Test Procedure for the NCP1581SBCKRGEVB Evaluation Board Figure 1: Test Setup The following steps describe the test procedure for all these boards: Required Equipment: Current limited DC Power Supply (e.g. AGILENT 6645A) ……………………… 2 pcs DC Volt-Meter able to measure up to 20 V DC (e.g. KEITHLEY 2000) …….……3 pcs DC Amp-Meter able to measure up to 1 A DC (e.g. KEITHLEY 2000) ………......1 pc DC Amp-Meter able to measure up to 10 A DC (e.g. FLUKE 89 IV)…………… 2 pcs DC Electronic Load (e.g. AGILENT 6060B) ……………………………………... 1 pc Test Procedure: 1. Connect the test setup as shown in Figure 1. 2. Apply an VCC voltage, VCC = 12 V 3. Apply an VIN voltage, VIN = 5 V 4. Check that VOUT = 1.1 – 3 V (can be set by trimmer) 5. Set IOUT = 10 A 6. Check that VOUT = 1.1 – 3 V (can be set by trimmer) 7. Turn off the load 8. Turn off VCC 9. Turn off VIN 10. End of the test 5/24/2010 -1- www.onsemi.com