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SNVU573A – August 2017 – Revised March 2018
Copyright © 2017–2018, Texas Instruments Incorporated
LMR33630 EVM User’s Guide
User's Guide
SNVU573A – August 2017 – Revised March 2018
LMR33630 EVM User’s Guide
The Texas Instruments LMR33630 EVM evaluation module (EVM) helps designers evaluate the operation
and performance of the LMR33630 buck regulator. The LMR336x0 is a family of easy-to-use synchronous
step-down DC/DC converters capable of driving up to 3 A of load current from an input voltage of 3.8 V to
36 V. The LMR33630 EVM features a selectable output voltage of 3.3 V or 5 V and a switching frequency
of either 400 kHz or 2.1 MHz. See the LMR33630 data sheet for additional features, detailed description,
and available options.
The EVM options are found in
Table 1. Device and Package Configurations
EVM
DEVICE
FREQUENCY / Output Current
LMR33630ADDAEVM
LMR33630ADDA
400 kHz / 3A
LMR33630CDDAEVM
LMR33630CDDA
2100 kHz / 3A
Contents
1
Setup
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2
Operation
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3
Performance Curves
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4
Schematic
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5
Board Layout
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6
Bill of Materials
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List of Figures
1
EVM Board Connections
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2
EVM Card Edge Connections
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3
Jumper Locations
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4
FRA Set-up
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5
Efficiency: V
IN
= 12 V, ƒ
SW
= 2.1 MHz
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6
Efficiency: V
IN
= 12 V, ƒ
SW
= 400 kHz
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LMR33630EVM Schematic
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Top View of EVM
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EVM Top Copper Layer
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EVM Mid Layer One
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EVM Mid Layer Two
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EVM Bottom Copper Layer
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List of Tables
1
Device and Package Configurations
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2
BOM for LMR33630ADDAEVM
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3
BOM for LMR33630CDDAEVM
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