| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | R1223N252D | PWM/VFM Step-down DC/DC Converter | 212K |
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| 2 | R1223N252DTL | Voltage-Mode SMPS Controller | 1128K |
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| 3 | R1223N252DTR | Voltage-Mode SMPS Controller | 1128K |
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| 4 | R1223N252D-TR | PWM/VFM Step-down DC/DC Converter | 212K |
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