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SNVU542 – July 2017
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Copyright © 2017, Texas Instruments Incorporated
LMS36x5x-Q1 EVM User's Guide
User's Guide
SNVU542 – July 2017
LMS36x5x-Q1 EVM User's Guide
The LMS3655xQEVM is specifically designed for automotive and high-performance industrial applications,
providing an output voltage of 5 V, 3.3 V, or an adjustable output at a continuous load of 5.5-A. The
LMS3635xQEVM is implemented using the same PCB board and components, but the IC current limit is
set for a maximum continuous load of 3.5-A. The LMS3655xQEVM can be used to evaluate both the
LMS3655-Q1 IC and the LMS3655 IC.
Figure 1. LMS3635xQEVM and LMS3655xQEVM Evaluation Board – Top View
All aspects of the LMS3635xQEVM and LMS3655xQEVM are optimized for high-performance industrial
and automotive markets. An input voltage range to 36 V eases the input surge protection design.
Exceptional dropout performance allows for the elimination of a boost stage in many designs for start and
stop applications. An open-drain RESET output, with filtering and Power Good delay, provides a true
indication of system status. This feature negates the requirement for additional supervisory circuitry,
saving cost, and board space. Seamless transition between PWM and PFM operation, along with a low
quiescent current, ensures high efficiency at all loads. The Texas Instruments LMS3655xQEVM and
LMS3635xQEVM help to evaluate the operation and performance of the LMS3655-Q1, LMS3655, and
LMS3635-Q1. The LMS36x5xQEVM is available for order in four variants.
See
Table 1
for orderable EVM variants and configurations.
Table 1. Orderable EVM Variants and Configuration for LM53625 and LM53635
EVM
VARIANT
EVM ORDERABLE
NAME
IC U1
CONTINUOUS
LOAD
OUTPUT
VOLTAGE
SPREAD
SPECTRUM
AVAILABLE
001
LMS3655AQEVM
LMS3655AQRNLRQ1
5.5 A
5 V Adjusted
—
Yes
002
LMS3655MQEVM
LMS3655MQRNLRQ1
5.5 A
5 V Adjusted
Yes
Yes
003
LMS3655NQEVM
LMS3655NQRNLRQ1
5.5 A
3.3 V Fixed
Yes
Yes
004
LMS3635MQEVM
LMS3635MQRNLRQ1
3.5 A
5 V Adjusted
Yes
Yes
