LT3030HFE-PBF 데이터 시트보기 (PDF) - Linear Technology
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LT3030HFE-PBF Datasheet PDF : 22 Pages
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LT3030
Typical Performance Characteristics TJ = 25°C, unless otherwise noted.
SHDN1 or SHDN2 Pin Input
Current
2.0
1.8
1.6
1.4
1.2
VIN = 2.2V,
1.0
VSHDN = 20V
0.8
0.6
0.4
VIN = 20V
0.2
VSHDN = 2.2V
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G19
PWRGD1 or PWRGD2 Output Low
Voltage
150
IPWRGD = 100µA
135
120
105
90
75
60
45
30
15
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G22
ADJ1 or ADJ2 Pin Bias Current
150
135
120
105
90
75
60
45
30
15
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G20
OUT1 Current Limit
2.00
VOUT = 0V
1.75
1.50
1.25
1.00
0.75
TJ = 150°C
0.50
TJ = –55°C
TJ = 25°C
TJ = 125°C
0.25
0
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
3030 G23
PWRGD1 or PWRGD2 Trip Point
94
93
92
91
OUTPUT RISING
90
89
88
OUTPUT FALLING
87
86
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G21
OUT1 Current Limit
2.0
VOUT = 0V
1.8
1.6
VIN = 6V
1.4
1.2
1.0
0.8
0.6
0.4
VIN = 18V
0.2
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G24
OUT2 Current Limit
0.60
VOUT = 0V
0.54
0.48
0.42
0.36
TJ = –55°C
0.30
TJ = 25°C
0.24
TJ = 125°C
0.18
0.12
TJ = 150°C
0.06
0
0 2 4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
3030 G25
OUT2 Current Limit
0.60
VOUT = 0V
0.54
0.48
VIN = 6V
0.42
0.36
0.30
0.24
0.18
VIN = 18V
0.12
0.06
0
–75 –50 –25
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3030 G26
For more information www.linear.com/LT3030
Reverse Current
5.0
4.5
TJ = 25°C
VIN1 = VIN2 = 0V
4.0 VADJ1 = VOUT1
VADJ2 = VOUT2
3.5
3.0
2.5
IADJ1 OR IADJ2
2.0
1.5
1.0
0.5
IOUT1 OR IOUT2
0
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OUTPUT VOLTAGE (V)
3030 G27
IADJ = FLOWS INTO ADJ PIN TO GND PIN
IOUT = FLOWS INTO OUT PIN TO IN PIN
3030fa
7
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