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LM5145 Datasheet(PDF) 9 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) 9 Page - Texas Instruments

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5.5 Electrical Characteristics (continued)
TJ = –40°C to 150°C. Typical values are at TJ = 25°C and VIN = 12V (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tDELAY-ISNS
ISNS delay to output
70
ns
GCS
CS amplifier gain
10
V/V
IBIAS-ISNS
CS amplifier input bias current
1.2
µA
THERMAL SHUTDOWN
TJ-SHD
Thermal shutdown threshold (1)
Temperature rising
175
°C
TJ-HYS
Thermal shutdown hysteresis (1)
15
°C
(1)
Specified by design. Not production tested.
www.ti.com
LM25139
SLVSJ80 – OCTOBER 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: LM25139



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