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LM5145 데이터시트(PDF) 6 Page - Texas Instruments

부품명 LM5145
상세설명  LM25139 42V, Synchronous Buck DC/DC Controller With Dual Random Spread Spectrum for Advanced EMI Mitigation
PDF  60 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
Logo TI2 - Texas Instruments

LM5145 데이터시트(HTML) 6 Page - Texas Instruments

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5 Specifications
5.1 Absolute Maximum Ratings
Over the recommended operating junction temperature range of –40°C to 150°C (unless otherwise noted). (1)
MIN
MAX
UNIT
Output voltage
VOUT to AGND
–0.3
36
V
CBOOT to SW
–0.3
VSW + 5.5
V
CBOOT to SW, transient < 20ns
–2
V
HO to SW
–0.3
VCBOOT + 0.3
V
HO to SW, transient < 20ns
–5
V
LO to PGND
–0.3
VVCC + 0.3
V
LO to PGND, transient < 20ns
–1.5
V
VCC, PG, COMP to AGND
-0.3
5.5
V
Input voltage
AGND to PGND
–0.3
0.3
V
VIN to PGND
–0.3
45
V
SW to PGND
–0.3
45
V
SW to PGND, transient < 20ns
–5
V
EN, RT to PGND
–0.3
45
V
FB, FPWM/SYNC to AGND
–0.3
5.5
V
ISNS to AGND
–0.3
45
V
Operating junction temperature, TJ
–40
150
°C
Storage temperature, Tstg
–55
150
°C
(1)
Operation outside the Absolute Maximum Ratings may cause permanent device damage. Absolute Maximum Ratings do not imply
functional operation of the device at these or any other conditions beyond those listed under Recommended Operating Conditions.
If used outside the Recommended Operating Conditions but within the Absolute Maximum Ratings, the device may not be fully
functional, and this may affect device reliability, functionality, performance, and shorten the device lifetime.
5.2 ESD Ratings
VALUE
UNIT
V(ESD)
Electrostatic discharge
Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1)
±2000
V
Charged-device model (CDM), per ANSI/ESDA/JEDEC JS-002 (2)
±750
(1)
JEDEC document JEP155 states that 500V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250V CDM allows safe manufacturing with a standard ESD control process.
5.3 Recommended Operating Conditions
Over the operating junction temperature range of –40
℃ to 150℃ (unless otherwise noted). (1)
MIN
NOM
MAX
UNIT
VIN
Input supply voltage range
3.5
42
V
VOUT
Output voltage range
0.8
36
V
SW to PGND
–0.3
42
V
CBOOT, HO to SW
–0.3
5
5.25
V
FB, COMP to AGND
–0.3
5.25
V
EN, RT to PGND
–0.3
42
V
VCC, LO to PGND
–0.3
5
5.25
V
VOUT, ISNS to PGND
–0.3
36
V
PGND to AGND
–0.3
0.3
V
FPWM/SYNC, PG to AGND
–0.3
5.25
V
TJ
Operating junction temperature
–40
150
°C
(1)
Recommended operating conditions are conditions under which the device is intended to be functional. For specifications and test
conditions, see the Electrical Characteristics.
LM25139
SLVSJ80 – OCTOBER 2025
www.ti.com
6
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: LM25139



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