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Power Supply ICs and Controllers
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Perfect score for environmental management system
Zero-zero outcome is real confirmation of Zetex' long-standing commitment and responsible attitude towards the impact of its activities, products and services on the environment.
News from Zetex (18 March 2008)
Fractional charge pump boosts LED drive efficiency
The CAT3637 is optimised for applications with one bank of five or six identical LED channels, a typical configuration for larger LED screen portable products.
News from Catalyst Semiconductor (14 March 2008)
Step-down DC/DC controller is most frugal
Drawing only 30uA in sleep mode, the LTC3834/-1 is ideal for preserving battery energy in "always-on" automotive systems or battery-powered devices. Brochure available
News from Linear Technology Corp (14 March 2008)
DC/DC convertors shrink to chip-scale packages
More compact packaging option also reduces noise compared with traditional packaging with bond wires.
News from Advanced Analogic Technologies (14 March 2008)
Power devices don low-profile packages
Package exhibits the same low thermal impedance as the traditional TO-220, yet stands less than 10mm above the PCB - half the height of the 45-year-old package design. Brochure available
News from Power Integrations (12 March 2008)
Load switches offer multiple slew-rate options
The FPF1007-9 family features slew-rate times of 10us, 80us and 1ms, providing the designer flexibility in choosing the slew rate that best fits their application.
News from Fairchild Semiconductor (12 March 2008)
White LED driver integrates audio circuitry
Device combines a negative charge pump with a fully differential bridged audio amplifier and two low-noise low-dropout current regulators.
News from Maxim Integrated Products (11 March 2008)
Building blocks create multiphase power systems
Power stage is optimised for very low EMI, eliminating the need for power-hungry external snubber circuits in EMI-sensitive designs such as consumer game consoles.
News from International Rectifier (11 March 2008)
MOSFET driver goes high and low
Hgh-speed high-input-voltage synchronous MOSFET driver powers upper and lower power N-channel MOSFETs in synchronous rectified convertor topologies. Brochure available
News from Linear Technology Corp (10 March 2008)
Power management IC manages car accessories
MOST technology allows a range of multimedia devices, such as CD or DVD players, car radios and personal navigation devices, to be added to a car with minimal effort.
News from STMicroelectronics (10 March 2008)
Buck regulators on track for sequencing
Dual-output PWM buck regulators integrate MOSFETs that deliver 2 or 3A output current for a variety of consumer applications.
News from ON Semiconductor ( 7 March 2008)
LED driver allows channel adjustment
Each of the A6285's 16 channels individually adjusted from 0 to 100% of the maximum value via the dot correction register.
News from Allegro MicroSystems Europe ( 6 March 2008)
LED driver cuts external component count
The SP6887 is compatible with PWM dimming up to 1kHz and analogue dimming and can enable/dim individual LEDs through a 3bit parallel interface.
News from Exar ( 4 March 2008)
Rectifier module is ready for next Energy Star
Highly integrated synchronous rectifier module increases power efficiency, system ruggedness and space efficiency in power supply designs.
News from Fairchild Semiconductor ( 3 March 2008)
Driver deals with heavyweight MOSFETs
High-speed synchronous MOSFET driver is designed to drive upper and lower N-channel power MOSFETs in a synchronous rectified convertor topology. Brochure available
News from Linear Technology Corp ( 3 March 2008)
Compact convertor delivers four independent rails
Quad-channel high-efficiency 2.25MHz synchronous buck convertor provides dual 600 and dual 400mA continuous outputs from a 3 x 3mm QFN package. Brochure available
News from Linear Technology Corp (29 February 2008)
Controllers boast better than 95% efficiency
Devices simplify designs and reduce costs by eliminating the need for separate controller and high-voltage MOSFET driver components for secondary synchronous rectification.
News from Vishay Siliconix (28 February 2008)
Programmable controller eases PSU design
Digital PWM power control and management device allows designers to configure system power-supply parameters in a matter of minutes using an intuitive interface.
News from Analog Devices (26 February 2008)
Nonsynchronous buck regulator claims top accuracy
Regulator is ideal for use in systems deriving power off loosely regulated secondaries from isolated supplies commonly used in industrial systems.
News from Exar (26 February 2008)
Power supply designs are available online
Designers can download three new Design Ideas from the Power Integrations website all aimed at energy-efficient LED lighting applications. Brochure available
News from Power Integrations (22 February 2008)
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