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SGS Thomson Microelectronics
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| Part No. |
AN1440
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| OCR Text |
l6561 AND THE L5991A
by C. Adragna
This note describes an 80 W, wide-range mains, power-factor-corrected AC-DC adapter. Its electrical specification is tailored on a typical hi-end portable computer power adapter. The peculiarity of thi... |
| Description |
80W POWER-FACTOR-CORRECTED AC-DC ADAPTER WITH STANDBY USING THE l6561 AND THE L5991A
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| File Size |
241.58K /
14 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN993
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| OCR Text |
l6561
by F. Sandrini & U. Moriconi
The advent of dedicate IC for lamp ballast applications is replacing the old solutions based on bipolar transistor driven by a saturable pulse transformer. The L6574 is a high performance ballast drive... |
| Description |
ELECTRONIC BALLAST WITH PFC USING L6574 AND l6561
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| File Size |
148.52K /
20 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN1089
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| OCR Text |
...n note control loop modeling of l6561-based tm pfc by claudio adragna this paper provides a model and a tool for evaluating and improving the control loop characteristics of l6561-based pfc preregulators in boost topology and operated in tr... |
| Description |
CONTROL LOOP MODELING OF l6561-BASED TM PFC
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| File Size |
106.45K /
12 Page |
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ST Microelectronics
SGS Thomson Microelectronics
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| Part No. |
AN1007
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| OCR Text |
...ch 1998 an1007 application note l6561 - based switcher replaces mag amps in silver boxes by claudio adragna mag amps (a contraction of "magnetic amplifier") are widely used in multi-output switching power supplies to get auxiliary regulated... |
| Description |
l6561 - BASED SWITCHER REPLACES MAG AMPS IN SILVER BOXES
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| File Size |
65.53K /
6 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN1059
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| OCR Text |
l6561-based flyback converter can assume have been identified. they are illustrated in fig. 1. configurations a) and b) are basically conventional flyback converters. the former works in tm (transi- tion mode, i.e. on the boundary between c... |
| Description |
DESIGN EQUATIONS OF HIGH-POWER-FACTOR FLYBACK CONVERTERS BASED ON THE l6561
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| File Size |
185.17K /
20 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN1060
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| OCR Text |
...is is particularly true for the l6561, pfc controller for medium-low power applications, because of its peculiar characteristics. reference [2] presents a special example showing how to extend the use of this device to mag amp ap- plication... |
| Description |
FLYBACK CONVERTERS WITH THE l6561 PFC CONTROLLER
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| File Size |
93.36K /
11 Page |
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SGS Thomson Microelectronics
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| Part No. |
AN966
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| OCR Text |
...2001 ? an966 application note l6561, enhanced transition mode power factor corrector by claudio adragna the tm (transition mode) technique is widely used for power factor correction in low power appli- cations, such as lamp ballasts or lo... |
| Description |
l6561, ENHANCED TRANSITION MODE POWER FACTOR CORRECTOR
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| File Size |
167.32K /
20 Page |
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