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Saturday 26 May 2012
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Power Supplies
TDK- Lambda medical supplies are convection cooled
Thursday 8 December 2011
TDK-Lambda’s latest digitally-controlled, AC-DC medical power supply is available in convection and fan cooled versions.
When convection cooled, the CFE400M is rated at 300W for operating temperatures up to 40°C (250W at 50°C); when fan cooled – either integral quiet fan or customer air (1.5 m/s) – the power supply is rated at 400W up to 50°C.
The CFE400M also has a 450W peak power for up to 10 seconds, for both cooling options.
The interleaved boundary mode boost converter, where the two converters operate at 180 degrees to each other, is designed to reduce the current through each PFC choke and reduces the ripple current in the boost capacitor – this in turn reduces the temperature of the boost capacitor and increases its life.
Available in field adjustable 12V, 24V and 48Vdc versions with a 12Vdc / 0.25A fan supply, the CFE400M has a 5V/100mA standby power output or a 5V/2A option.
The 100mA option meets the ErP Directive with less than 0.5W standby power consumption and all models meet or exceed Climate Savers Silver level.
Combining a 4kVac reinforced input-to-output isolation with dual fusing and an output-to-ground isolation of 1500Vac, the CFE400M meets IEC/EN/UL/CSA 60601-1 Ed 2 & 3 safety approvals for medical equipment.
www.uk.tdk-lambda.com/cfe
When convection cooled, the CFE400M is rated at 300W for operating temperatures up to 40°C (250W at 50°C); when fan cooled – either integral quiet fan or customer air (1.5 m/s) – the power supply is rated at 400W up to 50°C.
The CFE400M also has a 450W peak power for up to 10 seconds, for both cooling options.
The interleaved boundary mode boost converter, where the two converters operate at 180 degrees to each other, is designed to reduce the current through each PFC choke and reduces the ripple current in the boost capacitor – this in turn reduces the temperature of the boost capacitor and increases its life.
Available in field adjustable 12V, 24V and 48Vdc versions with a 12Vdc / 0.25A fan supply, the CFE400M has a 5V/100mA standby power output or a 5V/2A option.
The 100mA option meets the ErP Directive with less than 0.5W standby power consumption and all models meet or exceed Climate Savers Silver level.
Combining a 4kVac reinforced input-to-output isolation with dual fusing and an output-to-ground isolation of 1500Vac, the CFE400M meets IEC/EN/UL/CSA 60601-1 Ed 2 & 3 safety approvals for medical equipment.
www.uk.tdk-lambda.com/cfe
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