LT3150CGN 查看數據表（PDF） - Linear Technology
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LT3150CGN
Linear Technology
LT3150CGN Datasheet PDF : 20 Pages
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LT3150
TYPICAL PERFOR A CE CHARACTERISTICS Linear Regulator Controller
FB2 Line Regulation
vs Temperature
0.030
0.025
0.020
0.015
0.010
0.005
0
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G09
Gate Output Swing Low
vs Temperature
3.00
ILOAD = 50mA
2.75
2.50
NO LOAD
2.25
2.00
1.75
1.50
1.25
1.00
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G12
Current Limit Threshold Voltage
vs Temperature
65
60
55
IPOS = 5V
IPOS = 3V
50
IPOS = 20V
45
40
35
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G15
Error Amplifier Large-Signal
Voltage Gain vs Temperature
120
115
110
105
100
95
90
85
80
75
70
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G10
Gate Output Swing High (VIN2 –
VGATE) vs Temperature
3.0
2.5
2.0
ILOAD = 50mA
1.5
1.0
NO LOAD
0.5
0
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G13
Current Limit Threshold Voltage
Line Regulation vs Temperature
0
– 0.1
– 0.2
– 0.3
– 0.4
– 0.5
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G16
Gain and Phase vs Frequency
200
150
PHASE
100
GAIN
50
0
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
3150 G11
IPOS + INEG Supply Current
vs Temperature
1000
900
800
IPOS = INEG = 5V
IPOS = INEG = 12V
700
IPOS = INEG = 20V
600
IPOS = INEG = 3V
500
400
300
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G14
SHDN2 Sink Current
vs Temperature
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
–75 – 50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3150 G17
3150f
5
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