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DC/DC convertors offer high efficiency

A TDK-Lambda UK product story
Edited by the Electronicstalk editorial team Sep 3, 2007

The iQE family is compatible with all cooling strategies, including contact, convection and forced air, with an operating temperature range of -40C to +125C.

The TDK Innoveta iQE series of quarter brick DC/DC convertors from Lambda responds to the ever increasing demand for improved efficiency under all normal operating load conditions.

With a range of output voltages from 3.3 to 15V, these DC/DC convertors are suitable for engineers seeking excellent efficiency and optimal thermal performance for 24V and 48V power architectures in many applications within the industrial, telecommunications, data communications, access and wireless markets.

Lambda's single-output iQE series is rated at up to 204W, and offered with two input voltage ranges - either 18 to 36V or 36 to 75V.

The iQE converters offer efficiency ratings as high as 94%.

The efficiency curve remains high and flat, staying at more than 91% efficiency under a 25% to 100% load.

Throughout the open frame, single board construction, particular attention has been made to the overall thermal design including component height, location and orientation.

As a result, the iQE family is compatible with all cooling strategies, including contact, convection and forced air, and offers outstanding thermal performance for cooler operation over its operating temperature range of -40C to +125C.

The low component count on the iQE series together with the planar magnetics provide reliability and a cost-effective solution.

The iQE series from Lambda features industry-standard DOSA compatible pin out and quarter brick footprint, fixed frequency operation at 300kHz and low noise output for powering a broad range of applications including RF, DPA, POLs, FPGA, ASIC, DSP, Microprocessors, access, optical and industrial loads.

Further, the input is fully isolated from the output, adding to the iQE's versatility by allowing different output polarity and grounding connectivity.

Standard features include remote sense, remote on/off, and auto recovery of input under voltage, output over voltage, output over current and over temperature protection circuitry.

Positive polarity on/off is offered as an option.

iQE convertors are approved to a wide range of national and international standards, including UL, CSA, VDE and CE, making it simple for users to obtain regulatory approval for equipment which incorporates them.

With the addition of a few extra components, the units will also comply with EMC regulations to EN55022 Class A/B.

In addition, Lambda's entire iQE series quarter brick family is RoHS-compliant as standard.

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