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LM5145 Datasheet(PDF) 11 Page - Texas Instruments

Part # LM5145
Description  LM25139 42V, Synchronous Buck DC/DC Controller With Dual Random Spread Spectrum for Advanced EMI Mitigation
PDF  60 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM5145 Datasheet(HTML) 11 Page - Texas Instruments

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5.6 Typical Characteristics (continued)
VIN = 12V, TJ = 25°C, unless otherwise stated.
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
1
1.5
2
2.5
3
VEN = 0V
Figure 5-7. Shutdown Quiescent Current vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
0
10
20
30
40
50
0.6V < VEN < 1V
Figure 5-8. Standby Quiescent Current vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
0
4
8
12
16
20
VVOUT = 5V, VEN = 0V
Figure 5-9. Sleep Quiescent Current vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
3.27
3.28
3.29
3.3
3.31
3.32
3.33
Figure 5-10. Fixed 3.3V Output Voltage vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
4.96
4.98
5
5.02
5.04
Figure 5-11. Fixed 5V Output Voltage vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
792
796
800
804
808
Figure 5-12. Feedback Voltage vs Temperature
www.ti.com
LM25139
SLVSJ80 – OCTOBER 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: LM25139



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