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Power Management
Bridgeless PFC Boosts Low-Line EfficiencyWide input-voltage range power factor correction (PFC) converters present some of the most difficult component challenges in ac-dc power electronics....
Power ICsConstant-Power Driver is Simple and EfficientActuators and sensor systems sometimes include a resistive load that requires a controllable, constant-power drive... Feedback Circuit Improves Hysteretic ControlThe hysteretic power supply is simpler than the voltage- or current-mode closed-loop-control dc-dc switchers, although its simplicity may be a bit deceiving...
PWM ControllersBridgeless PFC Boosts Low-Line EfficiencyWide input-voltage range power factor correction (PFC) converters present some of the most difficult component challenges in ac-dc power electronics.... Generate Auxiliary Voltages at Low CostWhen a switching regulator generates the main output voltage, additional regulated outputs may be added using various configurations of coupled inductor or charge-pump circuits....
Digital Power ControlPMBusTakes Command of Data Center Power IssuesPMBus-capable server power supplies, in conjunction with system-level and data center-level management applications, can lower system operating costs, improve data center efficiency and increase system densities ... An Analog-Friendly Approach Simplifies Digital CompensationCompensation of switching power supplies is an essential element of proper and robust power design...
Power Management NewsSemiconductor Industry Legend RetiresOn Monday, International Rectifier announced that the company’s founder Eric Lidow will retire from his position as chairman... Switching Regulators Replace 1-A LinearsPin-compatible with 78xx linear regulators, V-Infinity’s V78XX-1000 series of 1-A switching regulators deliver efficiencies of up to 95%... Boost Controller Supports Industrial LED LightingWith its wide, 4.5-V to 52-V voltage range, Texas Instruments’ TPS40211 nonsynchronous boost controller enables designers to efficiently manage LED lighting, industrial control and battery-powered systems. The chip is capable of driving 1-W to 5-W high-brightness LEDs... PWM Controller Creates Scalable DesignsIntersil’s ISL8120 dual-output or variable-phase PWM controller combines a wide input- voltage range, current sharing and variable phase shifting to create a highly scalable controller design...
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Most Popular ArticlesNews From PETech TimesPower-One Wins Permanent Injunction Against ArtesynAudax Group Acquires AstrodyneManufacturers Co-develop Electrodes for Li-ion Car BatteriesSemiconductor Industry Legend RetiresCompany Will Supply Components For 3-MW Wind Turbines
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April 2008
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Power Management NewsSemiconductor Industry Legend RetiresSwitching Regulators Replace 1-A LinearsBoost Controller Supports Industrial LED LightingPWM Controller Creates Scalable Designs28-V Battery Charger Is Small and SafeMore Articles |
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