3433EFE 데이터 시트보기 (PDF) - Linear Technology
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3433EFE Datasheet PDF : 16 Pages
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LT3433
TYPICAL PERFOR A CE CHARACTERISTICS
Soft-Start Current vs Temperature
7.0
6.5
6.0
5.5
5.0
4.5
4.0
–50
0
50
TEMPERATURE (°C)
Oscillator Frequency
vs Temperature
210
100 125
3433 G03
205
200
195
190
–50
0
50
TEMPERATURE (°C)
100 125
3433 G06
Error Amp Reference
vs Temperature
1.232
1.231
1.230
1.229
1.228
–50
0
50
TEMPERATURE (°C)
100 125
3433 G04
Oscillator Frequency vs VFB
200
TA = 25°C
150
100
50
0
0
0.2 0.4 0.6 0.8 1.0
VFB (V)
3433 G07
Switch Current Limit vs VFB
700
TA = 25°C
600
500
400
300
0
0.2 0.4 0.6 0.8 1.0
VFB (V)
3433 G05
Current Limit vs Temperature
1.0
0.9
W/C HIGH
0.8
TYPICAL
0.7
0.6
0.5
–50 –25
W/C LOW
0 25 50 75
TEMPERATURE (°C)
100 125
3433 G08
Maximum Boost Supply Switch
Drive Current vs Boost Supply
Voltage
70
TA = 25°C
65
Maximum Output Supply Switch
Drive Current vs Output Supply
Voltage
70
TA = 25°C
65
60
60
55
55
50
50
4
45
4 5 6 7 8 9 10 11 12
VBST – VSW_H (V)
3433 G09
45
4 5 6 7 8 9 10 11 12
VOUT (V)
3433 G10
3433f
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