Datasheet

LTC2995
17
2995f
±10% Voltage Monitor (1.8V and 2.5V) and Internal/Remote Overtemperature Monitor
TYPICAL APPLICATIONS
±20% Voltage Monitor (12V and 5V) and 0°C to 70°C Internal UT/OT Monitoring with Common
Temperature and Powergood LED
POWER
SUPPLIES
TEMPERATURE AND
POWER GOOD LED
VH1
VL1
VH2
VL2
D
+
D
–
LTC2995
442k
113k
12V
5V
41.2k
2995 TA03
VT1VT2
43k 28k 110k
OT T > 70°C
UT T < 0°C
+20%
–20%
GND TMRV
REF
4.12k
2.15k
21.5k
V
PTAT
TO2
TO1
OV
UV
V
CC
PS
DS
0.1µF
2.15k
VH1
VL1
VH2
VL2
D
+
D
–
LTC2995
194k
124k
2.5V
1.8V
45.3k
2995 TA02
VT1VT2
20k 20k 140k
OT T > 125°C FOR EXTERNAL SENSOR
MMBT390
OT T > 75°C FOR INTERNAL SENSOR
+10%
–10%
GND TMRV
REF
45.3k
10.2k
10.2k
V
PTAT
TO2
TO1
OV
UV
V
CC
PS
DS
5nF
470pF
0.1µF
POWER
SUPPLIES