max5957letnt Maxim Integrated Products, Inc., max5957letnt Datasheet - Page 8

• Manufacturer Part Number: max5957letnt
• Description: Triple Pci Express, Hot-plug Controllers
• Manufacturer: Maxim Integrated Products, Inc.

Triple PCI Express, Hot-Plug Controllers
(V
OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .)
8
12VIN
_______________________________________________________________________________________
= V
12S_+
FAULT CONDITION ON AUXILIARY OUTPUT
SHORT CIRCUIT ON 3.3V MAIN OUTPUT
SHORT CIRCUIT ON 12V MAIN OUTPUT
= 12V, V
(LATCHOFF OPTION)
3.3S_+
R
100ms/div
LOAD
2ms/div
2ms/div
= V
STEP TO 3.5Ω
3.3S_-
MAX5958
= V
MAX5957 toc25
MAX5957 toc27
MAX5957 toc23
3.3AUXIN
Typical Operating Characteristics (continued)
12V OUTPUT CURRENT
5A/div
12G_
20V/div
12V OUTPUT VOLTAGE
10V/div
FAULT_
5V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
FAULT_
2V/div
3.3V OUTPUT CURRENT
2A/div
3.3G_
5V/div
3.3V OUTPUT VOLTAGE
5V/div
FAULT_
5V/div
= V
ON_
= V
AUXON_
= V
0V
0V
0V
FON_
FAULT CONDITION ON AUXILIARY OUTPUT
SHORT CIRCUIT ON 3.3V MAIN OUTPUT
SHORT CIRCUIT ON 12V MAIN OUTPUT
STEP TO 3Ω
= 3.3V, PWRGD_ = FAULT_ = PORADJ = TIM =
R
LOAD
t
FAULT
10ms/div
4µs/div
2µs/div
MAX5958
MAX5957 toc26
MAX5957 toc24
MAX5957 toc28
12V OUTPUT CURRENT
10A/div
12G_
20V/div
12V OUTPUT VOLTAGE
10V/div
FAULT_
5V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
FAULT_
2V/div
3.3V OUTPUT CURRENT
10A/div
3.3G_
5V/div
3.3V OUTPUT VOLTAGE
5V/div
FAULT_
5V/div
0V