SMH4812_09 Datasheet, PDF (15/18 Pages) Summit Microelectronics, Inc. – Distributed Power Hot-Swap Controller

SMH4812
Preliminary
0V
0V
10kΩ
10nF
100V
R3
1kΩ
RD
6.8kΩ
1MΩ
+
EN1
–
EN/TS
+
EN2
–
LMV
339
+
EN3
–
+
EN4
–
R2
10kΩ
10kΩ
UV
OV
PD1#
PD2#
FAULT#
SMH4812
PG#
5VREF
MMBTA06LT1
100kΩ
–48V
R1
100nF
50V
RS
20mΩ
100nF
*10Ω
1kΩ
10nF
100V
RT
68kΩ
100nF
50V
MMBD1401
Figure 8. Expanding Input Monitoring Capability
100nF
50V
100µF
100V
2055 Fig08
–48V
SUMMIT MICROELECTRONICS, Inc.
2055 4.1 03/27/09
15