Test Procedure for the NCP508, 50mA, LDO Test Setup: DC Electronic Load DC Power Supply - - V A V + + A Figure 1 Required Equipment: 2 x Voltmeters 2 x Ampere meters DC Power Supply – 3.3V, 0.1A Electronic Load – 50mA 09/22/2010 1 www.onsemi.com Test Procedure for the NCP508, 50mA, LDO Test Procedure: 1. Connect the test setup as shown on Figure 1, 2. Set the Electronic Load to for required load current, 3. Apply the Input Voltage to satisfy the minimum Dropout requirement, 4. Verify that the Voltage Regulator turns on and that the output voltage is equal to the required nominal value, 5. Turn off the input power supply 6. End of the test 09/22/2010 2 www.onsemi.com