The LPT25 Series is a switch mode power supply from ASTEC. Its features include universal input, 3-inch x 5-inch power module, remote sensing main output, built-in EMI filter, low output ripple, adjustable main output, overvoltage protection, overload protection, 110kHz switching frequency and so on.
The LPT25 series is a 25‑W (up to 40 W with forced air) power supply offering a universal input range of 85‑264 VAC and a triple output configuration of 120‑300 VDC. It includes remote sense, built‑in BV filter, low output ripple, and overload/over‑voltage protection.
The device meets multiple safety and EMC standards (IEC 801, VDE 0805, UL, CE) and is rated for operation from 0 °C to 50 °C ambient, with storage limits of –40 °C to 85 °C. Detailed pin assignments, connector part numbers and ordering information are provided for easy integration.
| Total Power | 25‑40 Watts |
|---|---|
| Input Voltage | 85‑264 VAC |
| Output Voltage | 120‑300 VDC |
| Number of Outputs | Triple |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | -40 °C to 85 °C |
| MTBF | >550,000 hours |
| Switching Frequency | 110 kHz |
| Efficiency at Full Load | 70 % typical |
| Peak Current Duration | <30 seconds |
The LPT25 accepts an input voltage from 85 VAC to 264 VAC.
It provides three (triple) output channels.
The demonstrated MTBF is greater than 550,000 hours at full load and 25 °C ambient.
It complies with IEC 801, VDE 0805, EN 60950, UL, CSA Level 3, NEMKO, CE, FCC and CISPR 22 standards.