Test Procedure for NCP5217AGEVB Demonstration Board V+ V+ PSU1 20V/2A PSU2 5V/0.1A V- V- V Vo e-Load 0~15A Equipment Set Up Diagram 1/20/2010 1 of 4 www.onsemi.com Demonstration Board Jumper Location Map J100 = Testing Used Default = Open SW1 = EN Default = All open J1=Power Good LED Enable Default = Close J2: Mode Selection OCP Only (Default) OCP + AVP 1/20/2010 2 of 4 www.onsemi.com Equipment List Item 1 2 3 Qty 1 2 1 Description Electronic Load. KIKUSUI-PLZ153W or equivalent. Power Supply. AGILENT-E3632A or equivalent. (Note: build-in ammeter) Digital Multimeter. AGILENT-34401A or equivalent. Demonstration Board Jumper Setting Jumper Status J1 - JP2 - JP100 - SW1 - Description Power good LED enable Default = close Open = power off the LED Close = LED lits when the system is good. Mode selection Default = see “Demo board jumper location map” diagram Test jumper Default = open EN pin Default = all open Demonstration Board Terminal Pins List Terminal VIN VIN_GND V5 PGND 1/20/2010 Description Device input voltage (5-27V) Device power ground Device analog circuit bias (4.5 ~ 5.5V) Device power ground 3 of 4 www.onsemi.com Test Procedures 1. 2. 3. 4. All Jumpers are set as “Default” Set up the demonstration board shown at “Equipment Set Up Diagram” Set PSU1=20V, PSU2=5V. For safety set current limit of PSU1=2A, PSU2=0.1A Measuring results are tabulated in the following table Note: PSU = Power Supply Unit e-Load = Electronic Load PSU1 e-Load Vo LED Current Consumption 0 ~0A 1.52-1.54V LED1 ON 2 0.15-19A 1.52-1.54V LED1 ON 5 0.38-0.47A 1.52-1.54V LED1ON 8 0.62-0.76A 1.52-1.54V LED1 ON 8Æ15A VoÆ0V LED2 ON Note: The current consumption of PSU2 should be below 20mA for all tests. 1/20/2010 4 of 4 Comment Normal operation Normal operation Normal operation Normal operation Over current protection test www.onsemi.com