3W AC/DC Converter Module Range Extended Ultra-Wide Input Modules Suit Specialist Applications

LS03-B16 & LD03-B16 Pic

UK power conversion specialist PowerPax has recently extended its range of 3 watt AC/DC module power supplies with the addition of the Ultra-wide input LS03-16BxxSS and LD03-16Bxx series products from global power conversion manufacturer Mornsun.




This range features an ultra-wide input range of 90 – 528V AC (47-63Hz) and can accept a DC input of 100 – 745V DC on the same terminals. The AC input range makes this product suitable for two wire connection to three phase four wire systems. The LS03-16BxxSS range features an input to output isolation of 4000V AC minimum and the LD03-16BxxSS series has an input to output isolation of 3000V AC minimum. Both ranges have an efficiency of up to 76% with maximum standby power consumption of 0.5W.


These modules offer single DC outputs of 3.3V, 5V, 9V, 12V, 15V and 24V with a typical output voltage accuracy of ± 5%, line regulation of ± 1.5% typical and load regulation of typically ± 2.5% (10% – 100% Load). Outputs have a low level of ripple & noise 180mV P – P Max (20Mhz Bandwidth) and all outputs feature short circuit protection (hiccup mode with continuous self-recovery) and over-current protection (self-recovery).


Both the LS03-16BxxSS and LD03-16BxxSS product ranges are Class II and meet UL60950 and EN60950 standards and have excellent EMC characteristics.


These converters have an operating temperature range of -40℃ to +85℃ and are designed for free air convection cooling. They are engineered for applications where reliability is key and they have an MTBF ≥ 300K Hr’s (MIL-HDBK-217F @ 25°C) and a 3 year warranty.


These units offer two different compact package styles with high power density. The LS03-16BxxS is provided in a DIP package with dimensions of 50.80 x 25.40 x 15.16mm and the LD03-16BxxS is a SIP package with dimensions of 44.50 x 13.00 x 24.00mm.


This series of converters provide excellent performance whilst being cost competitive. They are particularly suited to applications including, but not limited to, three-phase electricity metering, industrial control and instrumentation, double power switch control and fire protection systems.