会不会是导通阻抗太高的原因？LZ是否有可能试试这个片子呢？
4.5 Ω typical on resistance
1 Ω on-resistance flatness
Up to 470 mA continuous current
±3.3 V to ±8 V dual-supply operation
3.3 V to 16 V single-supply operation
No VL supply required
3 V logic-compatible inputs
Rail-to-rail operation
16-lead TSSOP and 16-lead, 3 mm × 3 mm LFCSP |
