9 November 2016
Power Electronics / Power Management
XP Power’s new IML02 and ISM02 are miniature, 2 W DC-DC converters for use in medical device applications that require safety isolation between the input and output. These converters provide 4000 V a.c. reinforced isolation with 1 x MOPP at 300 V a.c. (250 V a.c. for the IML02) working voltage and, ideal for use in patient connected devices, have a very low 2 μA patient leakage current.
Featuring 2 W of output power and with both single and dual voltage output models, the converters are available in an SMD package (model ISM02) or a through-hole, industry standard SIP7 package (model IML02). Their small size – 19,5 x 9,8 x 12,5 mm for the SIP-7 packaged IML02, and 24,0 x 18,0 x 9,0 mm for the ISM02 - takes up less PCB space, and affords the product designer more room to add extra features, or alternatively reduce the overall size of the end product.
Both converters feature extended operating temperature ranges, -40°C to +85°C for the IML02 and -25°C to +105°C for the ISM02. Offering high efficiency, wide operating temperature and very small footprints, the units are well suited to modern compact medical devices.
The IML02 is available in four different input voltage ranges for nominal 5, 12,15 or 24 V d.c. inputs, while the ISM02 is available in three ranges for 5, 12 and 24 V d.c. input applications. The ISM02 offers single output models of 5, 12, 15 V, and ±12 V and ±15 V dual output models, while the IML02 has 3,3, 5, 9, 12, 15 V and ± dual versions of each voltage.
The converters meet Class B EMI EN55011 standards (conducted EMI requires a small input filter for the IML range) and carry worldwide medical safety approvals to 60601-1 standards.
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