Features
• VIN and Power Rail Operation from +3.3V to +20V
• Fast Transient Response - 0 to 100% Duty Cycle
- 15MHz Bandwidth Error Amplifier with 6V/μs Slew Rate
- Voltage-Mode PWM Leading and Trailing-edge
Modulation Control
- Input Voltage Feedforward Compensation
• 2.9V to 5.6V High Speed 2A/4A MOSFET Gate Drivers
- Tri-state for Power Stage Shutdown
• Internal Linear Regulator (LR) - 5.6V Bias from VIN
• External LR Drive for Optimal Thermal Performance
• Voltage Margining with Independently Adjustable Upper and
Lower Settings for System Stress Testing & Over Clocking
• Reference Voltage I/O for DDR/Tracking Applications
• Precise 0.591V Internal Reference with Buffered Output
- ±0.85%/±1.25% Over Commercial/Industrial Range
• Source and Sink Overcurrent Protections
- Low- and High-Side MOSFET rDS(ON) Sensing
• Overvoltage and Undervoltage Protections
• Small Converter Size - QFN package
• Oscillator Programmable from 250kHz to 2MHz
• Differential Remote Voltage Sensing with Unity Gain
• Programmable Soft-start with Pre-Biased Load Capability
• Power Good Indication with Programmable Delay
• EN Input with Voltage Monitoring Capability
• Pb-Free Plus Anneal Available (RoHS Compliant)