max5957letnt Maxim Integrated Products, Inc., max5957letnt Datasheet - Page 5

• 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
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
-40
-40
MAXIMUM DROPOUT vs. TEMPERATURE
0
= V
0.1
3.3VAUXO_ OUTPUT VOLTAGE
12V INPUT SUPPLY CURRENT
I
MAX5958
12S_+
3.3VAUX INTERNAL SWITCH
LOAD
-15
-15
0.2
vs. OUTPUT CURRENT
MAX5957
= 550mA
vs. TEMPERATURE
0.3
OUTPUT CURRENT (A)
TEMPERATURE (°C)
TEMPERATURE (°C)
I
MAX5957
= 12V, V
LOAD
0.4
10
10
_______________________________________________________________________________________
= 375mA
Triple PCI Express, Hot-Plug Controllers
0.5
0.6
35
35
3.3S_+
0.7
MAX5958
0.8
60
60
= V
0.9
3.3S_-
1.0
85
85
= V
3.3AUXIN
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
60
50
40
30
20
10
0
0
12V AND 3.3V CURRENT-LIMIT THRESHOLD
-40
-40
-40
= V
12G_ AND 3.3G_ GATE CHARGE
3.3VAUXIN SUPPLY CURRENT
CURRENT vs. TEMPERATURE
VOLTAGE vs. TEMPERATURE
-15
-15
-15
ON_
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
12V CURRENT-LIMIT
THRESHOLD
3.3V CURRENT-LIMIT
THRESHOLD
= V
10
10
10
AUXON_
3.3G_
35
35
35
Typical Operating Characteristics
12G_
= V
60
60
60
FON_
= 3.3V, PWRGD_ = FAULT_ = PORADJ = TIM =
85
85
85
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
0.90
0.80
0.70
0.50
0.40
0.30
0.20
0.10
1.00
0.60
180
175
170
165
160
155
150
ON_ AND AUXON_ LOW-TO-HIGH THRESHOLD
0
-40
-40
-40
12G_ AND 3.3G_ GATE DISCHARGE
VOLTAGE vs. TEMPERATURE
CURRENT vs. TEMPERATURE
AUXILIARY CURRENT LIMIT
-15
-15
-15
AUXON_ THRESHOLD
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
ON_ THRESHOLD
10
10
10
12G_
3.3G_
35
35
35
MAX5958
MAX5957
60
60
60
85
85
85
5