LTC2912 Linear Technology, LTC2912 Datasheet - Page 4

• Manufacturer Part Number: LTC2912
• Description: Single UV/OV Voltage Monitor
• Manufacturer: Linear Technology

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LTC2912
TIMING DIAGRAMS
TYPICAL PERFORMANCE CHARACTERISTICS
4
0.505
0.504
0.503
0.502
0.501
0.500
0.499
0.498
0.497
0.496
0.495
6.75
6.65
6.55
6.45
6.35
6.25
–50
–2
Input Threshold Voltage
vs Temperature
V
–40°C
25°C
VH Monitor Timing (TMR Pin Strapped to V
CC
VH
UV
VH
UV
Shunt Voltage vs I
0
–25
85°C
V
V
UOT
UOT
1V
1V
2
TEMPERATURE (°C)
0
I
4
CC
VH Monitor Timing
25
(mA)
t
t
UOD
UOD
6
50
CC
8
75
10
t
UOD
2912 G01
2912 G04
t
UOTO
100
12
700
600
500
400
300
200
100
45
40
35
30
25
20
15
50
2912 TD03
2912 TD01
COMPARATOR OVERDRIVE PAST THRESHOLD (%)
–50
0.1
CC
Typical Transient Duration vs
Comparator Overdrive
Supply Current vs Temperature
)
V
CC
–25
= 2.3V
V
CC
TEMPERATURE (°C)
0
1
= 5V
V
V
CC
CC
25
= 2.3V
= 6V
RESET OCCURS
V
ABOVE CURVE
CC
= 3.3V
50
10
VL Monitor Timing (TMR Pin Strapped to V
OV
VL
OV
VL
75
2912 G02
2912 G05
V
V
UOT
100
100
UOT
1V
1V
VL Monitor Timing
t
t
UOD
UOD
6.8
6.7
6.3
6.2
6.6
6.5
6.4
0.8
0.6
0.4
0.2
0
–50
0
V
vs Temperature
UV Output Voltage vs V
CC
Shunt Voltage
–25
0.2
SUPPLY VOLTAGE, V
t
UV WITHOUT
UOD
t
TEMPERATURE (°C)
PULL-UP
UOTO
0
0.4
25
V
CC
0.6
10mA
200μA
5mA
2mA
1mA
50
2912 TD04
2912 TD02
CC
UV WITH
10k PULL-UP
CC
CC
(V)
)
0.8
75
2912 G03
2912 G06
2912fa
100
1