Power

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1A Synchronous Buck Regulator for Portables

1A Synchronous Buck Regulator for Portables
Semtech has announced the SC194A, a highly integrated 1A DC-DC step-down (buck) regulator with the small size and output flexibility needed for portable device applications. The SC194A has an input voltage range from 2.7V to 5.5V with a focus on portable applications that use Li-ion batteries. The device uses two programming pins to allow users to set the output voltage to 1.0V, 1.2V, 1.5V or 1.8V. These pins can be hard-wired to set a constant voltage, or they can be tied to a microcontroller and dynamically switched for applications that use digital power control.
6th July 2006

Wide Variety of Medically Approved Power Supplies from Powersolve

Wide Variety of Medically Approved Power Supplies from Powersolve
Powersolve has announced a wide selection of external power supplies designed specifically for use with medical equipment. Made up of five product families, the new medically approved power supplies all meet UL, cUL2601-1 and EN60601-1 safety approvals and EMC standards to EN55011 or EN55022 “B” and FCC”B”.
3rd July 2006

Rugged 70W-150W DC/DC Converters Feature Wide Input Voltage Ranges

Rugged 70W-150W DC/DC Converters Feature Wide Input Voltage Ranges
Schaefer, Inc. has introduced the IEXR and IEHR Series’ of rugged 70W-150W dc/dc converters, which are ideal for a variety of applications, including process control, instrumentation and industrial installations.
2nd July 2006


Miniature Encapsulated AC/DC Power Modules Suit a Wide Range of Applications

Miniature Encapsulated AC/DC Power Modules Suit a Wide Range of Applications
Powersolve announces TRACOPOWER’s TMT series of ultra-compact AC/DC power modules with approvals that make them suitable for a wide range of commercial, industrial and medical applications.
29th June 2006

1200V/15A NPT-Trench IGBT can withstand as much as 300mJ

1200V/15A NPT-Trench IGBT can withstand as much as 300mJ
Fairchild Semiconductor has introduced a 1200V/15A NPT-Trench IGBT with the ability to withstand as much as 300mJ of avalanche energy in induction heating (IH) applications. This excellent avalanche capability helps ensure “rugged” fail-safe operation of the system during abnormal avalanche-mode conditions that commonly affect IH appliances such as microwave ovens
28th June 2006

1W DC/DC Converters with 3-kV Isolation from TI

1W DC/DC Converters with 3-kV Isolation from TI
Texas Instruments has introduced a 1-W, unregulated DC/DC converter in a miniature package that features 3-kV isolation. The new DCH01 family of plug-in power modules operates from a 5-V input and provides single voltages of 5 V, 12 V, and 15 V and complementary dual-output voltages of ±5 V, ±12 V and ±15 V. The tiny modules are ideal for industrial applications such as data acquisition, motor control, programmable logic control, test and measurement, medical instrumentation and professional audio.
28th June 2006

Step-down converter has fast transient response to meet strict GSM specs

Step-down converter has fast transient response to meet strict GSM specs
The power supply supporting a GSM handset baseband chipset must wake up to full load within microseconds. By integrating a fast transient 600mA step-down converter and a 300mA LDO, AnalogicTech’s AAT2505 forms a complete high-performance power supply solution for GSM handset baseband core and I/O.
27th June 2006

RoHS-Compliant DC/DC Input Filter

RoHS-Compliant DC/DC Input Filter
Power-One has introduced the F4804A input filter. This RoHS-compliant product is designed to minimize the conducted and radiated emissions generated by switch-mode DC-DC converters to facilitate meeting FCC and EN55022 Class B conducted emissions requirements. When compared to previous generation F4804 products, the F4804A offers increased common-mode attenuation, improved elevated-ambient-temperature performance, and a lower-profile package.
26th June 2006

High-Voltage IC for Resonant Half-Bridge Topology

High-Voltage IC for Resonant Half-Bridge Topology
STMicroelectronics has introduced an advanced double-ended controller specifically designed for the series-resonant half-bridge topology. The new-generation high-voltage IC is said to guarantee excellent performance, allowing the design of fully protected and highly reliable power supplies that are particularly suited for use in applications such as Liquid Crystal Display (LCD) and Plasma Display Panel (PDP) TVs, high-end AC-DC adapters for laptops and game consoles, 80+ initiative-compliant ATX silver boxes, servers and telecom SMPS.
22nd June 2006

0.9V-White LED Driver Requires Just One External Component

PREMA has introduced a white LED driver designed for a variety of applications. The core of the new driver PR4401 consists of a step-up converter with current output, that provides an output voltage of typically 3.6V for white LEDs. The input voltage can be as low as 0.9V, thus allowing a single cell battery operation.
21st June 2006


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