ADuM4190

Data Sheet High Stability Isolated Error Amplifier ADuM4190 FEATURES Stable over time and temperature 0.5% initial accuracy 1% accuracy over the full temperature range Compatible with Type II or Type III compensation networks Reference voltage: 1.225 V Compatible with DOSA Low power operation: <7 mA total Wide voltage supply range VDD1: 3 V to 20 V VDD2: 3 V to 20 V Bandwidth: 400 kHz Isolation voltage: 5 kV rms reinforced Safety and regulatory approvals (pending) UL recognition: 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak Wide temperature range −40°C to +125°C ambient operation 150°C maximum junction temperature APPLICATIONS Linear feedback power supplies Inverters Uninterruptible power supplies (UPS) DOSA-compatible modules Voltage monitors GENERAL DESCRIPTION The ADuM41901 is an isolated error amplifier based on Analog Devices, Inc., iCoupler® technology. The ADuM4190 is ideal for linear feedback power supplies. The primary side controllers of the ADuM4190 enable improvements in transient response, power density, and stability as compared to commonly used optocoupler and shunt regulator solutions. Unlike optocoupler-based solutions, which have an uncertain current transfer ratio over lifetime and at high temperatures, the ADuM4190 transfer function does not change over its lifetime and is stable over a wide temperature range of −40°C to +125°C. Includ...