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LM5145 Datasheet(PDF) 14 Page - Texas Instruments

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Part # LM5145
Description  LM5146 100-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range
PDF  55 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5145 Datasheet(HTML) 14 Page - Texas Instruments

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Junction Temperature (°C)
-50
-25
0
25
50
75
100
125
150
380
390
400
410
420
VIN = 6V
VIN = 48V
VIN = 100V
RRT = 25 kΩ
Figure 7-19. Oscillator Frequency vs Junction
Temperature
Junction Temperature (°C)
-50
-25
0
25
50
75
100
125
150
950
960
970
980
990
1000
VIN = 6V
VIN = 48V
VIN = 100V
RRT = 10 kΩ
Figure 7-20. Oscillator Frequency vs Junction
Temperature
VCC Voltage (V)
6
7
8
9
10
11
12
13
1
1.5
2
2.5
3
3.5
4
Source
Sink
Figure 7-21. Gate Driver Peak Current vs VCC
Voltage
VCC Voltage (V)
6
7
8
9
10
11
12
13
0.6
0.8
1
1.2
1.4
1.6
High State
Low State
Figure 7-22. HO Driver Resistance vs VCC Voltage
VCC Voltage (V)
6
7
8
9
10
11
12
13
0.6
0.8
1
1.2
1.4
1.6
High State
Low State
Figure 7-23. LO Driver Resistance vs VCC Voltage
Input Voltage (V)
0
20
40
60
80
100
5
5.5
6
6.5
7
7.5
8
40°C
25°C
150°C
VSS/TRK = 0 V
Figure 7-24. VCC Voltage vs Input Voltage
LM5146
SNVSBV0A – JUNE 2021 – REVISED JUNE 2021
www.ti.com
14
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: LM5146



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