Datasheet

4
LTC1645
1645fa
GATE Voltage vs Supply Voltage
GATE Voltage vs Temperature
Glitch Filter Time
vs Feedback Transient
RESET, FAULT, COMPOUT Output
Voltage vs Temperature
RESET, FAULT, COMPOUT Output
Voltage vs V
CC1
Fast Pull-Down Current vs V
CC1
HIGHEST V
CC
(V)
2
GATE
n
(V)
15
20
25
10
1645 G04
10
5
0
4
6
8
311
5
7
9
12
T
A
= 25°C
TEMPERATURE (°C)
–40
14.0
GATE
n
(V)
14.2
14.6
14.8
15.0
16.0
15.4
0
40
60
1645 G05
14.4
15.6
15.8
15.2
–20
20
80
100
V
CC1
= 5V
V
CC2
= 3.3V
FEEDBACK TRANSIENT (mV)
0
0
GLITCH FILTER TIME (µs)
10
30
40
50
100
70
80
160
200
1645 G06
20
80
90
60
40
120
240
280
T
A
= 25°C
TEMPERATURE (°C)
–40
0
OUTPUT VOLTAGE (mV)
50
150
200
250
40 60 80
450
1645 G07
100
–20 0 20 100
300
350
400
V
CC1
= 5V
SINK CURRENT = 3mA
SINK CURRENT = 1.6mA
V
CC1
(V)
2
OUTPUT VOLTAGE (mV)
800
700
600
500
400
300
200
100
0
10
1645 G08
468 129357 11
T
A
= 25°C
SINK CURRENT = 3mA
SINK CURRENT = 1.6mA
V
CC1
(V)
23 5 9 11
FAST PULL-DOWN CURRENT (mA)
14
16
18
10
1645 G09
12
10
13
15
17
11
9
8
4
6
8
7
12
T
A
= 25°C
V
CC2
= 1.5V
TYPICAL PERFOR A CE CHARACTERISTICS
UW