LTC4441 Просмотр технического описания (PDF) - Linear Technology
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LTC4441 Datasheet PDF : 16 Pages
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LTC4441/LTC4441-1
Typical Performance Characteristics
DRVCC Load Regulation
5.50
VIN = 7.5V
5.45 TA = 25°C
5.40
R1 = 330k
R2 = 100k
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
0
20 40 60 80 100 120 140 160 180 200
ILOAD (mA)
4441 G07
OUT Pin Pull-Down Resistance
vs Temperature
0.8
VIN = 7.5V
0.7 DRVCC = 5V
0.6
0.5
0.4
0.3
0.2
0.1
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
4441 G10
DRVCC Line Regulation
5.30 TA = 25°C
R1 = 330k
5.25 R2 = 100k
5.20
5.15
5.10
5.05
5.00
0
5 10 15 20 25 30
VIN (V)
4441 G08
tPLH, tPHL vs DRVCC
60
TA = 25°C
CLOAD = 4.7nF
50
40
tPLH
30
tPHL
20
10
0
4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
DRVCC (V)
4441 G11
DRVCC Dropout Voltage
vs Temperature
1000
900
800
VIN = 7.5V
DRVCC = 5V
ILOAD = 40mA
700
600
500
400
300
200
100
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
4441 G09
tPLH, tPHL vs Temperature
60
VDRVCC = 5V
CLOAD = 4.7nF
50
40
tPLH
30
tPHL
20
10
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
4441 G12
tPLH, tPHL vs CLOAD
100
TA = 25°C
90 DRVCC = 5V
80
tPLH
70
60
50
40
tPHL
30
20
10
0
0 5 10 15 20 25 30 35 40 45 50
CLOAD (nF)
4441 G13
RISE/FALL Time vs DRVCC
30
TA = 25°C
CLOAD = 4.7nF
25
20
15
RISE TIME
10
FALL TIME
5
0
4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
DRVCC (V)
4441 G14
RISE/FALL Time vs Temperature
30
VDRVCC = 5V
CLOAD = 4.7nF
25
20
RISE TIME
15
10
FALL TIME
5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4441 G15
44411fa
5
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