SMH4812_09 Datasheet, PDF (13/18 Pages) Summit Microelectronics, Inc. – Distributed Power Hot-Swap Controller

APPLICATIONS CIRCUITS
SMH4812
Preliminary
0V
0V
10nF
100V
RD
6.8kΩ
–48V
R3
R2
10kΩ
10kΩ
EN/TS
UV
OV
PD1#
PD2#
FAULT#
SMH4812
PG#
5VREF
MMBTA-
06LT1
MMBD-
1401
47kΩ
R1
100nF
50V
RS
20mΩ
100nF
*10Ω
1kΩ
10nF
100V
RT
68kΩ
MMBD1401
100nF
50V
Figure 6. Changing Polarity of Power Good Output (PG#)
100µF
100V
–48V
2055 Fig06
Note: Figures 6 through 9 — the *10Ω resistor must be located as close as possible to the MOSFET
SUMMIT MICROELECTRONICS, Inc.
2055 4.1 03/27/09
13