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Two-channel ideal diode

LINEAR Technology, represented in Australia by Soanar , has released the LTC4413 two-channel ideal diode designed to reduce heat, voltage drop and board space as well as preserve battery life.

It is suitable for applications that require an ideal diode OR function for load sharing or automatic switchover between two input power sources. It has several intelligent circuits and has control access to each ideal diode. This allows for adjustment of the switchover voltage and indicates whether the selected ideal diode is conducting.

The LTC4413 also offers current limit and thermal protection as well as slow turn-off to protect against voltage spikes. A thermally-enhanced 3mm x 3mm DFN package permits each channel to deliver up to 2.6A from an input supply ranging from 2.5V to 5.5V. It has a forward voltage of 80mV at 500mA and 210mV at 2A, and 1μA of leakage current. It is designed for use in handheld products and systems with a USB interface or backup batteries.

The LTC4413 contains two 100mΩ P-channel MOSFETs. Quiescent current is less than 40μA for output currents up to 1A. If either of the output voltages exceeds their respective input voltages, that MOSFET is turned off and less than 1μA of reverse current will flow from out to in. Maximum forward current in each MOSFET is limited to a constant 2.6A and internal thermal limiting circuits protect the part during fault conditions. A 9μA open-drain stat pin indicates conduction status of the selected channel and can also be used to drive an external P-channel MOSFET to control a third alternate power source. The LTC4413 is rated for operation from -40°C to 85°C and is housed in a 10-lead 3mm x 3mm DFN.

Soanar - Electronic Component & Supply Chain Solutions News

Osram MultiLEDs available from Soanar (4-Dec-2008)
Osram Opto Semiconductors have launched two new MultiLEDs for different LED video displays, which are available from Soanar. The new MultiLED in the jet black package has been developed specially for high-resolution displays.

Soanar distribute Ceramos and Oslux LED from Osram (3-Dec-2008)
The new generation of Ceramos and Oslux LED flash products from Osram Opto Semiconductors, distributed by Soanar, are twice as bright as their predecessors. The brightest LED without a lens for flash photography is the Ceramos.

Harting’s crimp version HC 350 high voltage contacts available from Soanar (2-Dec-2008)
HARTING, distributed in Australia and New Zealand by Soanar - Electronic Component & Supply Chain Solutions, have extended the Han Connector product range, the HC 350 contact, which comes with a rating up to 350 Amps, 2Kv and 4Kv with an adaptor.

New Bus coupler for modular, decentralised LioN-Link System with PROFINET Interface available from Soanar (7-Nov-2008)
Lumberg Automation, represented in ANZ by Soanar, have developed a new bus coupler with PROFINET interface for the modular, decentralised LioN-Link system. This bus coupler has an integrated switch which enables PROFINET network wiring in PROFIBUS network line topology.

HARTING’s new range of telecom solutions for outdoor environments available from Soanar (6-Nov-2008)
HARTING, whose products are distributed in ANZ by Soanar, have extended the Han Connector product range that includes the integration of the standard LC fibre optic connectors both in single mode and multi mode. These products meet the demands set by harsh outdoor environments.

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