Datasheet

4
LTC1536
1536fa
TYPICAL PERFORMANCE CHARACTERISTICS
UW
V
CCA
Input Current
vs Input Voltage
TEMPERATURE (°C)
–45
0
I
VCC3
(µA)
20
40
60
80
140
120
–5
35
55
1536 G01
100
–25
15
75
I
VCC3
vs Temperature
INPUT VOLTAGE (V)
0.8
–3
INPUT CURRENT (nA)
–2
–1
0
1
0.9 1.0
1.1
1.2
1536 G03
2
3
0.85 0.95
1.05
1.15
T
A
= 25°C
TEMPERATURE (°C)
–45
0
I
VCC5
(µA)
2.5
5.0
7.5
10.0
20.0
15.0
–5
35
55
1536 G02
17.5
12.5
–25
15
75
I
VCC5
vs Temperature
TEMPERATURE (°C)
–60
V
CC5
THRESHOLD VOLTAGE, V
RT5
(V)
4.750
4.745
4.740
4.735
4.730
4.725
4.720
4.715
4.710
4.705
4.700
–20
20
40
1536 G04
–40 0
60
80
100
V
CC5
Threshold Voltage
vs Temperature
V
CCA
Threshold Voltage
vs Temperature
TEMPERATURE (°C)
–60
V
CCA
THRESHOLD VOLTAGE, V
RTA
(V)
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
–20
20
40
1536 G06
–40 0
60
80
100
V
CC3
Threshold Voltage
vs Temperature
TEMPERATURE (°C)
–60
V
CC3
THRESHOLD VOLTAGE, V
RT3
(V)
60
1536 G05
–20 20
–40 80
0 40 100
3.010
3.005
3.000
2.995
2.990
2.985
2.980
2.975
2.970
2.965
2.960
PBR Assertion Time to Reset
vs Temperature
Reset Pulse Width
vs Temperature
TEMPERATURE (°C)
–50
210
215
220
25 75
1536 G07
205
200
–25 0
50 100
195
190
RESET PULSE WIDTH, t
RST
(ms)
225
“Soft” Reset Pulse Width
vs Temperature
TEMPERATURE (°C)
–50
105.0
107.5
110.0
25 75
1536 G08
102.5
100.0
–25 0
50 100
97.5
95.0
SOFT RESET PULSE WIDTH, t
SRST
(µs)
112.5
TEMPERATURE (°C)
–50
2.10
2.15
2.20
25 75
1536 G09
2.05
2.00
–25 0
50 100
1.95
1.90
PBR ASSERTION TIME TO RESET, t
PB
(SEC)
2.25