Test Procedure for MC34063 Inverting Regulator (SMD) Demonstration Board h 11/11/2003 Three Black Test Leads 12 VDC Power Supply Four Alligator Clips Table 1: Required Equipment Three Red Test Leads 100mA load (or 33 ohm, 1W resistor) MC34063 Inverting Regulator Digital Multimeter Figure 1: Test Procedure for MC34063 1. Attach 50 mA load (or 240 ohm, 1 W resistor) to connector P202. 2. Attach 5 VDC source to connector P201 – observe polarity. 3. Turn on 5 VDC source. 4. Measure DC output voltage at connector P202. 5. DC voltage should be -12.3V +/- 0.3V. 6. Remove load. 7. Measure DC output voltage at connector P202. 8. DC voltage should be -12.3V +/- 0.3V. 9. Remove 5 VDC source and disconnect load – test complete.