Power

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DC/DC Controller Drives N-Channel MOSFETs

DC/DC Controller Drives N-Channel MOSFETs
Linear Technology has introduced the LTC3822, a 2.75V to 4.5V input synchronous step-down DC/DC controller that drives N-channel MOSFETs without requiring an external supply for gate drive. In addition, the LTC3822 eliminates the need for a sense resistor by using MOSFET RDS(ON) sensing current, which improves efficiency and reduces solution cost.
22nd February 2007

Ultra-small power ICs available in SO-8 packaging

Power Integrations has announced that all members of its LinkSwitch TN, -LP and -XT families of ICs are now available in SO-8 packaging, enabling emerging applications such as LED lightbulbs and miniature chargers.
22nd February 2007

Ultra-small power supplies help designers deliver energy-efficient LED alternatives

Power Integrations has introduced a reference design kit (RDK-131) for ultra-small power supplies that helps designers deliver energy-efficient LED alternatives to incandescent lights. The kit helps designers produce a power circuit that fits inside the LED lightbulb socket, and also ensure that their incandescent-replacement LED lightbulbs will pass EMC requirements for conducted and radiated electrical noise.
22nd February 2007


Vicor Expands the Family of Mid-Power 24 Vin Mini Modules

Vicor Expands the Family of Mid-Power 24 Vin Mini Modules
Vicor Corporation announces the addition of nine mid-power Mini DC-DC converters to the 24Vdc input family: a 100W model at 3.3Vout, 150W models at 5, 12, 15, 24, 28, 36, and 48Vout. A 200W model at a new standard 36V output has also been added. The modules — which incorporate Vicor’s patented low-noise Zero-Current and Zero-Voltage Switching (ZCS/ZVS) — can be used as a cost-effective option in a variety of applications, including industrial or process control, distributed power, medical, ATE, communications, defence, and aerospace. Low-noise ZCS/ZVS greatly reduces the design effort and filtering costs required for power converters to meet agency conducted emissions requirements.
20th February 2007

LEM introduces compact, high performance current transducer for 400ARMS

LEM introduces compact, high performance current transducer for 400ARMS
LEM has introduced the LA 306-S, a panel-mounted current transducer for the measurement of currents up to 400 ARMS (@ +70°C) or 300 ARMS (@ +85°C). The unit offers the high performance of a closed-loop current transducer at a very competitive price.
20th February 2007

Latest PULS DIN-Rail PSU Offers 50% More Power

Latest PULS DIN-Rail PSU Offers 50% More Power
PULS, the global technology leader in DIN-rail power supplies, announces the latest addition to its premium range of DIN-Rail power supplies. The Dimension Q-Series now includes the QS10.241 wide input range, 24VDC, 10A output power supply requiring only 60mm of mounting space.
19th February 2007

TI Power Converter Boosts Battery Life in Portable Medical and Industrial Systems

TI Power Converter Boosts Battery Life in Portable Medical and Industrial Systems
Texas Instruments Incorporated introduced today a highly integrated boost converter that supports 27-V of output voltage and improves battery life in portable industrial and medical applications, such as portable diagnostic systems.
15th February 2007

Microchip Introduces Next-Generation Energy Measurement Solution

Microchip Introduces Next-Generation Energy Measurement Solution
Microchip announces the MCP3909 energy-measurement IC and reference design. The new IC combines low power consumption with an SPI interface and active power pulse output. As a part of the MCP3909 3-Phase Energy Meter Reference Design, the new IC enables designers to rapidly develop new meter designs.
15th February 2007

Quad Under-and-Over Voltage Monitor for Positive & Negative Supplies Offers Versatility & Precision

Quad Under-and-Over Voltage Monitor for Positive & Negative Supplies Offers Versatility & Precision
Linear Technology has introduced the LTC2914, a precision quad input voltage monitor with four separate undervoltage (UV) and overvoltage (OV) inputs, designed for systems with multiple supplies. The IC offers a versatile and precise solution for voltage monitoring by giving the user the flexibility to configure specific UV and OV trip thresholds, while also guaranteeing ±1.5% threshold accuracy of the monitored voltages over temperature. A buffered reference output and a three-state input polarity-select pin allow for monitoring of up to two separate negative voltages without the need of any external components, greatly simplifying both design and layout. All monitors share common undervoltage and overvoltage open-drain outputs that can be wired-OR'd together to indicate a single fault. The LTC2914-1 has latching capabilities for the overvoltage output, and the LTC2914-2 has an output disable feature to facilitate margining.
15th February 2007

SOLID STATE SUPPLIES CUT LEAD TIMES WITH MILITARY STOCKPILE

SOLID STATE SUPPLIES CUT LEAD TIMES WITH MILITARY STOCKPILE
While many “stock items” disappear from warehouse shelves, Solid State Supplies are increasing their stock of the more popular International Rectifier ruggedized hybrid DC-DC converters previously built by M-3 and Advanced Analog.
15th February 2007


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