MAX5954LETX+T Maxim Integrated Products, MAX5954LETX+T Datasheet - Page 6

• Manufacturer Part Number: MAX5954LETX+T
• Description: IC PCI EXP/HOT-PLUG CTRLR 36TQFN
• Manufacturer: Maxim Integrated Products
• Type: Hot-Swap Controllerr

Specifications of MAX5954LETX+T

• Applications: General Purpose, PCI Express
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 12V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-WFQFN Exposed Pad
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Single PCI Express, Hot-Plug
Controller
6
(V
FAULT = 10kΩ to 3.3VAUXIN, PWRGD = 10kΩ to 3.3VAUXO, T
Circuit.)
12VIN
_______________________________________________________________________________________
= V
10.20
10.15
10.10
10.05
10.00
9.95
9.90
9.85
9.80
12S+
-40
3.3V AUXILIARY TURN-ON/OFF TIME
= 12V, V
12VIN UNDERVOLTAGE-LOCKOUT
THRESHOLD vs. TEMPERATURE
-15
12V TURN-ON/OFF TIME
TEMPERATURE (°C)
3.3VAUXIN
10
40ms/div
40ms/div
35
= V
3.3S+
60
MAX5954 toc14
MAX5954 toc12
= V
85
3.3AUXO
OUTPUT VOLTAGE
2V/div
PWRGD
2V/div
AUXON
2V/div
Typical Operating Characteristics (continued)
12V OUTPUT
10V/div
12G
20V/div
ON
5V/div
PWRGD
5V/div
ON
= V
AUXON
= V
A
INPUT
= +25°C, unless otherwise noted, see the Typical Application
2.70
2.68
2.66
2.64
2.62
2.60
= 3.3V, PRES-DET = GND, FON = PORADJ = TIM = float,
-40
3.3VAUXIN UNDERVOLTAGE-LOCKOUT
THRESHOLD vs. TEMPERATURE
-15
3.3V TURN-ON/OFF TIME
TEMPERATURE (°C)
12V POWER-UP
10
40ms/div
40ms/div
35
60
MAX5954 toc13
MAX5954 toc15
85
3.3V OUTPUT
5V/div
3.3G
10V/div
ON
5V/div
PWRGD
5V/div
12G
20V/div
12V OUTPUT
10V/div
12VIN, 12V INPUT
10V/div
PWRGD
5V/div