ASTEC AEO/ALO40 DC/DC power modules are high efficiency, low ripple and noise, high capacitive load start-up, meet basic insulation requirements, meet EU RoHS Directive 2002/95/EC requirements
The AEO/ALO40 is a 120‑W high‑efficiency DC‑DC converter offering a wide input range of 36 V to 75 V and multiple fixed output options such as 12 V 10 A, 5 V 20 A, and 3.3 V 30 A. It includes industry‑standard protections like UVLO, OVP, OCP, OTP, and differential remote sense, and operates with low ripple and noise.
The device meets RoHS and EU Directive 2002/95/EC requirements, is UL and cUL 60950‑1 recognized, and provides an isolation voltage of 1500 Vdc. Operating temperature ranges are –40 °C to +85 °C (open‑frame) or –40 °C to +100 °C (baseplate). Ordering information and contact details for Americas, Europe, and Asia are included.
| Input Voltage Range | 36 V to 75 V |
|---|---|
| Efficiency (5 V output) | 93 % typical |
| Switching Frequency | Fixed Frequency |
| Isolation Voltage | 1500 Vdc |
| MTBF | > 1 Million hrs |
| Operating Ambient Temperature (Openframe) | -40 °C to +85 °C |
| Operating Ambient Temperature (Baseplate) | -40 °C to +100 °C |
The typical efficiency at 5 V output is 93 %.
The device includes Input UVLO, Over‑Voltage Protection (OVP), Over‑Current Protection (OCP), Over‑Temperature Protection (OTP), Output Voltage Trim, and Differential Remote Sense.
The open‑frame version operates from –40 °C to +85 °C ambient, while the baseplate version operates from –40 °C to +100 °C case.
The isolation voltage rating is 1500 Vdc.