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LM5145 датащи(PDF) 40 Page - Texas Instruments

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номер детали LM5145
подробное описание детали  LM5148 80-V, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
PDF  70 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

LM5145 датащи(HTML) 40 Page - Texas Instruments

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9.2.1.3 Application Curves
Load Current (A)
0
1
2
3
4
5
6
7
8
70
75
80
85
90
95
100
VIN = 8 V
VIN = 12 V
VIN = 18 V
5-V output
Figure 9-5. Efficiency vs IOUT
Load Current (A)
0.001
0.01
0.1
1
8
50
60
70
80
90
100
VIN = 8 V
VIN = 12 V
VIN = 18 V
5-V output
Figure 9-6. Efficiency vs IOUT, Log Scale
8-A resistive load
Figure 9-7. Full Load Switching
No load
Figure 9-8. PFM Switching
VIN ramps from 12 V to 36 V
5-A load
Figure 9-9. Line Transient
VIN falls to 3.8 V
5-A load
Figure 9-10. Cold-Crank Response to VIN = 3.8 V
LM5148
SNVSC01 – FEBRUARY 2023
www.ti.com
40
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Product Folder Links: LM5148



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