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LT3045 Datasheet(PDF) 13 Page - Analog Devices

Part # LT3045
Description  18V, 1A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference
PDF  45 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3045 Datasheet(HTML) 13 Page - Analog Devices

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Data Sheet
LT83201
analog.com
Rev. A 13 of 45
Figure 22. EN/UVLO Pin Thresholds
Figure 23. Top MOSFET Current Limit
Figure 24. Top MOSFET Current Limit vs. Duty Cycle
Figure 25. Switch RDS(ON) vs. Temperature
Figure 26. Dropout Voltage vs. Temperature
Figure 27. Minimum VIN vs. Temperature
EN/UVLO RISING
EN/UVLO FALLING
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
0.67
0.68
0.69
0.70
0.71
0.72
0.73
0.74
0.75
0.76
0.77
10% DC
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
DUTY CYCLE (%)
0
10
20
30
40
50
60
70
80
90
100
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
TOP SWITCH
BOTTOM SWITCH
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
120
130
140
150
160
170
180
190
200
210
220
VIN = 12V
VOUT > 2.4V
TEMPERATURE (°C)
0
–25
0
25
50
75
100
125
300
350
400
450
500
550
600
650
700
750
800
VOUT ≤ 2.1V
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0



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