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LM76002 Datasheet(PDF) 24 Page - Texas Instruments

Part # LM76002
Description  LM76002/LM76003 3.5-V to 60-V, 2.5-A/3.5-A Synchronous Step-Down Voltage Regulator
PDF  59 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM76002 Datasheet(HTML) 24 Page - Texas Instruments

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background image
SW
PVIN
PGND
BOOT
VCC
BIAS
SYNC
RT
PGOOD
EN
SS/TRK
AGND
FB
LM76003
C
OUT
C
BOOT
C
IN
C
VCC
C
BIAS
R
FBT
R
FBB
C
FF
L
Tie BIAS to PGND
when V
OUT < 3.3 V
V
IN
V
OUT
24
LM76002, LM76003
SNVSAK0A – OCTOBER 2017 – REVISED OCTOBER 2019
www.ti.com
Product Folder Links: LM76002 LM76003
Submit Documentation Feedback
Copyright © 2017–2019, Texas Instruments Incorporated
8 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
The LM76002/LM76003 is a step-down DC-DC converter. It is typically used to convert a higher DC voltage to a
lower DC voltage with a maximum output current of 3.5 A. The following design procedure can be used to select
component values for the LM76002/LM76003. Alternately, the WEBENCH® software may be used to generate a
complete design. The WEBENCH software uses an iterative design procedure and accesses a comprehensive
database of components when generating a design (see Custom Design With WEBENCH® Tools).
8.2 Typical Applications
The LM76002/LM76003 only requires a few external components to convert from a wide range of supply voltage
to output voltage, as shown in Figure 21:
Figure 21. LM76002/LM76003 Basic Schematic
The LM76002/LM76003 also integrates a full list of features to aid system design requirements, such as VCC
UVLO, programmable soft start, start-up tracking, programmable switching frequency, clock synchronization, and
a power-good indication. Each system can select the features needed in a specific application. A comprehensive
schematic with all features utilized is shown in Figure 22:



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