LTC1445 Linear Technology, LTC1445 Datasheet - Page 4

• Manufacturer Part Number: LTC1445
• Description: Ultralow Power Quad Comparators with Reference
• Manufacturer: Linear Technology

LTC1443/LTC1444/LTC1445
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.220
1.212
1.208
1.224
1.216
1.194
1.192
1.190
1.188
1.186
1.184
1.182
1.180
–40
–80
–20
–60
80
60
40
20
0
–60
0
0
LTC1444/LTC1445
Hysteresis Control
LTC1444/LTC1445 Reference
Voltage vs Temperature
LTC1443 Reference Output
Voltage vs Output Load Current
V
V
V
T
+
–40 –20
A
+
–
5
= 5V
= 25 C
= 5V
= GND
10
10
LOAD CURRENT ( A)
TEMPERATURE ( C)
V
15
0
REF
20
– V
20
20
SINK
HYST
40
25
30
(mV)
60
30
LTC1443/44/45 • TPC04
LTC1443/44/45 • TPC01
LTC1443/44/45 • TPC07
W
80 100 120
35 40
40
U
50
45
1.186
1.184
1.182
1.180
1.178
1.176
1.174
1.172
1.170
5.2
5.0
4.8
4.6
4.4
4.2
4.0
4.0
2.0
1.0
5.0
3.0
–60
1.0
LTC1443 Reference Voltage
vs Temperature
Comparator Output Voltage High
vs Load Current
0
Supply Current vs Supply Voltage
T
A
V
V
–40
+
–
= 25 C
= 5V
= GND
10
–20
V
1.5
+
SUPPLY VOLTAGE (V)
= 2V
LOAD CURRENT (mA)
TEMPERATURE ( C)
0
20
V
20
+
V
= 3V
+
2.0
30
40
= 5V
60 80
40
LTC1443/44/45 • TPC02
LTC1443/44/45 • TPC08
2.5
LTC1443/44/45 • TPC05
T
100
A
50
= 25 C
120 140
3.0
60
1.184
1.183
1.182
1.181
1.180
1.179
1.178
5.8
5.4
5.0
4.6
4.2
3.8
3.4
3.0
2.5
2.0
1.0
1.5
0.5
–60
0
0
0
LTC1443 Reference Output
Voltage vs Output Load Current
Comparator Output Voltage Low
vs Load Current
Supply Current vs Temperature
V
V
V
T
T
IN
V
–40
+
0.1
A
A
+
–
–
= 2V
+
= 25 C
= 25 C
= 5V
= GND
= GND (LTC1443)
10
V
V
= (IN
+
–
0.2
–20
= 5V
= –5V
–
20
0.3
LOAD CURRENT (mA)
+ 100mV)
V
V
LOAD CURRENT (mA)
TEMPERATURE ( C)
+
–
0
V
= 5V
= 0V
+
0.4
30
= 3V
20
0.5
40
V
V
SOURCE
40
+
–
0.6
= 3V
= 0V
50
60
LTC1443/44/45 • TPC03
0.7
LTC1443/44/45 • TPC06
LTC1443/44/45 • TPC09
60
V
80 100 120
0.8
+
= 5V
0.9
70
1.0
80