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LT3045 Datasheet(PDF) 14 Page - Analog Devices

Part # LT3045
Description  42V, 1A/2.5A Step-Down Silent Switcher 3 with Ultra-Low Noise Reference
PDF  44 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3045 Datasheet(HTML) 14 Page - Analog Devices

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Data Sheet
LT83401/LT83402
analog.com
Rev. 0
14 of 44
Figure 16. Load Regulation
Figure 17. Line Regulation
Figure 18. EN/UVLO Pin Thresholds
Figure 19. Top MOSFET Current Limit vs. Temperature
Figure 20. Top MOSFET Current Limit vs. Duty Cycle
Figure 21. Switch RDS(ON) vs. Temperature
VOUT = 3.3V
fSW = 2MHz
FORCED CONTINUOUS MODE
LOAD CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
VOUT = 3.3V
ILOAD = 1A
fSW = 2MHz
FORCED CONTINUOUS MODE
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
45
–0.50
–0.45
–0.40
–0.35
–0.30
–0.25
–0.20
–0.15
–0.10
–0.05
0.00
0.05
0.10
EN/UVLO RISING
EN/UVLO FALLING
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
0.67
0.68
0.69
0.70
0.71
0.72
0.73
0.74
0.75
0.76
0.77
10% DC
LT83402
LT83401
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
1
2
3
4
5
LT83401
LT83402
DUTY CYCLE (%)
10
20
30
40
50
60
70
80
90
1
2
3
4
5
TOP SWITCH
BOTTOM SWITCH
TEMPERATURE (°C)
–50
–25
0
0
25
50
75
100
125
150
50
100
150
200
250
300
350
400
450
500
550
600



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