ALD25 is an efficient switching power supply from Astec with an output rating of 25A and features such as high-voltage capacitive load start-up limit, UVLO, OVP, OCP, OTP, On/Off Enable, Remote Sense, Output Trim and basic insulation.
The ASTEC 25 Amps module is a high‑efficiency power device designed for operation from –40 °C to +85 °C ambient temperature. It offers a compact 1.30" × 0.9" × 0.35" TH or SMT package and includes industry‑standard protection features such as UVLO, OVP, OCP, OTP, and remote sense.
Key electrical specifications include a 48 V input, 60 W total power, 625 kHz switching frequency, and 1500 Vdc isolation voltage. The module provides tight line and load regulation, over‑temperature protection at 115 °C PCB temperature, and a MTBF exceeding one million hours.
| Input Voltage | 48 V |
|---|---|
| Total Power | 60 W |
| Switching Frequency | 625 kHz |
| Isolation Voltage | 1500 Vdc |
| Ambient Temperature Range | -40 °C to +85 °C |
| Storage Temperature Range | -40 °C to +125 °C |
| MTBF | > 1 million hours |
| Package Size | 1.30" × 0.9" × 0.35" |
| Efficiency | 88 % @ 1.8 V (Typical) |
| Overtemperature Protection | 115 °C PCB temperature (Typical) |
The module operates from a 48 V input.
It switches at 625 kHz.
It can operate in ambient temperatures from –40 °C to +85 °C.
The isolation voltage rating is 1500 Vdc.