3.8V to 40V Input, 3.5A Low Iq Synchronous Buck With Internal Compensation, Replace LV14340
FEATURES

• 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)

 25uA Quiescent Current in Sleep Mode

• 100ns Minimum On-time

• Programmable Soft-start Time

• Adjustable Frequency 300KHz to 2.2MHz

• External Clock Synchronization

• Frequency Spread Spectrum (FSS) Modulation for EMI Reduction

• Low Dropout Mode Operation

• Derivable Inverting Voltage Regulator

PIN CONFIGUTION
优势替代
LV14340 LV14340.pdf

No.10117

FEATURES

• 4V to 40V Input Range

• 3.5 A Continuous Output Current

• 100 mΩ High-Side MOSFET

• Minimum On Time: 100ns

• Current Mode Control

• Adjustable Switching Frequency from 200 kHz to 2MHz

• Frequency Synchronization to External Clock

• Internal Compensation for Ease of Use

• High Duty Cycle Operation Supported

• Precision Enable Input

• 1 μA Shutdown Current

• External Soft-start dissipation

• Thermal, Overvoltage and Short Protection

• 8-Pin SOIC with PowerPAD™ Package


PIN CONFIGUTION
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