
Typical Operating Characteristics (continued)
(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.)