Datasheet Summary
Hybrid Step-Down Synchronous Controller
Features n Wide VIN Range: 10V to 72V (80V ABS Max) n Soft Switching for Low Noise Operation n Phase-Lockable Fixed Frequency 200kHz to 1.5MHz n ±1% Output Voltage Accuracy n RSENSE or DCR Current Sensing n Programmable CCM, DCM, or Burst Mode® Operation n CLKOUT Pin for Multiphase Operation n Short Circuit Protected n EXTVCC Input for Improved Efficiency n Monotonic Output Voltage Start-Up n Optional External Reference n 32-Pin (5mm × 5mm) QFN
APPLICATIONS n Intermediate Bus Converters n High Current Distributed Power Systems n Tele, Data, and Storage Systems n Automotive Applications
DESCRIPTION
The LTC®7821 uses a proprietary...