TW200735516A - Soft-switching power converter having power saving circuit for light load operations - Google Patents
Soft-switching power converter having power saving circuit for light load operationsInfo
- Publication number
- TW200735516A TW200735516A TW095108093A TW95108093A TW200735516A TW 200735516 A TW200735516 A TW 200735516A TW 095108093 A TW095108093 A TW 095108093A TW 95108093 A TW95108093 A TW 95108093A TW 200735516 A TW200735516 A TW 200735516A
- Authority
- TW
- Taiwan
- Prior art keywords
- power converter
- switch
- signal
- light load
- soft
- Prior art date
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
A soft switching power converter includes a first switch for switching a transformer to transfer energy. A second switch is equipped to switch energy in a capacitor to the transformer to achieve soft switching for the next switching cycle. A control circuit is coupled to an output of the power converter for generating a first signal and a second signal in response to a feedback signal for regulating the output of the power converter. A first delay time is generated after the first switch is turned off and before the second signal is on. A second delay time is generated after the second switch is turned off and before the first signal is on. The second delay time is increased corresponding to a decrement of the feedback signal under light load conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95108093A TWI313098B (en) | 2006-03-10 | 2006-03-10 | Soft-switching power converter having power saving circuit for light load operations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW95108093A TWI313098B (en) | 2006-03-10 | 2006-03-10 | Soft-switching power converter having power saving circuit for light load operations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200735516A true TW200735516A (en) | 2007-09-16 |
| TWI313098B TWI313098B (en) | 2009-08-01 |
Family
ID=45072714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW95108093A TWI313098B (en) | 2006-03-10 | 2006-03-10 | Soft-switching power converter having power saving circuit for light load operations |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI313098B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI619342B (en) * | 2016-11-07 | 2018-03-21 | 台達電子工業股份有限公司 | Converter and control method thereof |
| TWI802082B (en) * | 2021-11-16 | 2023-05-11 | 國立虎尾科技大學 | Dual mode flyback converter |
| TWI828647B (en) * | 2018-02-02 | 2024-01-11 | 加拿大商推動力股份有限公司 | Active clamp circuit and power apparatus |
| TWI837806B (en) * | 2022-09-05 | 2024-04-01 | 飛宏科技股份有限公司 | Llc resonant converter with variable resonant tank |
-
2006
- 2006-03-10 TW TW95108093A patent/TWI313098B/en active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI619342B (en) * | 2016-11-07 | 2018-03-21 | 台達電子工業股份有限公司 | Converter and control method thereof |
| US10651746B2 (en) | 2016-11-07 | 2020-05-12 | Delta Electronics, Inc. | Synchronous rectifier control for a flyback converter with an active clamp |
| TWI828647B (en) * | 2018-02-02 | 2024-01-11 | 加拿大商推動力股份有限公司 | Active clamp circuit and power apparatus |
| TWI802082B (en) * | 2021-11-16 | 2023-05-11 | 國立虎尾科技大學 | Dual mode flyback converter |
| TWI837806B (en) * | 2022-09-05 | 2024-04-01 | 飛宏科技股份有限公司 | Llc resonant converter with variable resonant tank |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI313098B (en) | 2009-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE325462T1 (en) | SWITCHING POWER SUPPLY | |
| WO2006086022A3 (en) | Dual output switching regulator and method of operation | |
| TW200635192A (en) | Circuit and method for controlling DC-DC converter | |
| WO2012085759A3 (en) | Power converter device for driving solid state lighting load | |
| TW200733533A (en) | Load adaptive power converter | |
| TW200511698A (en) | Power supply having efficient low power standby mode | |
| TW200617631A (en) | Pulse width modulation device employing output voltage feedback hysteresis circuit controlling power saving mode | |
| WO2005089044A3 (en) | Integrated fuel cell controller for devices | |
| TW200636417A (en) | Output current and input power regulation with a power converter | |
| WO2008137656A3 (en) | Power factor correction controller with feedback reduction | |
| WO2007130533A3 (en) | Method and apparatus for improving light load efficiency in switching power supplies | |
| ATE302500T1 (en) | FREE-SWING FLYFLY CONVERTER WITH CURRENT AND VOLTAGE LIMITATION | |
| TW200707177A (en) | Leakage current control circuit with a single low voltage power supply and method thereof | |
| TW200735516A (en) | Soft-switching power converter having power saving circuit for light load operations | |
| TW200711278A (en) | A flexible buck converter to a generate an output voltage higher or lower than an input voltage | |
| TW200717985A (en) | Switching power supply and ZVS method thereof | |
| DE10347193A1 (en) | Switching Power Supply | |
| TW200732880A (en) | Control apparatus of power factor corrector | |
| WO2008087951A1 (en) | Switching power source | |
| WO2009060806A3 (en) | Controller for power converter circuit | |
| TW200715089A (en) | Switching regulator having energy saving circuit and energy saving control method | |
| TW200726047A (en) | Controller having output current control for a power converter | |
| TW200743926A (en) | Switching power converter with transformer arrangement | |
| TW200637106A (en) | Dual output switching regulator and method of operation | |
| TW200715698A (en) | High efficiency buck converter |