onsemi Integrated Circuits (ICs) - Power Management (PMIC) - Power Supply Controllers, Monitors NCP4306DADZZBASNT1G

The NCP4306DADZZBASNT1G is a high-performance synchronous rectification driver designed for use in switch mode power supplies (SMPS). It supports various topologies, including DCM, CCM, quasi-resonant flyback, forward, and half-bridge resonant LLC configurations. The device features self-contained control of the synchronous rectifier, precise true secondary zero current detection, and a fast turn-off delay of approximately 15 ns from the current sense input to the driver. This product includes adjustable or fixed minimum on-time and off-time settings, which help mitigate ringing caused by PCB layout and parasitic elements. The NCP4306DADZZBASNT1G also incorporates a light-load detection architecture to enhance efficiency during low load conditions. It is capable of driving GaN MOSFETs and operates within a voltage range of up to 35 V, with a maximum operation frequency of 1 MHz. The device is packaged in a TSOP-6 format and is Pb-free, making it suitable for applications such as notebook adapters, high power density AC/DC power supplies, and LCD TVs, where high efficiency is a critical requirement.