Power

Semtech Corp has announced the SC4509, the newest product addition to its handheld power management portfolio. The SC4509 is a step-up converter for white LED backlight applications with an integrated Schottky diode in a 2 x 2 x 0.8mm package. The SC4509 can drive up to five white LEDs in series to provide a tiny solution for small LCD displays. The device’s built-in Schottky diode saves board space and reduces costs while still providing eff...

NEC Electronics Europe today introduced the TO-263-7 PowerMOSFET series as the newest addition to the company’s NP Series of low-voltage power-management devices. As part of the NP Series, the new MOSFET devices feature an innovative fabrication process and advanced packaging solutions designed to reduce leakage current, manage heat dissipation more efficiently and enable one of the industry’s lowest on-state resistances Rds(on), of 1,5 milli...

Zetex Semiconductors has introduced a series of miniature NPN and PNP transistors for MOSFET gate driving in latest generation power supplies. The first bipolars to be provided in the SOT23FF package, with a footprint of 2.5mm x 3mm and an off-board height of just 1mm, the ZXTN and ZXTP transistors offer a lower saturation voltage and higher current gain hold up, leading to improved circuit efficiency and cooler running.

Linear Technology has announced the LTC3541, a 500mA high efficiency, 2.25 MHz, synchronous buck regulator and a 300mA VLDO in a single package. The LTC3541 provides two high efficiency voltage rails from a single input requiring only a single inductor. The synchronous buck regulator delivers up to 95% efficiency, whereas the VLDO output offers very low noise. The input voltage range of 2.7V to 5.5V makes the device ideal for single cell Li-Ion/P...

Ericsson Power Modules’ PMN and PMP series point-of-load modules, based on the latest generation of high dynamic-response control IC with embedded TurboTrans functionalities, are third-generation POLA products. As point-of-load (POL) power modules, they address a wide range of applications – from industry to avionics – including applications in the Information & Communication Technology (ICT) industry.

Texas Instruments Incorporated today introduced a 3ppm/C (max) temperature drift, high accuracy, low cost, CMOS voltage reference family with high output current. The REF50xx features accuracy and system performance levels previously found only in costly buried zener technologies. Although designed for next-generation industrial process control, the REF50xx is also a good fit for a wide range of applications including medical instrumentation, pre...

AnalogicTech has introduced two high-performance charge pump products that enable designers to build dramatically smaller, more feature-rich mobile handsets. The AAT2846 and AAT2856 combine backlight drivers, high-current flash drivers and two general purpose low-dropout (LDOs) linear regulators in a single 4x4mm package.

Power Integrations, the leader in high-voltage analog integrated circuits for power conversion, today introduced a new Power Supply Design Idea (DI-141) based on the company’s highly successful LinkSwitch-XT family that enables anti-tampering protection in electricity meter applications.

Linear Technology has introduced the LT3845, a 4V to 60V input range, synchronous DC/DC step-down controller with adjustable 100kHz to 500kHz operating frequency. At higher frequencies users can implement a smaller inductor and capacitors, or at lower frequencies they can optimize the efficiency of the circuit. For noise- sensitive applications, the LT3845 can be synchronized to an external clock from 100kHz to 600kHz. The minimum 4V input mainta...

Intersil has introduced a family of high efficiency, 2A integrated FET step down DC/DC switching regulators that support wide operating input voltages and can handle transient spikes up to 100V. The ISL8560 supports an input voltage range of 9V to 60V with programmable output voltages from 1.21V to 55V while the ISL8540 has an input voltage range of 9V to 40V with a programmable output voltage range of 1.21V to 35V. This high flexibility makes ...