ADuM3474 - Analog Devices

ADuM3474 PWM Controller and Transformer Driver

Data Sheet PWM Controller and Transformer Driver with Quad-Channel Isolators ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474 FEATURES Isolated PWM controller Integrated transformer driver Regulated adjustable output: 3.3 V to 24 V 2 W output power 70% efficiency at guaranteed load of 400 mA at 5.0 V output Quad dc-to-25 Mbps (NRZ) signal isolation channels 20.

Features

Isolated PWM controller Integrated transformer driver Regulated adjustable output: 3.3 V to 24 V 2 W output power 70% efficiency at guaranteed load of 400 mA at 5.0 V output Quad dc-to-25 Mbps (NRZ) signal isolation channels 20-lead SSOP package High temperature operation: 105°C maximum High common-mode transient immunity: >25 kV/µs 200 kHz to 1 MHz adjustable oscillator frequency Soft start function at power-up Pulse-by-pulse overcurrent protection Thermal shutdown Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE certi.