The LME series of DC-DC converters are optimized for low-power operation. Due to the low quiescent current they are able to offer efficiencies up to 75%. The use of advanced magnetics ensures a minimal quiescent current of around 2.5mA which ensures that efficiency is maximized in low power applications. They are ideally suited to generating a negative supply where only a positive rail exists.
The LME Series provides high‑efficiency, low‑power isolated DC‑DC converters. They are pin‑compatible with NME & NML families, feature 1 kVDC isolation, and are available in SIP and DIP packages with no external heatsink required. The converters are fully encapsulated, use internal SMD construction, and have a power density of 0.36 W/cm².
Electrical specifications include input voltage ranges of 3.3 V, 5 V and 12 V, and output options of 3.3 V, 5 V, 9 V, 12 V and 15 V delivering up to 250 mW. Typical efficiency reaches 75 % with a quiescent current of about 2.5 mA. Mechanical dimensions are provided for both DIP and SIP packages, and the devices are rated for up to 3.2 million hours MTBF.
| Maximum Efficiency | 75 % |
|---|---|
| Input Voltage Options | 3.3 V, 5 V, 12 V |
| Output Voltage Options | 3.3 V, 5 V, 9 V, 12 V, 15 V |
| Power Density | 0.36 W/cm² |
| MTBF | 3.2 Million Hours |
The converters can achieve up to 75 % efficiency.
Supported input voltages are 3.3 V, 5 V, and 12 V.
No external heatsink is required.