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LM5145 Datasheet(PDF) 5 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) 5 Page - Texas Instruments

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7 Specifications
7.1 Absolute Maximum Ratings
Over the recommended operating junction temperature range of –40
℃ to 150℃ (unless otherwise noted). (1)
MIN
MAX
UNIT
Output voltage
VOUT, ISNS+ to AGND
–0.3
60
V
VOUT to ISNS+
–0.3
0.3
V
Input voltage
VIN to PGND
–0.3
85
V
SW to PGND
–0.3
85
V
SW to PGND, transient < 20 ns
–5
V
CBOOT to SW
–0.3
6.5
V
CBOOT to SW, transient < 20 ns
–2
V
HO to SW
–0.3
VHB + 0.3
V
HO to SW, transient < 20ns
–5
V
LO to PGND
–0.3
VVCC + 0.3
V
LO to PGND, transient < 20 ns
–1.5
V
EN to PGND
–0.3
85
V
VCC, VCCX, VDDA, PG, FB, PFM/SYNC, RT, EXTCOMP to AGND
–0.3
6.5
V
CNFG to AGND
–0.3
5.5
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. .
7.2 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 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
7.3 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
80
V
VOUT
Output voltage range
0.8
55
V
SW to PGND
–0.3
80
V
CBOOT to SW
–0.3
5
5.25
V
FB, EXTCOMP, RT, CNFG to AGND
–0.3
5.25
V
EN to PGND
–0.3
80
V
VCC, VCCX, VDDA to PGND
–0.3
5
5.25
V
VOUT, ISNS+ to PGND
–0.3
55
V
PGND to AGND
–0.3
0.3
V
CNFG to AGND
–0.3
5.5
V
www.ti.com
LM5148
SNVSC01 – FEBRUARY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: LM5148



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