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2-1.LDO稳压器实用功能
负载开关IC包含多种功能，有助于保证系统稳定运行。
| 功能 | 说明 |
|---|---|
| 过流保护 | 此功能限制输出电流，以在LDO稳压器中流过过大电流时（例如，由于VOUT一侧的负载与GND之间短路）保护系统。 |
| 热关断 | 此功能在LDO稳压器产生的热量超过其散热能力时关闭LDO稳压器以保护系统。 |
| 浪涌电流抑制（转换速率控制，软启动） | LDO稳压器导通过程中，此功能缓慢增加输出电压来确保系统稳定运行。 浪涌电流抑制也称为转换速率控制或软启动。 |
| 自动放电 | LDO稳压器关闭时，此功能可使VOUT引脚连接的平滑电容尽快放电，有利于系统电源排序。 |
| 欠压锁定（UVLO） | 当输入电压低于预定阈值时，此功能将关闭LDO稳压器输出，以免系统运行不稳。 |
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