Description

The SC1218MLTRT is a high-speed, robust, dual output driver designed to drive high-side and low-side N-MOSFETs in synchronous buck converters. It is commonly used in voltage regulators for next-generation microprocessors together with Semtech's multi-phase PWM controller SC2649.

Specifications and 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 Shootthrough Protection
• Support Dynamic VID operation
• Ultra-low Propagation Delay
• Floating Top Gate Drive
• Crowbar Function for Overvoltage 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 Shutdown
• Lead-free Part and Fully WEEE and RoHS Compliant

Application Scenarios

• Intel® Next Generation Processor Power Supplies
• AMD® AthlonTM and AMD-K8TM Processor Power Supplies
• High Current Low Voltage DC-DC Converters

Comparison

Advantages:
- High-speed and robust driver
- Dual output for driving high-side and low-side N-MOSFETs
- Advanced digital timing for pulse filtering
- Wide range of gate drive voltage (+12V)
- Integrated bootstrap diode
- High peak drive current
- Adaptive non-overlapping gate drives for shootthrough protection
- Support dynamic VID operation
- Ultra-low propagation delay
- Floating top gate drive
- Crowbar function for overvoltage protection
- Suitable for high-frequency operation (up to 2 MHz) with small inductors and low-cost ceramic capacitors
- Under voltage lockout
- Low quiescent current
- Enable function for both gate OFF shutdown
- Lead-free and compliant with WEEE and RoHS

Disadvantages:
No specific disadvantages mentioned