Power

Linear Technology’s new LT8309 is a flyback secondary-side synchronous rectifier driver that replaces the output diode with a MOSFET, allowing up to 10A output current without the use of a heat sink. The maximum output current of a flyback power supply has been limited by the power loss and heat generated from the output diode when no heat sink is used.

The JSF series of single output enclosed switched mode power supplies from Stadium Power, a UK based provider of power supply solutions, is able to offer a compact and low cost power supply with a high operating temperature up to 70°C for industrial, instrumentation, telecoms and IT systems.

International Rectifier has introduced a rugged, reliable ultra-fast 1400V Trench Insulated Gate Bipolar Transistor (IGBT) optimised for soft switching applications including induction cooktops and microwave ovens.

Murata has unveiled the UEE series of 150 Watt isolated DC-DC converters from Murata Power Solutions. Designed for intermediate bus and distributed power architectures and packaged in an industry standard eighth brick format, these DOSA compliant converters measure just 58.4 x 22.9 x 10.7 mm and are available with either mounting pins or as a surface mount device.

Intersil Corporation has announced the ISL85410 and ISL85418 synchronous buck regulators that are intended for complex industrial and medical systems. These new regulators have been designed to efficiently down-convert the DC voltage from a power supply or battery to power multiple microprocessors and board components, at various voltage requirements.

Microchip is expanding its 8-bit PIC microcontroller (MCU) portfolio with the PIC12(L)F157X family, which features multiple 16-bit PWMs with an assortment of analogue peripherals and serial communications in an 8-pin package. These MCUs deliver three full-featured 16-bit PWMs with independent timers, for applications where high resolution is needed, such as LED lighting, stepper motors, battery charging and other general-purpose applications.

Diodes Incorporated has introduced a pair of synchronous DC/DC buck converters for use in applications such as monitors, TVs and STBs. The AP65500 and AP65400 deliver continuous load currents of 5A and 4A respectively, 7A peak, at an efficiency as high as 96%. The devices operate at a switching frequency of 340kHz and incorporate a light-load efficiency improvement algorithm that maintains the devices’ low-loss performance across a wide load range.

XP Power has announced the HHP650 series of fan-cooled rugged AC-DC power supplies designed for heavy-use industrial applications where a more robust unit is required. These single output 650 Watt units can accommodate the extended voltage input range from 85 – 305 VAC, and can deliver up to 780 Watt at high line input.

Ericsson Power Modules has introduced a new DC/DC converter module designed to power radio-frequency power amplifier (RFPA) applications. The PKU4116C module offers greater flexibility with an ultra-wide adjustable output voltage from 10V to 33 and meets specifications as defined by the Antenna Interface Standards Group (AISG), which mandates a 10–30V input voltage range to power active RF antennas and base stations.

Murata Power Solutions has unveiled the NCS1 series of regulated single output 1 Watt DC-DC converters. The series comprises two input voltage versions accommodating the wide 4:1 input range of 4.5 – 18 VDC around a 12 VDC nominal, or 9 – 36 VDC around a 24 VDC nominal. Output voltage options, regulated to within +/- 0.5% of stated output, are 3.3, 5, or 12 VDC.