Datasheet

LTC4440
4
4440fa
For more information www.linear.com/LTC4440
Typical perForMance characTerisTics
2MHz Operation
V
CC
Supply Current (V
CC
= 12V)
vs Temperature
V
CC
Undervoltage Lockout
Thresholds vs Temperature
Boost Supply Current
vs Temperature
Boost Supply (BOOST – TS)
Undervoltage Lockout Thresholds
vs Temperature
Input Threshold vs Temperature
Output High Voltage (V
OH
)
vs Supply Voltage
Input Thresholds (INP)
vs Supply Voltage
V
CC
Supply Current
at TTL Input Levels
BOOST – TS SUPPLY VOLTAGE (V)
8
OUTPUT VOLTAGE (TG –TS) (V)
14
11
4440 G04
11
9
9 10 12
8
7
15
13
12
10
13 14
15
I
TG
= –100mA
I
TG
= –1mA
I
TG
= –10mA
T
A
= 25°C
TEMPERATURE (°C)
–60
CURRENT (µA)
500
400
450
350
300
250
200
150
100
50
12090
4440 G10
0
–30
300 60
INP = 0V
INP = 12V
V
CC
SUPPLY VOLTAGE (V)
7
0.8
INPUT THRESHOLD (V)
1.0
1.2
1.4
1.6
1.8
2.0
9 11 13
15
4440 G05
V
IL
(INPUT LOW THRESHOLD)
V
IH
(INPUT HIGH THRESHOLD)
T
A
= 25°C
TEMPERATURE (°C)
–60
CURRENT (µA)
200
250
300
12090
4440 G08
150
100
0
–30
300 60
50
INP = 0V
INP = 12V
TEMPERATURE (°C)
–60
BOOST – TS SUPPLY VOLTAGE (V)
7.6
7.5
7.4
7.3
7.2
7.1
7.0
6.9
6.8
12090
4440 G11
6.7
–30
300 60
FALLING THRESHOLD
RISING THRESHOLD
V
CC
SUPPLY VOLTAGE (V)
8
V
CC
SUPPLY QUIESCENT CURRENT (µA)
300
320
340
4440 G06
280
260
200
10
12
14
240
220
380
INP = 2V
INP = 0.8V
360
T
A
= 25°C
TEMPERATURE (°C)
–60
V
CC
SUPPLY VOLTAGE (V)
6.45
6.40
6.55
6.50
6.35
6.30
6.25
6.20
6.15
12090
4440 G09
–30
300 60
FALLING THRESHOLD
RISING THRESHOLD
TEMPERATURE (°C)
–60
INPUT THRESHOLD (V)
1.6
1.8
2.0
12090
4440 G12
1.4
1.2
0.8
–30
300 60
1.0
V
IH
(V
CC
= 15V)
V
IL
(V
CC
= 15V)
V
IH
(V
CC
= 8V)
V
IL
(V
CC
= 8V)
V
IH
(V
CC
= 12V)
V
IL
(V
CC
= 12V)
250ns/DIVV
CC
= 12V
INPUT
(INP)
5V/DIV
OUTPUT
(TG)
5V/DIV
4440 G07