NCL30088LED1GEVB_TEST_PROCEDURE - 257 KB

Test Procedure for the NCL30088LED1GEVB Evaluation Board
Overview
This procedure describes the functional testing of the NCL30088LED1GEVB T8 LED driver using a buck
boost PFC 100 mA driver.
Basic Specifications
Input Voltage – 90 V ac to 277 V ac Input Frequency – 50/60 Hz
Output Voltage – 90 V dc to 180 V dc
Output Current –100 mA dc Nominal
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Equipment Needed
AC Source – 90 V ac to 277 V ac 50/60 Hz Minimum 1A ac capability
AC Wattmeter – 30 W Minimum, True RMS Input Voltage and Current, Power Factor 0.2% accuracy or
better
DC Voltmeter – 200 V dc minimum 0.1% accuracy or better
DC Ammeter – 0.5 A dc minimum 0.1% accuracy or better
LED Load – 90 V dc to 180 V dc rated for at least 100 mA dc operation
Test Set Up
1. Perform visual inspection to insure all parts are placed on board per BOM
2. Connect the Unit Under Test (UUT) per the test set up in Figure 1.
AC Power
Source
AC
Wattmeter
UUT
DC
Ammeter
DC
Voltmeter
LED Test
Load
Figure 1. Test Set Up
Note: Unless otherwise specified, all voltage measurements are taken at the terminals of the UUT.
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Functional Test Procedure
Connect the UUT per figure 1
Test Limits
Test Condition
Pass / Fail
Test Variable
Min
Max
(Circle One)
Vin = 90 V ac
Output Current
95mA
105mA
Pass / Fail
Vin = 120 V ac
Output Current
95mA
105mA
Pass / Fail
Vin = 277 V ac
Output Current
95mA
105mA
Pass / Fail
Vin = 277 V ac
Power Factor
0.9
Vin = 120V ac
Input Power
Pass / Fail
21W
Pass / Fail
Vout = 180 V dc
Mark the Current Assembly Revision Here after test
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