Test Setup and Results
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4
Test Setup and Results
This section describes how to properly connect, set up, and use the TPS560200EVM-537. The section
also includes test results typical for the evaluation modules and efficiency, output load regulation, output
line regulation, load transient response, output voltage ripple, input voltage ripple, start-up, and switching
frequency.
4.1
Input/Output Connections
The TPS560200EVM-537 is provided with input/output connectors and test points as shown in
Table 4
. A
power supply capable of supplying 2 A must be connected to J1 through a pair of 20-AWG wires. The load
must be connected to J2 through a pair of 20-AWG wires. The maximum load current capability is 1 A.
Wire lengths must be minimized to reduce losses in the wires. Test point TP1 provides a place to monitor
the V
IN
input voltages with TP2 providing a convenient ground reference. TP7 is used to monitor the output
voltage with TP8 as the ground reference.
Table 4. Connection and Test Points
Reference Designator
Function
J1-1
V
IN
positive sense and monitor point
J1-2
V
IN
(see
Table 1
for V
IN
range)
J2-1
Ground return for V
IN
J2-2
V
IN
negative sense and monitor point
J3-1
V
OUT
positive sense and monitor point
J3-2
V
OUT
, 1.05 V at 0.5-A maximum
J4-1
Ground return for V
OUT
J4-2
V
OUT
negative sense and monitor point
JP1
EN control. Shunt EN to GND to disable, open EN to enable.
TP1
Switch node test point
TP2
Test point for loop response measurements
4.2
Start-Up Procedure
1. Ensure that the jumper at JP1 (Enable control) is covered to shunt EN to GND, disabling the output.
2. Apply appropriate V
IN
voltage to VI (J1-2) and GND (J2-1).
3. Remove the jumper at JP1 (Enable control) to uncover EN and GND, enabling the output.
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TPS560200EVM-537 0.5-A, Single Channel Regulator Evaluation Module
SLVU954 – September 2013
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