MAX5954 Maxim Integrated Products, MAX5954 Datasheet - Page 9

• Manufacturer Part Number: MAX5954
• Description: Hot-Plug Controller
• Manufacturer: Maxim Integrated Products

Single PCI Express, Hot-Plug
Controller
(V
FAULT = 10kΩ to 3.3VAUXIN, PWRGDA = 10kΩ to 3.3VAUXO, T
Circuit.)
12VIN
= V
12S+
= 12V, V
SHORT CIRCUIT ON 3.3V OUTPUT
SHORT CIRCUIT ON 12V OUTPUT
SHORT CIRCUIT ON 3.3VAUXO_
_______________________________________________________________________________________
3.3VAUXIN
4µs/div
2µs/div
2µs/div
= V
3.3S+
MAX5954 toc28
MAX5954 toc30
MAX5954 toc32
= V
Typical Operating Characteristics (continued)
12V OUTPUT CURRENT
25A/div
12G
20V/div
0V
12V OUTPUT VOLTAGE
10V/div
FAULT
5V/div
3.3V OUTPUT CURRENT
10A/div
3.3G
5V/div
3.3V OUTPUT VOLTAGE
5V/div
FAULT
5V/div
3.3VAUXO OUTPUT CURRENT
5A/div
3.3VAUXO OUTPUT VOLTAGE
2V/div
FAULT
5V/div
0V
0V
0V
ON
= V
AUXON
= V
A
INPUT
= +25°C, unless otherwise noted, see the Typical Application
= 3.3V, PRES-DET = GND, FON = PORADJ = TIM = float,
SHORT CIRCUIT ON 3.3V OUTPUT
SHORT CIRCUIT ON 3.3AUXO_
POWER-UP INTO FAULT
(AUXILIARY SUPPLY)
2ms/div
2ms/div
4ms/div
t
SU
R
LOAD
MAX5954 toc29
MAX5954 toc31
MAX5954 toc33
= 4Ω
3.3V OUTPUT CURRENT
2A/div
3.3G
5V/div
3.3V OUTPUT VOLTAGE
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
9