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LM5145 Datasheet(PDF) 13 Page - Texas Instruments

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Part # LM5145
Description  6-V to 75-V Synchronous Buck DC-DC Controller With Wide Duty Cycle Range
PDF  67 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5145 Datasheet(HTML) 13 Page - Texas Instruments

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Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
88
90
92
94
96
98
Rising
Falling
Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
100
102
104
106
108
110
Rising
Falling
Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
4.2
4.4
4.6
4.8
5
5.2
Rising
Falling
Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
3
3.2
3.4
3.6
3.8
4
Rising
Falling
Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
50
100
150
200
250
300
350
RDS-ON Mode
RSENSE Mode
Junction Temperature (°C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
0
5
10
15
20
25
HO to LO
LO to HO
13
LM5145
www.ti.com
SNVSAI4 – JUNE 2017
Product Folder Links: LM5145
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Typical Characteristics (continued)
VVIN = 48 V, RRT = 25 kΩ, SYNCIN tied to VCC, EN/UVLO tied to VIN (unless otherwise noted).
Figure 13. ILIM Current Source vs Junction Temperature
VSW = 0 V
Figure 14. Dead Time vs Junction Temperature
Figure 15. VCC UVLO Thresholds vs Junction Temperature
Figure 16. BST UVLO Thresholds vs Junction Temperature
Figure 17. PGOOD UVP Thresholds vs Junction
Temperature
Figure 18. PGOOD OVP Thresholds vs Junction
Temperature



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