Datasheet

MAX5915/MAX5915A/MAX5916/MAX5916A
Dual PCI 2.2 Hot-Swap Controllers
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V
+12VIN
= +12V, V
3.3VAUXIN
= +3.3V, V
-12VIN
= -12V, V
5V
= +5V, V
3.3V
= +3.3V, R
5VSEN_
= 0.005Ω, R
3.3VSEN_
= 0.005Ω, C
3.3VO_
=
MAX5915 toc09
OUTPUT CURRENT (A)
3.3VAUX_ VOLTAGE (V)
1.050.900.60 0.750.30 0.450.15
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
2.5
0 1.20
3.3VAUX_ VOLTAGE
vs. OUTPUT CURRENT
3.3VO_ SENSE RESISTOR VOLTAGE
vs. DIFFERENTIAL SWITCH VOLTAGE
MAX5915 toc08
V
IN
- V
3.3VSEN_
(V)
3.3VO_ CURRENT-LIMIT THRESHOLD (mV)
30
34
32
36
38
42
46
44
48
40
3.02.51.5 2.01.0 3.5
DURING CURRENT LIMIT
FAIRCHILD
FDS6670A
3.3VO_ VOLTAGE
vs. OUTPUT CURRENT
MAX5915 toc07
OUTPUT CURRENT (A)
3.3VO_ VOLTAGE (V)
2
3.18
3.20
3.22
3.28
3.30
3.32
3.16
08
4
6
3.24
3.26
FAIRCHILD
FDS6670A
20
24
22
28
26
30
34
38
36
40
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
5VO_ SENSE RESISTOR VOLTAGE
vs. DIFFERENTIAL SWITCH VOLTAGE
MAX5915 toc06
V
IN
- V
5VSEN_
(V)
5VO_ CURRENT-LIMIT THRESHOLD (mV)
32
DURING CURRENT LIMIT
FAIRCHILD
FDS6670A
5VO_ VOLTAGE
vs. OUTPUT CURRENT
MAX5915 toc05
OUTPUT CURRENT (A)
5VO_ VOLTAGE (V)
1
4.82
4.84
4.86
4.88
4.90
4.92
4.80
05
23
4
4.94
4.96
4.98
5.00
5.02
FAIRCHILD
FDS6670A
-12VO_ CURRENT FOLDBACK
vs. DIFFERENTIAL SWITCH VOLTAGE
MAX5915 toc04
V
-12VIN
- V
-12VO_
(V)
-12VO_ CURRENT FOLDBACK (mA)
2
50
100
150
200
250
0
04
6 8 10 12
-12VO_ VOLTAGE
vs. OUTPUT CURRENT
MAX5915 toc03
OUTPUT CURRENT (mA)
-12VO_ VOLTAGE (V)
50
-12.0
-11.9
-11.8
-11.7
-11.6
-11.5
-12.1
0250
100 150
200
+12VO_ CURRENT FOLDBACK
vs. DIFFERENTIAL SWITCH VOLTAGE
MAX5915 toc02
V
+12VIN
- V
+12VO_
(V)
+12VO_ CURRENT FOLDBACK (A)
2
0.1
0.3
0.5
0.7
0.9
1.1
-0.1
0
4
6
8
10
12
+12VO_ VOLTAGE
vs. OUTPUT CURRENT
MAX5915 toc01
OUTPUT CURRENT (A)
+12VO_ VOLTAGE (V)
1.00.5
11.5
11.6
11.7
11.8
11.9
12.0
12.1
11.4
0 1.5