Description

The SC1218 is a high speed, robust, dual output driver to drive high-side and low-side N-MOSFETs in synchronous buck converters. Combined with Semtech’s multi-phase PWM controller SC2649, one can build high performance, versatile voltage regulators for next generation microprocessors.

Features

♦ Advanced Digital Timing to Filter Out Very Narrow PWM Pulses

♦ +12V Gate Drive Voltage

♦ Integrated Bootstrap Diode

♦ High Peak Drive Current

♦ Adaptive Non-overlapping Gate Drives Provide Shoot through Protection

♦ Support Dynamic VID operation

♦ Ultra-low Propagation Delay

♦ Floating Top Gate Drive

♦ Crowbar Function for Over Voltage Protection

♦ High Frequency (up to 2 MHz) Operation Allows Use of Small Inductors and Low Cost Ceramic Capacitors

♦ Under Voltage Lockout

♦ Low Quiescent Current

♦ Enable Function for Both Gate OFF Shut Down

♦ Lead-free Part and Fully WEEE and RoHS Compliant

Applications

♦ Intel® Next Generation Processor Power Supplies

♦ AMD® AthlonTM and AMD-K8TM Processor Power Supplies

♦ High Current Low Voltage DC-DC Converters