Datasheet

6.00
DMM1
1.20 6 AV
Load 1
+
-
1.20
DMM2
Test Points for
Tip-and-Barrel
Measurements
6.0 3 A
V
Voltage
Source
+-
www.ti.com Test Setup and Results
Figure 1. Test Connections
Table 4. EVM Connectors and Test Points
Reference Designator Function
J1 Input voltage
J2 Access to track function
J3 Output voltage
JP1 2-pin header for enable. Connect EN to ground to disable, open to enable.
JP2 2-pin header allowing pull up of PWRGD to V
IN
.
TP1 V
IN
+VE
TP2 V
IN
–VE
TP3 SS pin
TP4 Switch node, copper dot
TP5 Power Good pin
TP6 AGND reference
TP7 Bode injection point, input voltage
TP8 V
OUT
+VE
TP9 V
OUT
–VE
TP10 Bode injection point, output voltage
2.2 Efficiency
The efficiency of this EVM peaks at a load current of about 1 A to 2 A and then decreases as the load
current increases towards full load. Figure 2 shows the efficiency of the EVM at an ambient temperature of
25°C.
5
SLVU747–June 2012 TPS54678EVM-155 6-A, SWIFT™ Regulator Evaluation Module
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