AIH Series 250 Watts is an embedded power product designed for business continuity, with a continuous output power of 250W, a working temperature of 100°C, an efficiency of up to 88%, low output ripple and noise, positive and negative output enable functions, excellent transient response, safety isolated low voltage control and monitoring, high reliability, wide input voltage range, parallel output and accurate current sharing, adjustable output voltage, zero load regulation, temperature monitor output, and compliance with RoHS of the EU Directive 2002/95/EC.
The AIH Series provides embedded DC‑DC conversion for business‑critical systems, offering configurable output voltages, high efficiency, and robust protection features. It supports input voltages from 250 V to 420 V DC and includes options for TTL enable, clock sync, and current sharing.
Key specifications include up to 88% efficiency at 5 V output, tight load and line regulation, and operation over a temperature range of –20 °C to +100 °C. The series is available in multiple models (e.g., AIH50‑300, AIH40A300) with detailed pin assignments and control options.
| Input voltage range | 250‑420 VDC |
|---|---|
| Input surge capability | 450 V / 100 ms |
| Typical efficiency | 88% @ 5.0 V |
| Load regulation | 0.2% typical (5 V and above) |
| Line regulation | 0.2% typical (5 V and above) |
| Output voltage adjust range | ±20% for 5 V and above |
| Overvoltage protection | 130% Vout for 3.3 V and 5 V outputs |
| Current limit | 120% Iout maximum |
| Operating temperature range | -20 °C to +100 °C (case) |
| MTBF | 1 M hours (demonstrated) |
The AIH Series accepts an input voltage from 250 V to 420 V DC.
The converters operate from –20 °C up to +100 °C (case temperature).
Typical efficiency is 88% at a 5 V output.
Load regulation is 0.2% typical for outputs of 5 V and above.