LTC1440 LINER [Linear Technology], LTC1440 Datasheet - Page 5

• Manufacturer Part Number: LTC1440
• Description: Ultralow Power Single/Dual Comparator with Reference
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
2
5
4
3
1
0
Comparator Output Voltage High
vs Load Current
10
V
+
= 2V
LOAD CURRENT (mA)
20
1.200
1.195
1.190
1.185
1.180
1.175
1.170
V
+
V
= 3V
6
5
4
3
2
1
–60
+
30
LTC1440
Supply Current vs Temperature
= 5V
0
Reference Output Voltage vs
Output Load Current (Sink)
–40
40
5
–20
OUTPUT LOAD CURRENT ( A)
T
W
A
TEMPERATURE ( C)
0
50
10
= 25 C
1440/1/2 G07
20 40
U
SINK
V
60
15
CC
V
V
V
+
–
V
–
= 2V
= 5V
= GND = 0V
60
+
= –5V
= 5V
20
V
V
80
+
–
V
CC
= 3V
= GND = 0V
100
2.5
2.0
1.0
1.5
0.5
= 5V
25
0
1440/1/2 G12
1440/1/2 G10
0
120
Comparator Output Voltage Low
vs Load Current
T
A
140
= 25 C
V
30
10
+
= 2V
20
LOAD CURRENT (mA)
30
V
+
= 3V
40
50
V
60
1.190
1.185
1.180
1.175
1.170
1.165
1.160
1.155
1.186
1.184
1.182
1.180
1.178
1.176
1.174
1.172
1.170
+
LTC1440/LTC1441/LTC1442
= 5V
1440/1/2 G08
–60
70
Reference Output Voltage vs
Output Load Current
0
Reference Voltage vs
Temperature
V
–40
CC
80
0.5
= 5V
–20
OUTPUT LOAD CURRENT (mA)
1.0
0
TEMPERATURE ( C)
–20
–40
–60
–80
20 40
1.5
80
60
40
20
0
0
LTC1440/LTC1442
Hysteresis Control
2.0
60
10
80
2.5
SOURCE
100
V
1440/1/2 G11
REF
3.0
1440/1/2 G13
120
20
– V
OUTPUT HIGH
OUTPUT LOW
140
HYST
3.5
30
(mV)
40
1440/1/2 G09
5
50