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Diodes Incorporated

  • Zetex Technology Park, Chadderton, Oldham
    OL9 9LL,UK
    United Kingdom
  • +44 (0)161 622 4444
  • http://www.diodes.com
  • +44 (0)161 622 4469

Diodes Incorporated Articles

Displaying 241 - 260 of 435
Power
1st July 2014
Controller manages demands of graphic cards

Diodes Incorporated has released a dual-phase synchronous rectified buck controller, optimised for use in high-performance GPU and CPU core power supplies.  Providing PWM video-identification dynamic-output voltage control, the AP3598A assures the fast, high-current response demanded by the inherently large variations in output loading.

Power
26th June 2014
Low voltage DC/DC converter boosts efficiency

Diodes Incorporated has released the PAM2401, a low voltage 1MHz step-up DC/DC converter designed to meet the heightened efficiency demands of portable products including battery backups, cordless phones and GPS receivers.  Maintaining an operational efficiency as high as 95%, this synchronous converter provides true output disconnect to prevent leakage and ensures safe start-up at an input as low as 1V.

Power
23rd June 2014
LDO regulator saves space in portable applications

Diodes Incorporated has announced the introduction of the AP7341, a 300mA-rated low dropout regulator in the miniature DFN1010-4 package. With a tiny 1.0mm x 1.0mm footprint and height of 0.4mm, the device aids the design of high-density circuits in portable products, including smart phones, media players and compact cameras.

Power
18th June 2014
Buck controller optimises notebook performance

The AP3591 single-phase, synchronous step-down controller from Diodes Incorporated is designed to provide enhanced transient response and output accuracy for low-voltage regulation in notebooks and all-in-one PCs. Operating at a resistor-programmed fixed frequency between 100kHz to 700kHz, the device’s adaptive constant-on-time control algorithm is capable of handling very wide input/output voltage ratios and helps reduce external component...

Micros
18th June 2014
Motor Driver Makes Smarter Cooling Systems

By enabling the speed of fans, blowers and extractors to be simultaneously controlled by both PWM and thermistor input signals, the AM4964 motor driver helps create more responsive cooling systems for PCs, servers and industrial instrumentation. A single-phase, full-wave, brushless DC motor driver, the AM4964 operates from a 12V supply and delivers a peak motor current of up to 1A.

Mixed Signal/Analog
13th June 2014
Drive piezoelectric sounders in battery-powered applications

Driving piezoelectric sounders at up to 18Vpp from a 3V power supply, Diodes Incorporated has introduced the PAM8904. Integrating a multi-mode charge pump boost converter, the piezo sounder driver is suited for a variety of battery-powered applications, including medical systems, alarm clocks and security devices.

Power
11th June 2014
Darlington arrays drive big inductive losses

Higher performance, lower cost versions of the industry-standard ULN2000 series of Darlington arrays are now being offered by Diodes Inc. The modules integrate seven open-collector Darlington transistors, each capable of producing a high output current of 500mA, from outputs rated at 50V.

Mixed Signal/Analog
10th June 2014
Devices now offered in industrial temperature ratings

Designed for use in industrial system design in motion control and process automation applications, Diodes Inc's LM2901 quad and LM2903 dual comparators are now being offered in an extended temperature rating. In addition to the comparators, the LM2902 quad and LM2904 dual op amps are also available in an extended temperature rating.

Power
8th May 2014
Comparators for battery-powered portable devices

Suited for use in battery-powered portable devices such as mobile phones and notebook PCs, Diodes has introduced enhanced versions of the popular LMV331 and LMV393 single- and dual-channel comparators. They operate over a low voltage range of 2.7-5.5V and at a typical supply current at 5V of only 40µA for the LMV331 and 70µA for the LMV393.

Power
7th May 2014
Controller designed to meet rigors of high-current PCs

Designed to meet the rigors of high-current desktop PC applications, the AP3585 buck PWM controller series has been launched by Diodes Inc. Producing a continuous current of 25A, the AP3585 devices help simplify the design of distributed power architectures serving memory arrays and graphics processing units.

