FEATURES
VIN Range 3-25V Outputs Adjustable from 0.75 to 5.25V, or Preset Output Voltages: VOUT1 = 1.8 or 1.5V VOUT2 = 1.25 or 1.05V Low Shutdown Power Constant On-Time for Fast Dynamic Response Adjustable Switching Frequency Separated Frequencies for Minimal Switching Interaction: VOUT1 = up to 600kHz VOUT2 = up to 720kHz Power Save or Continuous Operation at Light Load Adjustable Soft-start Rates for Each Output Soft-Shutdown for Each Output Over-Voltage and Under-Voltage Fault Protection Cycle-by-Cycle Valley Current Limit DC Current Sense Using Low-Side RDSON Sensing, or RSENSE in Source of Low-Side MOSFET for Greater Accuracy Separate Power Good Outputs Separate Enable/Power Save Inputs 3.1A Non-Overlapping Gate Drive SmartDriveTM for High-Side MOSFET MLP 4x4 24 Pin Package Industrial Temperature Range DESCRIPTION
Additional features for each output include cycle-bycycle current limit, voltage soft-start, under-voltage and over-voltage protection, programmable over-current protection, soft shutdown, selectable power save and non-overlapping gate drive.
Semtech Corporation
