| 引脚 | 功能 | 描述 | 电压V |
| 1 | LX2 | 17.5 | |
| 2 | 21 | ||
| 3 | BST2 | 21.1 | |
| 4 | 3.9 | ||
| 5 | 3.9 | ||
| 6 | GND | 0 | |
| 7 | RPT | 3.9 | |
| 8 | CT | 1.4 | |
| 9 | SYNC | 5.1 | |
| 10 | 0.8 | ||
| 11 | 2.2 | ||
| 12 | 电压反馈 | 1.3 | |
| 13 | 电流反馈 | 2.4 | |
| 14 | SSTCMP | 1.5 | |
| 15 | TIMER | 0.2 | |
| 16 | 过压反馈 | 4.2 | |
| 17 | UM-S | 欠压反馈 | 3.1 |
| 18 | ADIM | 5.7 | |
| 19 | 3.3 | ||
| 20 | VIN | 24.1 | |
| 21 | VREF | 5.7 | |
| 22 | BST1 | 22 | |
| 23 | 21.9 | ||
| 24 | LX1 | 17.7 | |
| 取消保护：15脚接一只10K左右的电阻到地 | |||
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