Datasheet

MAX5915/MAX5915A/MAX5916/MAX5916A
Dual PCI 2.2 Hot-Swap Controllers
_______________________________________________________________________________________ 9
Typical Operating Characteristics (continued)
(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_
=
-12VO_ CURRENT FOLDBACK
MAX5915 toc45
2ms/div
I
-12VO_
500mA/div
PGOOD_
5V/div
-12VO_
5V/div
-12VO_ IMMEDIATE
SHORT-CIRCUIT RESPONSE
MAX5915 toc44
200ns/div
I
-12VO_
2A/div
PGOOD_
5V/div
-12VO_
5V/div
+12VO_ CURRENT FOLDBACK
MAX5915 toc43
2ms/div
I
+12VO_
5A/div
PGOOD_
5V/div
+12VO_
5V/div
+12VO_ IMMEDIATE
SHORT-CIRCUIT RESPONSE
MAX5915 toc42
1
µ
s/div
I
+12VO_
10A/div
PGOOD_
5V/div
+12VO_
5V/div
AUXILIARY SUPPLY
FAULT MANAGEMENT
MAX5915 toc41
400ms/div
5VO_
+12VO_
5V/div
3.3VAUXO_
5V/div
PGOOD_
5V/div
400ms/div
MAIN SUPPLY
AUTORESTART FAULT MANAGEMENT
+12VO_
5V/div
5VO_
2V/div
MAX5915 toc40
3.3VAUXO_
5V/div
PGOOD_
5V/div
2ms/div
MAIN SUPPLY
LATCHED FAULT MANAGEMENT
+12VO_
5V/div
5VO_
2V/div
MAX5915 toc39
3.3VAUXO_
5V/div
PGOOD_
5V/div
2µs/div
t
DEG
DELAY TIME
ON_
5V/div
3.3VAUXO_
2V/div
MAX5915 toc38
PGOOD_
5V/div
20ms/div
AUXILIARY SUPPLY
TURN-OFF WAVEFORMS
ON_
5V/div
3.3VAUXO_
2V/div
MAX5915 toc37
PGOOD_
5V/div