LTC693 LINER [Linear Technology], LTC693 Datasheet - Page 5

• Manufacturer Part Number: LTC693
• Description: Microprocessor Supervisory Circuits
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR
5.00
4.95
4.85
4.80
4.75
4.90
184
232
224
216
208
200
192
–50
0
V
Reset Active Time vs
Temperature
OUT
V
SLOPE = 5
CC
–25
= 5V
vs I
10
OUT
LOAD CURRENT (mA)
0
TEMPERATURE (°C)
1.315V
1.295V
20
25
6
5
4
2
0
3
1
Power Fail Comparator
Response Time
V
T
50
A
CC
0
30
= 25°C
= 5V
20
75
V
V
T
A
CC
BATT
V
LTC692/3 • TPC04
LTC692/3 • TPC01
W
= 25°C
40
PFI
40
= 5V
100
= 2.8V
= 20mV STEP
60
A
TIME (µs)
V
1.3V
U
125
PFI
80
50
CE
100
+
–
PFO
120
C
LTC692/3 • TPC07
2.76
2.74
2.72
4.41
140
2.80
2.78
4.40
4.39
4.38
4.37
4.35
HARA TERISTICS
4.36
–50
30pF
160
0
V
Reset Voltage Threshold
vs Temperature
OUT
SLOPE = 125
180
–25
vs I
100
C
OUT
0
LOAD CURRENT (µA)
TEMPERATURE (°C)
200
25
50
300
1.315V
1.295V
V
V
T
75
A
CC
BATT
= 25°C
LTC692/3 • TPC02
LTC692/3 • TPC05
= 0V
400
6
5
4
2
0
3
1
= 2.8V
100
Power Fail Comparator Response
Time with Pull-Up Resistor
V
T
A
CC
0
= 25°C
= 5V
500
125
2
V
PFI
4
= 20mV STEP
1.305V
1.285V
6
TIME (µs)
1.308
1.300
1.306
1.304
1.302
1.298
1.296
1.294
1.3V
V
PFI
8
6
5
4
2
0
3
1
–50
Power Failure Input Threshold
vs Temperature
Power Fail Comparator
Response Time
10
V
+
–
LTC692/LTC693
CC
0
–25
PFO
12
= 5V
LTC692/3 • TPC08
1
14
5V
V
0
PFI
10k
TEMPERATURE (°C)
2
30pF
16
= 20mV STEP
3
25
TIME (µs)
18
V
1.3V
PFI
4
50
+
–
5
PFO
75
6
LTC692/3 • TPC03
LTC692/3 • TPC06
V
T
A
CC
7
100
= 25°C
= 5V
30pF
8
5
125