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UCC27324: 驱动芯片发热严重

Part Number: UCC27324
Other Parts Discussed in Thread: UCC28950, , UCC27624

最近在测开关电源,用的是UCC28950芯片,用的你们UCC28950规格书里面的参考设计,目前板子只给芯片(UCC28950和UCC27324)12V的电压,mos管还没给高压,但是UCC27324发热很严重,可能是我的驱动变压器导致的吗,匝数比50:50:50