SMH4042 Datasheet, PDF (21/28 Pages) Summit Microelectronics, Inc. – Hot Swap™ Controller

CompactPCI Applications Aid
SMH4042
DRVREN#
+12V
+5V
eP
-12V
1N4148
+12V to Backend Logic
0.1µF
330KΩ 10Ω
0.33µF
4.7KΩ
1N4148
-12V to Backend Logic
0.1µF
330KΩ _10Ω
0.33µF
4.7KΩ
2037 ILL31.0
Figure 10. Using DRVREN# to switch + and -12V to the backend logic
2037-07 9/23/99
21