Datasheet

LTC2910
5
2910fc
SUPPLY VOLTAGE, V
CC
(V)
0
RST VOLTAGE (V)
3
4
5
4
2910 G09
2
1
0
123
5
Vn = 0.55V
SEL = V
CC
TEMPERATURE (°C)
–50
6
RST/RST TIMEOUT PERIOD, t
RST
(ms)
7
8
9
10
12
–25 0 25 50
2910 G07
75 100
11
C
TMR
= 1nF
SUPPLY VOLTAGE, V
CC
(V)
0
RST VOLTAGE (V)
0.4
0.6
0.8
2910 G08
0.2
0
0.2 0.4 0.6
1.0
0.8
V
CC
RST WITH
10k PULL-UP
RST WITHOUT
10k PULL-UP
I
CC
(mA)
–2 0
6.25
V
CC
(V)
6.45
6.75
268
2910 G04
6.35
6.65
6.55
41012
25°C
–40°C
85°C
TEMPERATURE (°C)
–50
0.995
REFERENCE VOLTAGE, V
REF
(V)
0.997
0.999
1.001
–25 0 25 50
2910 G05
75
1.003
1.005
0.996
0.998
1.000
1.002
1.004
100
COMPARATOR OVERDRIVE PAST THRESHOLD (%)
0.1
400
TYPICAL TRANSIENT DURATION (μs)
500
600
700
1 10 100
2910 G06
300
200
100
0
V
CC
= 6V
RESET OCCURS
ABOVE CURVE
V
CC
= 2.3V
TEMPERATURE (°C)
–50
0.495
THRESHOLD VOLTAGE, V
RT
(V)
0.497
0.499
0.501
–25 0 25 50
2910 G01
75
0.503
0.505
0.496
0.498
0.500
0.502
0.504
100
TEMPERATURE (°C)
–50 50 75–25 25
I
CC
(μA)
40
35
50
45
0
2910 G02
100
65
60
55
V
CC
= 5V
V
CC
= 3.3V
V
CC
= 2.3V
TEMPERATURE (°C)
–50
6.2
V
CC
(V)
6.3
6.4
6.5
6.6
6.8
–25 0 25 50
2910 G03
75 100
6.7
200μA
1mA
2mA
5mA
10mA
TYPICAL PERFORMANCE CHARACTERISTICS
Input Threshold Voltage vs
Temperature Supply Current vs Temperature
V
CC
Shunt Voltage vs
Temperature
V
CC
Shunt Voltage vs I
CC
Buffered Reference Voltage vs
Temperature
Transient Duration vs Comparator
Overdrive
Reset Time-Out Period vs
Temperature RST Output Voltage vs V
CC
RST Output Voltage vs V
CC
Specifi cations are at T
A
= 25°C and V
CC
= 3.3V
unless otherwise noted. (Note 2)