• Wide Input Range: 3.8V-40V
• Up to 3.5A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 80mΩ High-Side and 50mΩ Low-Side
Power MOSFETs
• Pulse Skipping Mode PSM with 25uA Quiescent
Current in Sleep Mode
• Fixed Frequency 570kHz
• 100ns Minimum On-time
• 2ms Internal Soft-start Time
• Frequency Spread Spectrum FSS Modulation for
EMI Reduction
• Precision Enable Threshold for Programmable
UVLO Threshold and Hysteresis
• Low Dropout Mode Operation
• Derivable Inverting Voltage Regulator
• Over-voltage and Over Temperature Protection
• Available in an ESOP-8 Package
• Wide Input Voltage Range: 5.5 V to 36 V
• Up to 3-A Continuous (4-A Peak) Output Current
• High Efficiency up to 95% Enabled by 110-mW
Integrated MOSFET Switch
• Wide Output Voltage Range: Adjustable Down to
1.22 V with 1.5% Initial Accuracy
• Internal Compensation Minimizes External
Parts Count
• Fixed 500 kHz Switching Frequency for Small
Filter Size
• Improved Line Regulation and Transient Response
by Input Voltage Feed Forward
• System Protected by Over Current Limiting and
Thermal Shutdown
• –40°C to 125°C Operating Junction Temperature Range
• Available in Small Thermally Enhanced 8-Pin
SOIC PowerPAD™ Package