RECOM RM/E Series – 0.25W DC/DC Converter – Summary

1. Overview

️· Type: Unregulated, Single Output DC/DC Converter
️· Power: 0.25 Watts
️· Package: SIP4 (Standard)
️· Key Features: High efficiency, low quiescent current, wide operating temperature range, 1kV/2kV isolation options.
️· Applications: Battery-powered devices, high-efficiency designs, temperature-sensitive applications.

2. Key Specifications

️· Input Voltage: Variable depending on model (e.g., 3.3V, 5V, 12V). ±10% tolerance.
️· Output Voltage: Variable depending on model (e.g., 5V)
️· Output Current: Up to 50mA (varies by model).
️· Efficiency: 70% minimum (up to 82% typical)
️· Operating Temperature: -40°C to +100°C
️· Storage Temperature: -55°C to +125°C
️· Isolation Voltage:
- Standard: 1000VDC (tested for 1 second) / 500VAC (1 minute rated)
- “H” Suffix Models: 2000VDC (tested for 1 second) / 1000VAC (1 minute rated)
️· Isolation Capacitance: 75pF maximum
️· Isolation Resistance: 10 GΩ minimum (Viso = 500V)
️· Short Circuit Protection: 1 second
️· MTBF: 1352 x 10³ hours (+100°C) / 4494 x 10³ hours (+25°C) (MIL-HDBK 217F)
️· Weight: 1.4g

3. Important Notes/Features

️· Models: Available with different input and output voltage combinations on request.
️· Isolation: The “H” suffix denotes a model with enhanced 2kV isolation.
️· Capacitive Load: Maximum capacitive load will allow startup in under 1 second.
️· Data Validity: The datasheet states that the data is indicative and based on practical experience; refer to Application Notes for more details.
️· Safety Critical Application: RECOM products are not authorized for use in safety-critical applications without explicit written consent.