This document describes a low-profile synchronous, 2-phase boost converter that produces 200W power with 98% efficiency. The converter is suitable for automotive audio amplifiers, offering high efficiency and compactness.
This document presents a design note for an automotive audio amplifier power supply that uses the LT3782A 2-phase synchronous PWM controller. The circuit is designed to produce a 24V output from an input voltage range of 8.5V to 18V, achieving continuous output power of 200W with up to 98% efficiency.
The circuit generates a 24V output at 8.5A continuous current and 10.5A pulsed current.
The device operates with an input voltage ranging from 8.5V to 18V.
The converter achieves a maximum component height of 10.5mm.