The UEI30 series isolated DC/DC converter family features a full 30 Watt output in 1.8 square inches of board area, offering efficient regulated DC power for printed circuit board mounting.
This handbook describes the UEI30 family of isolated DC/DC converters, offering up to 30 W output in a compact 0.92" × 1.92" × 0.35" open‑frame package. It covers the wide input voltage ranges (9‑36 V for Q12 models, 18‑75 V for Q48 models), fixed output options from 3.3 V to 15 V, and a synchronous‑rectifier topology that delivers high efficiency and low heat.
The document includes detailed mechanical dimensions, pin assignments, isolation ratings, protection features, soldering guidelines, and dynamic performance data. It also provides guidance on input fusing, remote on/off control, and thermal shutdown to help designers integrate the converters safely and reliably.
| Input voltage range (Q12) | 9 V – 36 V |
|---|---|
| Input voltage range (Q48) | 18 V – 75 V |
| Output voltage options | 3.3 V – 15 V (fixed) |
| Isolation voltage (basic) | 2250 VDC |
| Maximum output power | 30 W |
| Operating temperature range | –40 °C to +85 °C |
| Package dimensions | 0.92" × 1.92" × 0.35" |
The UEI30 series provides basic isolation up to 2250 VDC.
Each converter can deliver up to 30 W of output power.
They operate from –40 °C up to +85 °C (with derating).