max5957letnt Maxim Integrated Products, Inc., max5957letnt Datasheet - Page 9

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

(V
OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .)
12VIN
= V
12S_+
MAX5958
MAX5958
3.3AUXO_ AUXILIARY OUTPUT
POWER-UP INTO FAULT
POWER-UP INTO FAULT
= 12V, V
(AUXILIARY SUPPLY)
(12V MAIN OUTPUT)
SHORT CIRCUIT ON
_______________________________________________________________________________________
Triple PCI Express, Hot-Plug Controllers
t
SU
t
SU
4ms/div
2ms/div
4ms/div
3.3S_+
= V
R
LOAD
3.3S_-
MAX5957 toc33
MAX5957 toc29
MAX5957 toc31
= 3Ω
= V
12V OUTPUT CURRENT
5A/div
12V OUTPUT VOLTAGE
10V/div
ON_, AUXON_
5V/div
FAULT_
5V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
FAULT_
5V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
AUXON_
5V/div
FAULT_
5V/div
12G_
10V/div
3.3AUXIN
Typical Operating Characteristics (continued)
= V
ON_
= V
AUXON_
10V/div
5V/div
5V/div
5A/div
5V/div
5V/div
2V/div
5V/div
5V/div
= V
PRESENT-DETECT (ON/OFF) OPERATION
MAX5958
POWER-UP INTO FAULT (3.3V MAIN)
FON_
SHORT CIRCUIT ON 3.3VAUXO_
= 3.3V, PWRGD_ = FAULT_ = PORADJ = TIM =
AUXILIARY OUTPUT
40ms/div
4µs/div
4ms/div
MAX5957 toc34
MAX5957 toc30
MAX5957 toc32
12V OUTPUT
VOLTAGE
3.3VAUXO_
OUTPUT VOLTAGE
PWRGD_
PRES-DET_
3.3V OUTPUT
CURRENT
3.3G_
3.3V OUTPUT
VOLTAGE
ON_, AUXON_
FAULT_
3.3VAUXO_ OUTPUT CURRENT
5A/div
0A
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
0A
FAULT_
5V/div
9