Multiple-output supplies ease medical design
A TDK-Lambda UK product story
Edited by the Electronicstalk editorial team Sep 28, 2007
Medically approved PCB-mounting power supplies produce 15-40W with single, dual or triple outputs.
Lambda has introduced the KM Series of medically approved 15-40W enclosed PCB-mount power supplies with single, dual or triple outputs.
Eliminating the need for external power adapters, these small, lightweight power supplies are ideal for use in a wide variety of medical equipment, in particular portable applications such as electronic blood pressure monitors and home infusion therapy equipment.
Available in two package sizes - 64.0 x 45.5 x 23.4mm (15W models) and 88.9 x 63.5 x 26.9mm (40W models) - the KM Series covers all commonly used output voltages.
The single-output models are available from 3.3 to 24V with typical efficiency up to 83%.
For the dual-output units, ranges include +/-5, +/-12 and +/-15V as well as 5/12V versions.
Typical efficiency for these models is up to 83%.
The triple-output models cover various outputs, including 5V/+/-12V with efficiencies to an impressive 80%.
All configurations accept a broad range of input voltages: 90 to 264V AC, 47 to 440Hz or 100 to 375V DC.
No earth connection is required as the KM Series is a Class II device.
The models are rated for operation in a convection cooled environment from -25 to +70C, derating linearly to 50% load from +50 to +70C.
Other features include overcurrent, overvoltage and overtemperature protection.
Lambda's KM Series power supplies have 4kV AC I/O isolation, and meet EN60601-1-2 immunity and Class B (15W) and Class A (40W) EMI standards.
Leakage current at 230V AC is less than 200uA.
They are also safety approved to IEC/UL60601-1 specifications and are CE marked.
Depending on model, Lambda gives the KM Series an MTBF of between 200 and 400kh.
All models carry a two-year warranty.
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Contact TDK-Lambda UK
Tel +44 1271 863781
Other TDK-Lambda UK stories
- TDK-Lambda launches RFE1000 power supplies
TDK-Lambda has introduced 1kW embedded 1U-high single-output AC-DC power supplies for standalone and distributed power architecture applications requiring 24V, 32V and 48V bulk power. - TDK-Lambda expands range of NV-Power supplies
TDK-Lambda has added four new output modules to its NV-Power range of configurable AC-DC power supplies. - TDK-Lambda expands EFE300M power-supply range
TDK-Lambda has added three new models with nominal outputs of 28V / 10.71A, 40V / 7.5A or 48V / 6.25A to its EFE300M range of digitally controlled medical power supplies. - Three-phase input models added to range
TDK-Lambda has introduced three-phase input models to complement its DPP range of DIN rail power supplies. - TDK-Lambda releases power products catalogue
TDK-Lambda has launched its power products catalogue for 2009.
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