Design Idea DI-30 TOPSwitch®-GX 180 W PC Main SFX Supply

Design Highlights

• 180 W cont. (200 W peak) in PC SFX form factor

• Includes passive power factor correction (PFC)

• TOPSwitch-GX integrated features enable extremely low component count

• Meets 1 W standby spec (0.91 W input, 0.5 W output)

• High efficiency (71 minimum)

• Integrated line undervoltage and overvoltage detection

• Low EMI due to frequency jitter

• SOURCE referenced TO-220 tab lowers conducted EMI

• Maximum duty cycle reduction (DCMAX) prevents transformer saturation for fault and transient loads

• Uses conventional magamp for 3.3 V output

• Meets CISPR22B/EN55022B conducted EMI