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2012-10-09 Power tip: Improving cellphone charger design
Know how to transform the lowly cellphone charger from a clunky wall wart to a device not much larger than a wall plug.
2007-11-26 Power switches cut losses by 500mW
Power switches that increase efficiency and reduce EMI in power supplies have been tipped by Fairchild Semiconductor.
2002-11-13 A 45 Watt Adapter Power Supply
The present application note describes a typical notebook adapter power supply, based on a GreenchipII controller, the TEA1533.
2002-05-16 ON Semi PWM controller reduces EMI
The NCP1205 PWM current-mode controller from ON Semiconductor operates in quasi-resonant valley switching mode to reduce switching frequency, EMI, and turn-on losses, while increasing efficiency.
2008-11-26 Designing NCP1337
NCP1337 is a valley-switching controller offering various features making it ideal to build efficient Quasi-resonant power supplies.
2008-02-21 A 160W CRT TV power supply using NCP1337
ON Semiconductor NCP1337 is a valley switching controller, which eases the design of an EMI-friendly TV power supply with only a few surrounding components.
2016-05-12 Wake up PSR flyback converters
Read about a technique for primary-side regulated flyback converters that speeds up the transient response and reduces the amount of output capacitance that the design requires for good transient response.
2012-03-29 TI's LED driver boasts primary side sensing, PFC
The TPS92310 AC/DC constant current driver for non-dimmable LED lighting that aims to reduce cost and shrinks-to-fit high-power LED retrofit bulbs including A19, PAR30/38 and GU10.
2007-05-29 Power switches improve system reliability
The Green FPS e-Series, a new family of Fairchild Power Switch products provide high energy efficiency and system reliability in DVD player, STB, LCD monitor and other 25W and lower power supply designs.
2012-12-10 Options for powering LED luminaires
Workarounds required to meet the requirements of electromagnetic compatibility can harm the reliability and efficiency of power circuits in LED luminaires.
2007-03-08 NXP launches third-gen GreenChip for SMPS
NXP has launched GreenChip IIIits third generation of energy-efficient ICs for switch-mode power supplies.
2014-08-20 Digital control ushers in a new era of PFC design
Learn how to achieve a high-performance PFC through novel and practical methods for addressing total harmonic injection, individual harmonics magnitude, power factor, efficiency, and total solution cost.
2012-05-16 Controller drives flicker-free LED dimming
Texas Instruments' LM3447 AC/DC LED controller has a dimmer detect, a phase decoder, and adjustable hold current circuits, for constant power regulation and flicker-free dimming operation.
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