LT3758EDD 데이터 시트보기 (PDF) - Linear Technology
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LT3758EDD Datasheet PDF : 36 Pages
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LT3758/LT3758A
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Switching Frequency
vs Temperature
330
RT = 41.2K
320
310
300
290
280
270
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G07
SENSE Current Limit Threshold
vs Temperature
120
115
110
105
100
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G08
SENSE Current Limit Threshold
vs Duty Cycle
115
SHDN/UVLO Threshold
vs Temperature
1.28
1.26
110
1.24
SHDN/UVLO RISING
105
1.22
SHDN/UVLO FALLING
100
1.20
95
0
20
40
60
DUTY CYCLE (%)
80
100
3758 G09
SHDN/UVLO Current vs Voltage
50
1.18
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G10
SHDN/UVLO Hysteresis Current
vs Temperature
2.4
40
2.2
30
2.0
20
1.8
10
0
0
20
40
60
80
100
SHDN/UVLO VOLTAGE (V)
3758 G11
1.6
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G12
6
3758afd
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