Offering sharper triggering than Zener diodes or varistors to provide a superior protection solution, Diodes Incorporated introduces an AEC-Q101 qualified ESD and surge protector. According to the manufacturer, the D24V0L1B2LPSQ offers improved protection, greater reliability and easier inspection during manufacturing, when compared to Zener-based and varistor devices.

  A constant-frequency, voltage-mode, external-compensation boost controller has been introduced by Diodes Incorporated. The AL3022 is suitable for TV and monitor manufacturers needing a cost-effective solution for driving LED backlights in 14-42" LCD panel designs.

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.

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.

Optimising the design of sub-12W triac dimmer-compatible LED lamps, the AP1695 LED lamp driver from Diodes Incorporated features a 1-100% dimming range and reduces BOM costs by up to 30%. The single-stage driver integrates a 500V MOSFET and employs PFM technology to tightly regulate output current up to a maximum of 230mA.

  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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

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.

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.