MAX5954 Maxim Integrated Products, MAX5954 Datasheet - Page 5

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

Single PCI Express, Hot-Plug
Controller
(V
FAULT = 10kΩ to 3.3VAUXIN, PWRGD = 10kΩ to 3.3VAUXO, T
Circuit.)
12VIN
0.505
0.504
0.503
0.502
0.501
0.500
0.499
0.498
0.497
0.496
0.495
0.494
0.493
0.492
0.491
0.490
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
3.3VAUXO OUTPUT VOLTAGE vs. CURRENT
-40
-40
MAXIMUM DROPOUT vs. TEMPERATURE
0
= V
AUXILIARY OUTPUT CURRENT = 375mA
12VIN INPUT SUPPLY CURRENT
12S+
0.1
3.3VAUX INTERNAL SWITCH
-15
-15
vs. TEMPERATURE
OUTPUT CURRENT (A)
= 12V, V
TEMPERATURE (°C)
0.2
TEMPERATURE (°C)
10
10
_______________________________________________________________________________________
0.3
3.3VAUXIN
35
35
0.4
60
60
0.5
= V
0.6
3.3S+
85
85
= V
ON
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
60
50
40
30
20
10
0
0
12V AND 3.3V CURRENT-LIMIT THRESHOLD
-40
-40
-40
= V
AUXON
3.3VAUXIN SUPPLY CURRENT
VOLTAGE vs. TEMPERATURE
12G AND 3.3G GATE CHARGE
CURRENT vs. TEMPERATURE
-15
-15
-15
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
12G
3.3V CURRENT-SENSE
THRESHOLD
12V CURRENT-SENSE
THRESHOLD
= V
10
10
10
A
INPUT
3.3G
= +25°C, unless otherwise noted, see the Typical Application
Typical Operating Characteristics
35
35
35
= 3.3V, PRES-DET = GND, FON = PORADJ = TIM = float,
60
60
60
85
85
85
0.500
0.495
0.490
0.485
0.480
0.475
0.470
0.465
0.460
0.455
0.450
170
165
160
155
150
145
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
ON AND AUXON LOW-TO-HIGH THRESHOLD
-40
-40
-40
12G AND 3.3G GATE DISCHARGE
VOLTAGE vs. TEMPERATURE
CURRENT vs. TEMPERATURE
AUXILIARY CURRENT LIMIT
-15
-15
-15
vs. TEMPERATURE
TEMPERATURE (°C)
12G
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
10
3.3G
35
35
35
60
60
60
85
85
85
5