LM5069 正电压热插拔控制器可在从带电系统背板或其他热插拔电源插入和移除电路板期间,为电源连接提供智能控制。LM5069 可提供浪涌电流控制以限制系统电压下降和瞬变。外部串行导通 N 沟道 MOSFET 中的电流限制和功率耗散可进行编程,从而确保其在安全工作区 (SOA) 内工作。当输出电压低于 1.25V 输入电压时,会显示电源正常输出。输入欠压和过压锁定电平和迟滞,以及初始插入延迟时间和故障监测时间均可进行编程。在故障监测之后 LM5069-1 闭锁,同时 LM5069-2 以固定占空比自动重启。LM5069 采用 10 引脚 VSSOP 封装。
| FET | External |
| Vin (min) (V) | 9 |
| Vin (max) (V) | 80 |
| Vabsmax_cont (V) | 100 |
| Current limit (min) (A) | 0.01 |
| Current limit (max) (A) | 500 |
| Overcurrent response | Circuit breaker, current limiting |
| Fault response | Auto-retry, Latch-off |
| Soft start | Adjustable |
| Overvoltage response | Cut-off |
| Features | Fault output, Power good signal |
| Rating | Catalog |
| Device type | eFuses and hot swap controllers |
| Operating temperature range (°C) | -40 to 125 |
| Function | Adjustable current limit, Inrush current control, Overvoltage protection, Power good signal, Short circuit protection |
| VSSOP (DGS) | 10 | 14.7 mm² 3 x 4.9 |