SMH4811A
Preliminary
APPLICATIONS CIRCUITS
0V
0V
10nF
100V
R
6.8kΩ
D
R3
R2
MMBTA06LT1
UV
PG#
OV
1N4148
SMH4811A
10kΩ
10kΩ
PD1#
PD2#
FAULT#
47kΩ
5V
REF
R1
100nF
50V
100nF
100nF
50V
R
68kΩ
100µF
100V
T
1kΩ
*10Ω
10nF
100V
R
20mΩ
S
MMBD1401
–48V
–48V
2044 Fig05
Figure 5. Changing Polarity of Power Good Output
0V
0V
10nF
100V
R
6.8kΩ
R3
D
NTC
50kΩ
@T
MAX
1kΩ
1MΩ
+
EN/TS
UV
–
LMV331
MMBTA06LT1
PG#
R2
100kΩ
OV
10kΩ
SMH4811A
PD1#
PD2#
FAULT#
10kΩ
5V
REF
50kΩ
R1
100nF
50V
100nF
50V
100µF
100V
100nF
R
68kΩ
T
1kΩ
100nF
50V
*10Ω
10nF
100V
R
20mΩ
S
MMBD1401
–48V
–48V
2044 Fig06
Figure 6. Overtemperature Shutdown
SUMMIT MICROELECTRONICS, Inc.
2044 6.1 2/8/01
12
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
