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LM5145 Datasheet(PDF) 8 Page - Texas Instruments

Part # LM5145
Description  LM5137 4V to 80V, 100% Duty Cycle Capable, Dual-Channel, Synchronous Buck DC/DC Controller
PDF  74 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM5145 Datasheet(HTML) 8 Page - Texas Instruments

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6 Specifications
6.1 Absolute Maximum Ratings
Over the recommended operating junction temperature range of –40°C to 150°C (unless otherwise noted). (1)
MIN
MAX
UNIT
Input voltage
VIN to PGND
–0.3
85
V
SW1, SW2 to PGND
–0.3
85
V
SW1, SW2 to PGND, transient < 20ns
–5
V
BIAS1/VOUT1, VOUT2 to AGND
–0.3
85
V
FB1, FB2 to AGND
–0.3
20
V
PFM/SYNC, RT, CNFG, RSS to AGND
–0.3
6.5
V
CNFG to AGND
–0.3
5.5
V
AGND to PGND
–0.3
0.3
V
ISNS1+, ISNS2+ to AGND
–0.3
85
V
EN1, EN2 to PGND
–0.3
VIN + 5
V
Output voltage
PG1, PG2 to AGND
–0.3
VIN + 5
V
CBOOT1 to SW1, CBOOT2 to SW2
–0.3
6.5
V
CBOOT1 to SW1, CBOOT2 to SW2, transient < 20ns
–0.3
6.5
V
HO1 to SW1, HO2 to SW2
–0.3
VCBOOT1/2 + 0.3
V
HO1 to SW1, HO2 to SW2, transient < 20ns
–0.5
V
LO1, LO2 to PGND
–0.3
VVCC + 0.3
V
LO1, LO2 to PGND, transient < 20ns
–5
V
VCC, VDDA, SYNCOUT to AGND
–0.3
6.5
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.
6.2 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.
LM5137
SNVSCU3 – OCTOBER 2025
www.ti.com
8
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: LM5137



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