
Semtech Corporation
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