Other Parts Discussed in Thread: LM5170
LM5170 芯片焊接好后,按照IT推荐的电路,供电10v, 输入48v,
需要检查哪些PIN ?
下面是测量到的PIN的电压:
SN | LM5170 | PIN 电压 |
1 | EN1 | 2.5V |
2 | EN2 | 5V |
3 | nFAULT | 5V |
4 | UVLO | 5V |
5 | DIR | 5V |
6 | HB1 | 10V |
7 | HB2 | 10V |
8 | VINX | 48V |
9 | RAMP1 | 2.3V |
10 | RAMP2 | 2.3V |
11 | OSC | 1V |
12 | OVPA | 0.8V |
13 | HO1 | 3.3V |
14 | HO2 | 3.3V |
15 | OPT | 9.8V |
16 | SYNCIN | 0V |
17 | SYNCOUT | 0V |