Power Electronics
 Isolated µModule Converter Comes In BGA

Isolated µModule Converter Comes In BGA

The LTM8046 from Linear Technology Corp. is a 2.5 W output dc-to-dc µModule® (micromodule) converter with 2 kVac galvanic isolation (production tested to 3 kVdc) in a 9 x 15 x 4.92mm ball grid array (BGA) package. A minimum creepage distance of 4.3 mm on the package exterior supports operation at a working voltage up to 400 VRMS in a pollution degree 2 environment. The isolated transformer, control circuitry, power switches, and a modest amount of input and output capacitance are encased in the BGA package. The UL60950 recognized (file# 464570) LTM8046, combined with three 1206 case size or smaller ceramic capacitors and one 0603 size resistor, comprise a highly compact solution for isolated applications such as industrial, transportation and instrumentation equipment.

The isolated µModule converter operates from inputs of 3.1V to 31 V, delivering a regulated output voltage on the secondary side, adjustable from 1.8 V to 12 V with ±5% accuracy over temperature. Whether the input voltage is above, below or equal to the desired output voltage, the internal flyback architecture enables the LTM8046 to maintain output voltage regulation. The LTM8046 is designed to deliver the full 2.5 W output power at ambient temperatures up to 100 °C with no forced airflow.

The LTM8046 is available in -40 °C to +125 °C or -55 °C to +125 °C internal operating temperature grades for immediate delivery from stock. Pricing starts at $14.47 each for 1,000-piece quantities. 

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