LOW DROPOUT REGULATOR WITH OVER-CURRENT PROTECTION, AND CHIP AND ELECTRONIC DEVICE
A low dropout regulator (LDO) with over-current protection, and a chip and an electronic device. The LDO comprises an LDO main circuit (100), a high-precision current sampling circuit (200), and an over-current protection control loop (300), wherein an output end of the LDO main circuit (100) is con...
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| creator | CHEN, Cheng LIANG, Shengyu WANG, Yongshou |
| description | A low dropout regulator (LDO) with over-current protection, and a chip and an electronic device. The LDO comprises an LDO main circuit (100), a high-precision current sampling circuit (200), and an over-current protection control loop (300), wherein an output end of the LDO main circuit (100) is connected to an input end of the high-precision current sampling circuit (200), an output end of the high-precision current sampling circuit (200) is connected to an input end of the over-current protection control loop (300), and an output end of the over-current protection control loop (300) is connected to both the LDO main circuit (100) and the high-precision current sampling circuit (200), so as to form a closed control loop. When the current of a load exceeds a current-limiting value, the LDO can effectively protect a power tube (MP0) of the LDO main circuit (100) and the load, and a hard shutoff phenomenon of a system may not occur.
Régulateur à faible chute de tension (LDO) pourvu d'une protection contre les s |
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Régulateur à faible chute de tension (LDO) pourvu d'une protection contre les s</description><subject>CONTROLLING</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>GENERATION</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNikEKwjAQAHvxIOofFrxaaKuFXkOymkDJhmXTHEuReBIt1P-jiA_wNMMw64J7SmCYAkUBxkvslRBDcmKBBuRSR2b0AoFJUIsjfwDlDWjrwlew_2Qm7zQYHJzGbbG6Tfcl737cFPszirZlnp9jXubpmh_5NSZqquZUd13TVqo-_ne9AarrMJo</recordid><startdate>20240919</startdate><enddate>20240919</enddate><creator>CHEN, Cheng</creator><creator>LIANG, Shengyu</creator><creator>WANG, Yongshou</creator><scope>EVB</scope></search><sort><creationdate>20240919</creationdate><title>LOW DROPOUT REGULATOR WITH OVER-CURRENT PROTECTION, AND CHIP AND ELECTRONIC DEVICE</title><author>CHEN, Cheng ; LIANG, Shengyu ; WANG, Yongshou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2024188250A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng ; fre</language><creationdate>2024</creationdate><topic>CONTROLLING</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>GENERATION</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN, Cheng</creatorcontrib><creatorcontrib>LIANG, Shengyu</creatorcontrib><creatorcontrib>WANG, Yongshou</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN, Cheng</au><au>LIANG, Shengyu</au><au>WANG, Yongshou</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOW DROPOUT REGULATOR WITH OVER-CURRENT PROTECTION, AND CHIP AND ELECTRONIC DEVICE</title><date>2024-09-19</date><risdate>2024</risdate><abstract>A low dropout regulator (LDO) with over-current protection, and a chip and an electronic device. The LDO comprises an LDO main circuit (100), a high-precision current sampling circuit (200), and an over-current protection control loop (300), wherein an output end of the LDO main circuit (100) is connected to an input end of the high-precision current sampling circuit (200), an output end of the high-precision current sampling circuit (200) is connected to an input end of the over-current protection control loop (300), and an output end of the over-current protection control loop (300) is connected to both the LDO main circuit (100) and the high-precision current sampling circuit (200), so as to form a closed control loop. When the current of a load exceeds a current-limiting value, the LDO can effectively protect a power tube (MP0) of the LDO main circuit (100) and the load, and a hard shutoff phenomenon of a system may not occur.
Régulateur à faible chute de tension (LDO) pourvu d'une protection contre les s</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROLLING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES |
| title | LOW DROPOUT REGULATOR WITH OVER-CURRENT PROTECTION, AND CHIP AND ELECTRONIC DEVICE |
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