New from XP Power is the IMM series of 1 and 2 W DC-DC converters.The IMM01 (1 W) and IMM02 (2 W) converters are designed for use in medical applications. Providing a 1500 V a.c. input/output isolation at a 250 V a.c. working voltage to facilitate a 1 x MOPP, the single- and dual-output units are approved to the international medical safety standards ANSI/AMII ES60601-1, CSA 22.2 No 60601-1 and EN/IEC60601-1.
The converters are available with a choice of two 2:1 input voltage ranges based around nominal 5 V (4,5 to 9,0 V d.c.) and 12 V (9,0 to 18,0 V d.c.) inputs. Single-output models provide the popular nominal outputs of +3,3 V, +5 V, +12 V or +15 V d.c. Duals provide the combinations of ±3,3 V, ±5 V, ±12 V or ±15 V d.c.
Packaged in industry standard SIP-7 or SIP-8 formats, the units occupy very little printed circuit board area. The IMM01 uses a SIP7 footprint and measures 19,50 x 10,60 x 9,20 mm, while the SIP8 IMM02 is 21,85 x 10,60 x 9,20 mm. Capable of operating in most environments over the extended operating temperature range of –20°C to +100°C, the convection cooled units can deliver full power up to +60°C.
A remote on/off input pin allows external control of the converter operation from a host application, such as to sequence startup.
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