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4 Test Setup and Procedure
4.1 Test Setup
Figure 4-1
shows the correct jumper positions to configure the evaluation module for the typical application, as
shown in
Figure
2-1. The correct equipment connections and measurement points are shown in
JUMPER
J7
J10
4.2 Test Equipment
•
Power Supply: The input voltage source (VIN) should be a variable supply capable of 0 V to 10 V and
source at least 10 A.
•
Multi-meters:
– Voltmeter 1: Input voltage. Connect from VIN+ to VIN–.
– Voltmeter 2: Output voltage. Connect from VOUT+ to GND.
– Ammeter 1: Input current. Must be able to handle 10 A. Shunt resistor can be used as needed.
– Ammeter 2: Output current. Must be able to handle 2 A. Shunt resistor can be used as needed.
•
Electronic Load: The load should be constant resistance (CR) or constant current (CC) capable. It should
safely handle 2 A at 12 V.
•
Oscilloscope: 20-MHz bandwidth and AC coupling. Measure the output voltage ripple directly across an
output capacitor with a short ground lead. It is not recommended to use a long-leaded ground connection due
to the possibility of noise being coupled into the signal. To measure other waveforms, adjust the oscilloscope
as needed.
SNVU783 – OCTOBER 2021
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Table 4-1. Standard Configuration Jumper Connections
Figure 4-1. Test Setup
Copyright © 2021 Texas Instruments Incorporated
POSITION
Jumper from pin 2 to pin 3
Jumper from pin 3 to pin 4 (HS)
LM5158EVM-BST Evaluation Module
Test Setup and Procedure
Table 4-1
7
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