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LM5109A是一款经济高效的高压栅极驱动器,设计用于驱动同步降压中的高端和低端N沟道MOSFET或半桥配置。浮动高侧驱动器能够处理高达90V的轨电压。输出由TTL兼容输入阈值独立控制。强大的电平转换技术可在高速运行,同时消耗低功耗,并提供从控制输入逻辑到高端栅极驱动器的干净电平转换。低侧和高侧电源轨均提供欠压锁定。该器件采用SOIC和热增强型WSON封装。
| Number of Channels (#) |
| Power Switch |
| Bus Voltage (V) |
| Peak Output Current (A) |
| Input VCC (Min) (V) |
| Input VCC (Max) (V) |
| Rise Time (ns) |
| Fall Time (ns) |
| Prop Delay (ns) |
| Iq (uA) |
| Input Threshold |
| Channel Input Logic |
| Negative Voltage Handling at HS Pin (V) |
| Features |
| Rating |
| Operating Temperature Range (C) |
| Package Group |
| LM5109A | LM5102 | LM5104 | LM5105 | LM5107 | LM5109B |
|---|---|---|---|---|---|
| 2 | 2 | 2 | 2 | 2 | 2 |
| MOSFET | MOSFET | MOSFET | MOSFET | MOSFET | MOSFET |
| 90 | 100 | 100 | 100 | 100 | 90 |
| 1 | 2 | 2 | 1.8 | 1.4 | 1 |
| 8 | 9 | 9 | 8 | 8 | 8 |
| 14 | 14 | 14 | 14 | 14 | 14 |
| 15 | 10 | 10 | 10 | 15 | 15 |
| 15 | 10 | 10 | 10 | 15 | 15 |
| 25 | 35 | 35 | 26 | 25 | 25 |
| 10 | 10 | 10 | 10 | 10 | 10 |
| TTL | TTL | TTL | TTL | TTL | TTL |
| TTL | TTL | TTL | TTL | TTL | TTL |
| -1 | -1 | -1 | -1 | -1 | -1 |
| N/A | N/A | N/A | N/A | N/A | N/A |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| SOIC WSON | VSSOP WSON | SOIC WSON | WSON | SOIC WSON | SOIC WSON |