Constant-current power supply circuit and switching power supply circuit using depletion-mode MOS (Metal Oxide Semiconductor) tube

The utility model belongs to the technical field of constant current source power supplies, and particularly relates to a constant current power supply circuit and a switching power supply circuit using a depletion mode MOS (Metal Oxide Semiconductor) tube. The constant-current power supply circuit...

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1. Verfasser:	DAI DONGPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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creator	DAI DONGPING
description	The utility model belongs to the technical field of constant current source power supplies, and particularly relates to a constant current power supply circuit and a switching power supply circuit using a depletion mode MOS (Metal Oxide Semiconductor) tube. The constant-current power supply circuit comprises a depletion type MOS tube, the drain electrode of the depletion type MOS tube is connected with the positive electrode of a power supply, a resistor R2 is connected between the grid electrode and the source electrode, and the grid electrode serves as the output end of a constant-current source and generates starting voltage. According to the utility model, the constant current source composed of the depletion type MOS tubes is used for replacing a traditional RSTART starting circuit, perfect constant current is designed, it can be ensured that a chip has constant current when working in the whole voltage range, an auxiliary winding can be omitted, and normal working of a system is ensured. 本实用新型属于恒流源电源技术领
format	Patent
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The constant-current power supply circuit comprises a depletion type MOS tube, the drain electrode of the depletion type MOS tube is connected with the positive electrode of a power supply, a resistor R2 is connected between the grid electrode and the source electrode, and the grid electrode serves as the output end of a constant-current source and generates starting voltage. According to the utility model, the constant current source composed of the depletion type MOS tubes is used for replacing a traditional RSTART starting circuit, perfect constant current is designed, it can be ensured that a chip has constant current when working in the whole voltage range, an auxiliary winding can be omitted, and normal working of a system is ensured. 本实用新型属于恒流源电源技术领</description><language>chi ; eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CONTROL OR REGULATION THEREOF ; CONTROLLING ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; PHYSICS ; REGULATING ; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230616&DB=EPODOC&CC=CN&NR=219204369U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230616&DB=EPODOC&CC=CN&NR=219204369U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DAI DONGPING</creatorcontrib><title>Constant-current power supply circuit and switching power supply circuit using depletion-mode MOS (Metal Oxide Semiconductor) tube</title><description>The utility model belongs to the technical field of constant current source power supplies, and particularly relates to a constant current power supply circuit and a switching power supply circuit using a depletion mode MOS (Metal Oxide Semiconductor) tube. The constant-current power supply circuit comprises a depletion type MOS tube, the drain electrode of the depletion type MOS tube is connected with the positive electrode of a power supply, a resistor R2 is connected between the grid electrode and the source electrode, and the grid electrode serves as the output end of a constant-current source and generates starting voltage. According to the utility model, the constant current source composed of the depletion type MOS tubes is used for replacing a traditional RSTART starting circuit, perfect constant current is designed, it can be ensured that a chip has constant current when working in the whole voltage range, an auxiliary winding can be omitted, and normal working of a system is ensured. 本实用新型属于恒流源电源技术领</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONTROLLING</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNirEKwjAUALs4iPoPDycdCtqK0LkoLrVD7Vxi8tRA-hKSF6qrX66Co4PTwd2Nk2dpKbAgTmX0HonB2QE9hOiceYDUXkbNIEhBGDTLm6br7yWGT1LoDLK2lPZWIVR1A4sKWRio7_otGuy1tKSiZOuXwPGM02R0ESbg7MtJMt_vTuUhRWc7DE5IJOSuPGbrIltt8m3Rtvlf0wvpcEsz</recordid><startdate>20230616</startdate><enddate>20230616</enddate><creator>DAI DONGPING</creator><scope>EVB</scope></search><sort><creationdate>20230616</creationdate><title>Constant-current power supply circuit and switching power supply circuit using depletion-mode MOS (Metal Oxide Semiconductor) tube</title><author>DAI DONGPING</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN219204369UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONTROLLING</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</topic><toplevel>online_resources</toplevel><creatorcontrib>DAI DONGPING</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DAI DONGPING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Constant-current power supply circuit and switching power supply circuit using depletion-mode MOS (Metal Oxide Semiconductor) tube</title><date>2023-06-16</date><risdate>2023</risdate><abstract>The utility model belongs to the technical field of constant current source power supplies, and particularly relates to a constant current power supply circuit and a switching power supply circuit using a depletion mode MOS (Metal Oxide Semiconductor) tube. The constant-current power supply circuit comprises a depletion type MOS tube, the drain electrode of the depletion type MOS tube is connected with the positive electrode of a power supply, a resistor R2 is connected between the grid electrode and the source electrode, and the grid electrode serves as the output end of a constant-current source and generates starting voltage. According to the utility model, the constant current source composed of the depletion type MOS tubes is used for replacing a traditional RSTART starting circuit, perfect constant current is designed, it can be ensured that a chip has constant current when working in the whole voltage range, an auxiliary winding can be omitted, and normal working of a system is ensured. 本实用新型属于恒流源电源技术领</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
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subjects	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
title	Constant-current power supply circuit and switching power supply circuit using depletion-mode MOS (Metal Oxide Semiconductor) tube
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