SC416

SC416 POWER MANAGEMENT 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 „ Proportional or Coincident Tracked Start-up and Shutdown of Both Outputs www.DataSheet4U.com „ Adjustable Soft-start Rates for Each Output „ Regulated Shutdown for Each Output „ 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 „ 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 Lead-free Package „ Industrial Temperature Range „ WEEE and RoHS Compliant „ „ Dual Synchronous Buck Controller with Tracking Start-up/Shutdown Description The SC416 is a versatile, constant on-time, pseudofixed-frequency, dual synchronous buck PWM controller intended for notebook computers and other battery operated portable devices. The SC416 contains all the features needed to provide cost-effective control of two independent switchmode power supplies. The SC416 provides adjustable voltage tracking during start-up and shut-down, making it an effective s...