IT1396411B1 - Alimentatore con ripple di corrente costante per lampade a led. - Google Patents
Alimentatore con ripple di corrente costante per lampade a led.Info
- Publication number
- IT1396411B1 IT1396411B1 ITVA2009A000069A ITVA20090069A IT1396411B1 IT 1396411 B1 IT1396411 B1 IT 1396411B1 IT VA2009A000069 A ITVA2009A000069 A IT VA2009A000069A IT VA20090069 A ITVA20090069 A IT VA20090069A IT 1396411 B1 IT1396411 B1 IT 1396411B1
- Authority
- IT
- Italy
- Prior art keywords
- power supply
- constant current
- led lamps
- current ripple
- ripple
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITVA2009A000069A IT1396411B1 (it) | 2009-10-30 | 2009-10-30 | Alimentatore con ripple di corrente costante per lampade a led. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITVA2009A000069A IT1396411B1 (it) | 2009-10-30 | 2009-10-30 | Alimentatore con ripple di corrente costante per lampade a led. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITVA20090069A1 ITVA20090069A1 (it) | 2011-04-30 |
| IT1396411B1 true IT1396411B1 (it) | 2012-11-19 |
Family
ID=42167644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ITVA2009A000069A IT1396411B1 (it) | 2009-10-30 | 2009-10-30 | Alimentatore con ripple di corrente costante per lampade a led. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1396411B1 (it) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4450019B2 (ja) * | 2007-07-03 | 2010-04-14 | ソニー株式会社 | 制御装置および制御方法、並びに、面状光源装置および面状光源装置の制御方法 |
-
2009
- 2009-10-30 IT ITVA2009A000069A patent/IT1396411B1/it active
Also Published As
| Publication number | Publication date |
|---|---|
| ITVA20090069A1 (it) | 2011-04-30 |
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