Datasheet Summary
High Efficiency, 600kHz, 2A, 30V Input Synchronous Buck Converter
General Description
The SY21452 high efficiency 600kHz synchronous buck converter operates over a wide input voltage range of 4.5V to 30V, and can deliver an output current up to 2A. It integrates a top MOSFET and a bottom MOSFET with very low RDS(ON) to minimize conduction loss. The 600kHz pseudo-constant switching frequency enables using small external inductor and capacitor values.
The SY21452 uses advanced constant on-time and ripple-based control strategy to achieve fast transient response for applications with high step-down ratios, and high efficiency at light loads. It also provides cycle-bycycle current...