Description

Quad, 1 A, 5.5 V, Synchronous Step-Down Regulators with One RF LDO Regulator Features: PVINx voltage range: 3 V to 5.5 V Continuous output current Channel 1 to Channel 4 (buck): 1 A Channel 5 (LDO): 250 mA 3.2 MHz fixed PWM switching frequency Synchronization input function Buck regulators run at 90° out of phase Individual precision enable input Power-on reset output Integrated compensation Soft start and power-up sequencing reduce inrush current Active output discharge switch function Stable with low ESR output ceramic capacitors OVLO, UVM, and UVLO TSD protection Qualified for automotive applications