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TDK-Lambda News

4:1 input range 1.5 to 3W DC-DC converters operate at 100% load in +85°C ambient temperatures without airflow

Posted : 03 Mar 2022

TDK Corporation (TSE 6762) announces the introduction of 1.5 and 3W models to the TDK-Lambda CCG series of DC-DC converters which are capable of providing full load in ambient temperatures from -40 to +85°C with convection cooling. In addition to battery powered equipment, applications include process control, data communications, telecommunications and test or measurement related products.

The CCG1R5 (1.5W) and CCG3 (3W) series is available with output voltages of 3.3, 5, 12, 15, ±12 or ±15 and the dual output versions can also be connected to provide a single 24 or 30V supply. All voltages and output power combinations can operate from either a 4.5 to 18V, 9 to 36V or 18 to 76Vdc input.

Single output models can be adjusted using the trim terminal over a -5% to +10% range for non-standard voltages. All models are protected against an over-current condition and the output can be inhibited using the remote on/off function. The input to output isolation voltage is 1,500Vdc.

The CCG1R5 and CCG3 converters share a common plastic case and measure 15.7mm (length) x 10.4mm (width) x 11.5mm (height). A choice of through-hole or surface-mount terminations is available in both power levels. On the highly automated production line utilising X-ray inspection, no encapsulation is used in order to avoid quality risks associated with silicone potting compounds during the customer reflow soldering process.

The full temperature range is -40 to +100°C, with derating above 85°C. Safety certification includes IEC/UL/CSA/EN 62368-1 with CE and UKCA marks to the Low Voltage and RoHS Directives.