Diodes Incorporated

Address:
Zetex Technology Park,
Chadderton,
Oldham



OL9 9LL,UK
United Kingdom

Phone: +44 (0)161 622 4444

Fax: +44 (0)161 622 4469

Web: www.diodes.com


Diodes Incorporated articles

Displaying 1 - 172 of 172

Primary-side switchers cut cost & improve efficiency

Primary-side switchers cut cost & improve efficiency
Designed to improve power supply efficiency and performance in 5.5W chargers, ADSL adapters and home appliance supplies, Diodes Incorporated introduces an off-line, side-switching controller. The AP3988 regulates output voltage using piece-wide pulse frequency modulation, in which analogue levels are represented as fixed-duration pulses of varying repetition rate.
5th September 2014

Logic family expanded with 13 octal devices

Logic family expanded with 13 octal devices
A low-voltage CMOS logic family, available in QFN and TSSOP 20-pin packages, has been expanded with the addition of octal devices. Thirteen 8-channel logic parts, from Diodes Inc, have been introduced, suitable for data bus applications in a wide range of consumer electronics and data communication products.
26th August 2014

Taking back the power

Taking back the power
  PMICs (Power Management Integrated Circuits) ease the power burden and streamlining power design in smart phones and ultra portable PCs. By Dave Blissett, Smart Energy/Home Automation specialist, Ismosys.
8th July 2014


Load switch safeguards USB ports

Load switch safeguards USB ports
The AP22802 single channel load switch from Diodes Incorporated ensures complete protection for interconnects subject to the risk of surges and short circuits. Optimised for regular USB and other hot-swap applications, this highly integrated device is provided in the small form factor SOT25 package, offering a footprint of only 9mm2.
1st July 2014

Controller manages demands of graphic cards

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.
1st July 2014

Low voltage DC/DC converter boosts efficiency

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.
26th June 2014

LDO regulator saves space in portable applications

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.
23rd June 2014

Buck controller optimises notebook performance

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 counts.
18th June 2014

Motor Driver Makes Smarter Cooling Systems

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.
18th June 2014

Drive piezoelectric sounders in battery-powered applications

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.
13th June 2014

Darlington arrays drive big inductive losses

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.
11th June 2014

Devices now offered in industrial temperature ratings

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.
10th June 2014

Comparators for battery-powered portable devices

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.
8th May 2014

Controller designed to meet rigors of high-current PCs

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.
7th May 2014

Converter optimises TV & monitor transient response

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.
23rd April 2014

LDO regulator increases design flexibility

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.
9th April 2014

DC/DC buck converters achieve efficiencies up to 96%

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.
31st March 2014

Voltage reference improves stability & consumption

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.
28th March 2014

Amplifier supports miniaturization of portable products

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.
25th March 2014

Space-saving packages for regulator transistors

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.
20th March 2014


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