By default, the ADP1032 Flyback Regulator operates at a 250kHz switching frequency, and the buck regulator operates at 125kHz. The two regulators are phase-shifted relative to each other to reduce electromagnetic interference (EMI). The ADP1032 can be driven by an external oscillator in the range of 350kHz to 750kHz to ease noise filtering in sensitive applications. The digital isolators integrated into the ADP1032 use Analog Devices iCoupler® chip-scale transformer technology, optimized for low power and low radiated emissions.
The Analog Devices Inc. ADP1032 is available in a 9mm × 7mm, 41-lead LFCSP and is rated for a -40°C to +125°C operating junction temperature range.