PM6670
Complete DDR2/3 memory power supply controller
Preliminary Data
Features switching
Switching section (VDDQ) com – 4.
5V to 28V input
voltage range – 0.
9V, ±1%
voltage reference – 1.
8V (DDR2) or 1.
5V (DDR3) fixed output
voltages – 0.
9V to 2.
6V adjustable output
voltage – 1.
237V ±1% reference
voltage available – Very fast load transient response using constant on-time control loop – No RSENSE current sensing using low side
MOSFET’s RDS(ON) – Negative current limit – Latched OVP and UVP – Soft start internally fixed at 3ms – Selectable pulse skipping at light load – Selectable No-Audible (33KHz) pulse skip mode – Ceramic output
capacitors supported – Output
voltage ripple...