LTC4440AI-5 查看數據表（PDF） - Linear Technology
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LTC4440AI-5 Datasheet PDF : 12 Pages
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LTC4440A-5
Typical Performance Characteristics
VCC Supply Quiescent Current
vs Voltage
350
300
250
INP = GND
200
INP = VCC
150
100
50
0
0
5
10
15
VCC SUPPLY VOLTAGE (V)
4440A5 G01
BOOST-TS Supply Quiescent
Current vs Voltage
400 INP = VCC
350
300
250
200
150
100
50
0
0
5
10
15
BOOST-TS SUPPLY VOLTAGE (V)
4440A5 G02
Output Low Voltage (VOL)
vs Supply Voltage
300
250
200
150
100
50
0
3 4 5 6 7 8 9 10 11 12 13 14 15
BOOST-TS SUPPLY VOLTAGE (V)
4440A5 G03
Output High Voltage (VOH)
vs Supply Voltage
16
14
12
ITG = 1mA
10
ITG = 10mA
ITG = 100mA
8
6
4
2
0
4 5 6 7 8 9 10 11 12 13 14 15
BOOST-TS SUPPLY VOLTAGE (V)
4440A5 G04
Input (INP) Thresholds
vs Supply Voltage
2.0
1.8
VIH
1.6
1.4
VIL
1.2
1.0
0.8
0.6
0.4
0.2
0
4 5 6 7 8 9 10 11 12 13 14 15
VCC SUPPLY VOLTAGE (V)
4440A5 G05
2MHz Operation
INPUT
(INP)
5V/DIV
OUTPUT
(TG)
5V/DIV
250ns/DIV
VCC = BOOST-TS = 12V
4440A5 G06
VCC Supply Current
vs Temperature
250
INP = GND
200
INP = VCC
150
100
50
0
–55 –35 –15 5 25 45 65 85 105 125 155
TEMPERATURE (°C)
4440A5 G07
VCC Undervoltage Lockout
Thresholds vs Temperature
3.5
3.4
3.3
RISING
3.2
3.1
FALLING
3.0
2.9
2.8
2.7
2.6
2.5
–55 –35 –15 5 25 45 65 85 105 125 155
TEMPERATURE (°C)
4440A5 G08
BOOST-TS Quiescent Current
vs Temperature
400
350
300
250
200
150
100
50
0
–55 –35 –15 5 25 45 65 85 105 125 155
TEMPERATURE (°C)
4440A5 G09
4440a5f
4
For more information www.linear.com/LTC4440A-5
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