Power
23rd April 2014
Converter optimises TV & monitor transient response

Designed to optimise transient response in low-voltage TV and monitor applications, the AP65550 synchronous buck converter has been launched by Diodes Inc.  Based on an adaptive constant on-time control algorithm, the 5A-rated AP65550 quickly reacts to rapid changes in load conditions, guaranteeing a minimal drop in output voltage.

Power
9th April 2014
LDO regulator increases design flexibility

The AZ2085 adjustable LDO regulator, from Diodes Inc, has a minimum load current of just 1mA, a maximum of 3A and an adjust pin current of only 6µA which makes the device, the company claims, able to handle a far wider range of applications than alternative DC linear voltage regulators.

Power
31st March 2014
DC/DC buck converters achieve efficiencies up to 96%

Achieving an efficiency as high as 96% while delivering continuous load currents of 4 and 5A, respectively, the AP6550 and AP6540 synchronous DC/DC buck converters have been announced by Diodes Incorporated. The devices are suitable for applications including: gaming consoles; TVs and monitors; set top boxes; distributed power systems; home audio; consumer electronics; network systems; FPGA, DSP and ASIC supplies; and green electronics.

Power
28th March 2014
Voltage reference improves stability & consumption

Introduced to help achieve improvements in both stability and power consumption, the ZXRE330 3.3V shunt voltage reference has been launched by Diodes Inc. Pin compatible with industry-standard parts, the ZXRE330 is offered in surface-mount SOT23 and through-hole TO92 package options.

Optoelectronics
27th March 2014
LED driver reduces dimmable MR16 LED lamp footprints

Featuring boost, buck and voltage-inverting modes, the AL8812 DC/DC converter has been introduced by Diodes Incorporated. The device co-packages a 60V, 3.6A-rated power N-channel MOSFET with all primary functions required by a DC-DC controller, enabling a reduction in form factor of MR16 LED lamp circuits.

Mixed Signal/Analog
25th March 2014
Amplifier supports miniaturization of portable products

Available in a QFN1515-9L package, the 3W mono Class-D audio amplifier from Diodes Inc supports miniaturization of portable products such as MP3 players, tablets and smart phones. Providing two alternative pin-outs to help simplify board layouts, the PAM8013 and PAM8015 each measure just 1.5mm x 1.5 mm x 0.75mm and use a filterless output architecture to minimize the number of external components and total PCB footprint.

Power
20th March 2014
Space-saving packages for regulator transistors

Designed for 48V circuits in networking, telecomms and PoE equipment, Diodes Incorporated announce new space-saving package options for its ZXTR2000 series of high-voltage linear regulator transistors. Device inputs are actually tolerant up to a maximum of 100V, meaning all regulator transistors offer plenty of headroom in the event of transient over-voltage conditions.

FPGAs
20th March 2014
Single-gate logic devices in tiny DFN0808 package

Delivering significant space and weight savings to portable consumer electronic products, such as phones and tablets, Diodes Incorporated introduce two families of single-gate logic parts in one of the world’s smallest packages, DFN0808. The devices feature a 0.8mm square footprint and an off-board height of 0.35mm.

Power
19th March 2014
60V MOSFET for cellphones and ultra-thin LCD TVs

With a footprint measuring 1.6x1.6mm and a typical height of 0.5mm, Diodes Incorporated has introduced what they claim to be the world’s smallest 60V N-channel power MOSFET with an on-resistance of less than 100mΩ. The DMN6070SFCL helps achieve higher power densities in space-critical products, such as cellphones, ultra-thin LCD TVs and hand-held gaming controls.

Power
14th March 2014
Programmable DC/DC converter reduces solution size

The AP3440 is a PWM synchronous buck DC/DC converter suited for low-voltage, high-density power systems. Introduced by Diodes Incorporated, the converter's switching frequency is programmable from 0.2-2MHz, enabling a reduction in the size of external inductors and capacitors and simplification of power supply design.

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