A
COM
Ammeter 1
Electronic Load
+
-
V
Voltmeter 1
COM
V
Voltmeter 3
COM
Oscilloscope
+
-
Power Supply
A
COM
Ammeter 3
Electronic Load
+
-
A
COM
Ammeter 2
V
Voltmeter 2
COM
Test Setup and Procedure
8
SNVU623B – October 2018 – Revised April 2020
Copyright © 2018–2020, Texas Instruments Incorporated
LM5143-Q1 EVM User's Guide
5
Test Setup and Procedure
5.1
EVM Connections
Referencing the EVM connections described in
, the recommended test setup to evaluate the
LM5143-Q1EVM-2100 is shown in
. Working at an ESD-protected workstation, make sure that
any wrist straps, boot straps, or mats are connected and referencing the user to earth ground before
handling the EVM.
Figure 4. EVM Test Setup
CAUTION
Refer to the
data sheet,
LM5143-Q1 Quickstart Calculator
and
for additional guidance pertaining to component
selection and controller operation.
Table 3. EVM Power Connections
LABEL
DESCRIPTION
VIN+
Positive input voltage power and sense connection
VIN-
Negative input voltage and output voltage power and sense connection
VOUT1
Channel 1 positive output voltage power and sense connection
VOUT2
Channel 2 positive output voltage power and sense connection
GND
Negative output voltage power and sense connection