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LM5145 Datasheet(PDF) 45 Page - Texas Instruments

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Part # LM5145
Description  LM25143 3.5-V to 42-V Dual Synchronous Buck DC/DC Controller With Ultra-Low IQ
PDF  69 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5145 Datasheet(HTML) 45 Page - Texas Instruments

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3. Calculate CHF1 to create a pole at the ESR zero and to attenuate high-frequency noise at COMP. Select a
CHF1 capacitor of 15 pF.
HF1
ESR
COMP1
1
1
C
15.9pF
2
f
R
2
500kHz 20 k
S
S
˜
˜
˜
˜
˜
˜
:
(45)
Note
Set a fast loop with high RCOMP and low CCOMP values to improve the response when recovering from
operation in dropout.
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LM25143
SNVSC10 – MARCH 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: LM25143



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