Texas Instruments TPS92001 Evaluation Boards TPS92001EVM-645 TPS92001EVM-645 Benutzerhandbuch
Produktcode
TPS92001EVM-645
Test Procedure
6
Test Procedure
All tests should use the set up described in
of this user guide.
WARNING
High voltage levels are present on this evaluation module
whenever it is energized. Proper precautions must be observed
whenever working with this module. Serious injury can occur if
proper safety procedures are not followed.
whenever it is energized. Proper precautions must be observed
whenever working with this module. Serious injury can occur if
proper safety procedures are not followed.
6.1
Line/Load Regulation and Efficiency Measurement Procedure
1. Connect EVM per
above. An external LED load must be used to start up the EVM.
2. Prior to turning on the AC source, set the voltage to 105 V
RMS
.
3. Turn on the AC source.
4. Record the output voltage and current readings from Voltmeter 2 and output current reading from
Ammeter 2 and input voltage reading from Voltmeter 1 and Ammeter 1.
5. Increase output voltage by 5 V
RMS
6. Repeat steps 4 and 5 until you reach 135 V
RMS
7. Refer to
for shutdown procedure.
6.2
Equipment Shutdown
1. Turn off the AC source.
2. Make sure that output capacitors are fully discharged.
6
Non-Dimmable LED Lighting Driver Controller
SLUU510
–
August 2011
Copyright
©
2011, Texas Instruments Incorporated