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LM5145 Datasheet(PDF) 12 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) 12 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
88
90
92
94
96
98
Rising
Falling
Figure 5-13. PG UV Thresholds vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
104
106
108
110
112
Rising
Falling
Figure 5-14. PG OV Thresholds vs Temperature
IVCC = 20mA
Figure 5-15. VCC Regulation Voltage vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
3.3
3.4
3.5
3.6
3.7
3.8
3.9
Rising
Falling
Figure 5-16. VCC UVLO Thresholds vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
0
50
100
150
200
250
Figure 5-17. VCC Current Limit vs Temperature
Junction Te mperature (
C)
-50
-25
0
25
50
75
100
125
150
0.96
0.98
1
1.02
1.04
Figure 5-18. EN Rising Threshold Voltage vs Temperature
LM25139
SLVSJ80 – OCTOBER 2025
www.ti.com
12
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Product Folder Links: LM25139



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