EVM Test Set Up
5.4
List of Test Points
Table 2. Test Point Functional Description
TEST POINT
NAME
DESCRIPTION
Output voltage of EVM; this designator is not populated with a pin in order to
TP1
+Vout
facilitate tip and barrel output ripple voltage measurements.
TP2
-Vout
Return of the output of the EVM, secondary side GND reference.
TP3
Pwr RTN
Primary side power ground
TP4
QGND
Primary side signal ground
TP5
+LOOP
Loop injection point, EVM output
TP6
-LOOP
Loop injection point
J1-1
Neutral
Neutral input from the AC source
J1-2
Earth
Earth reference from the AC source
J1-3
AC Line
Line input from AC source
J2-1
+Vout
Positive output terminal of the EVM to the load
J2-2
-Vout
Return connection of the EVM output to the load
10
UCC28610EVM-474 25-W Universal Off-Line Flyback Converter
SLUU383B
–
November 2009
–
Revised May 2011
Copyright
©
2009
–
2011, Texas Instruments Incorporated
