Description

Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator Features: Configurable 3 A/1 A or 2 A/2 A dual output load combinations or 4 A combined single output High efficiency: up to 95% Input voltage VIN: 2.75 V to 5.5 V Selectable fixed output: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V or adjustable output voltage to 0.6 V minimum ±1.5% accuracy reference voltage Selectable fixed switching frequency: 300 kHz, 600 kHz, or 1.2 MHz Optimized gate slew rate for reduced EMI External synchronization or internal clock output Dual-phase, 180° shifted PWM channels Current mode for fast transient response, no current sense resistor required Pulse-skip under light load or forced PWM operation See data sheet for additonal features