Both series are in the industry standard miniature DIP Package and provide a regulated 3 watt output with the TWA3/MHI featuring a 2:1 wide input voltage range while the TWB3/MHIA5 Series has an ultra-wide 4:1 input voltage range. Both also provide regulated single or dual output voltages over the range 3.3 to 24VDC or +/-5 to +/15VDC and have input voltage options from 4.5 to 72VDC.
Polytron DC-DC converters can be supplied for through-hole printed circuit board mounting or surface mount form for automated assembly.
Standard features include, high efficiency up to 89%, operating temperature range -40 to +1050C (with derating), reinforced insulation, clearance and creepage distance 8.0 mm/2MOPP, 5000VAC input to output 2MOPP Isolation, 2µA patient leakage current, built-in EMI Class A filter, medical safety approvals including: UL, CE and ANSI/AAMI ES60601-1, EN60601-1 and IEC60601-1, ROHs Compliant to 2011/65/EU.
Typical applications for the TWA3/MHI and TWB3/MHIA5 Series of DC:DC converters include diagnostic and therapy equipment, home equipment including nebulizers and blood pressure monitors as well as a broad range of medical devices including: X-ray machines, surgical tools with lights, lasers and video microscopes, defibrillators, medical devices and equipment.