- 型号搜索
- 交叉搜索
- 关键词搜索
- 参数搜索
- 库存查询与购买
This webpage doesn't work with Internet Explorer. Please use the latest version of Google Chrome, Microsoft Edge, Mozilla Firefox or Safari.
请输入3个以上字符
The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
请输入3个以上字符
LDO稳压器如何进行过流保护？
如果发生过流，折返功能（foldback）会保护我们的LDO稳压器。
“折返”一词源自保护操作期间折返的输出电流（IOUT）与输出电压（VOUT）曲线形状，如图1所示。
在短路负载条件下，折返会随着VOUT降低的而减小IOUT。当VOUT降至零时，折返会将输出电流保持在一个有限的恒定水平。
当过流状态消失后，VOUT会自动恢复至正常电平。
如果输出引脚上连接了输出电容器或电容性负载，则VOUT会升高，而折返功能会限制IOUT。
关于LDO的过流保护，请参阅
关于其它LDO稳压器，请访问LDO稳压器主页：