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- Mon Mar 06, 2017 8:23 am
- Forum: General Discussion
- Topic: A problem met in the design of switching power supply
- Replies: 1
- Views: 5825
A problem met in the design of switching power supply
Hi, I'm using a switching power supply chip LM2575 to drive the load by turning DC voltage 24V to 1.5V. It works well except a problem... Everytime when the power’s off, the capacitor C2 (maybe?) will still supply power to the load for a short period. Due to this, I cannot turn off the load immediat...