LTC4440IMS8E データシートの表示（PDF） - Linear Technology
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LTC4440IMS8E Datasheet PDF : 12 Pages
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LTC4440
TYPICAL PERFOR A CE CHARACTERISTICS
Output High Voltage (VOH)
vs Supply Voltage
15
TA = 25°C
14
13
ITG = –1mA
12
ITG = –10mA
11
ITG = –100mA
10
9
8
7
8 9 10 11 12 13 14 15
BOOST – TS SUPPLY VOLTAGE (V)
4440 G04
2MHz Operation
INPUT
(INP)
5V/DIV
OUTPUT
(TG)
5V/DIV
VCC = 12V
250ns/DIV
4440 G07
Boost Supply Current
vs Temperature
500
INP = 12V
450
400
350
300
250
200
150
INP = 0V
100
50
0
–60 –30 0
30 60 90 120
TEMPERATURE (°C)
4440 G10
4
Input Thresholds (INP)
vs Supply Voltage
2.0
TA = 25°C
1.8
VIH
(INPUT HIGH THRESHOLD)
1.6
1.4
VIL
(INPUT LOW THRESHOLD)
1.2
1.0
0.8
7
9
11
13
VCC SUPPLY VOLTAGE (V)
15
4440 G05
VCC Supply Current (VCC = 12V)
vs Temperature
300
INP = 0V
250
INP = 12V
200
150
100
50
0
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G08
Boost Supply (BOOST – TS)
Undervoltage Lockout Thresholds
vs Temperature
7.6
7.5
RISING THRESHOLD
7.4
7.3
7.2
7.1
7.0
FALLING THRESHOLD
6.9
6.8
6.7
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G11
VCC Supply Current
at TTL Input Levels
380
TA = 25°C
360
340
INP = 2V
320
300
280
INP = 0.8V
260
240
220
200
8
10
12
VCC SUPPLY VOLTAGE (V)
14
4440 G06
VCC Undervoltage Lockout
Thresholds vs Temperature
6.55
6.50
6.45
RISING THRESHOLD
6.40
6.35
6.30
6.25
FALLING THRESHOLD
6.20
6.15
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G09
Input Threshold vs Temperature
2.0
1.8
VIH (VCC = 12V)
1.6 VIH (VCC = 8V)
VIH (VCC = 15V)
1.4
VIL (VCC = 12V)
VIL (VCC = 15V)
1.2 VIL (VCC = 8V)
1.0
0.8
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G12
4440f
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