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LM5145 Datasheet(PDF) 11 Page - Texas Instruments

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Part # LM5145
Description  LM5148 80-V, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
PDF  70 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5145 Datasheet(HTML) 11 Page - Texas Instruments

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7.6 Typical Characteristics (continued)
VIN = 12 V, unless otherwise specified
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
4.95
4.975
5
5.025
5.05
Figure 7-7. Fixed 5-V Output Voltage vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
788
792
796
800
804
808
812
Figure 7-8. Feedback Voltage vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
104
105
106
107
108
109
110
111
112
Rising
Falling
Figure 7-9. PG OV Thresholds vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
90
91
92
93
94
95
96
97
98
Falling
Rising
Figure 7-10. PG UV Thresholds vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
4.8
4.85
4.9
4.95
5
5.05
5.1
5.15
5.2
IVCC = 0 mA
IVCC = 100 mA
Figure 7-11. VCC Regulation Voltage vs Temperature
Junction Temperature (
C)
-50
-25
0
25
50
75
100
125
150
3.1
3.2
3.3
3.4
3.5
3.6
Rising
Falling
Figure 7-12. VCC UVLO Thresholds vs Temperature
www.ti.com
LM5148
SNVSC01 – FEBRUARY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: LM5148



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