FEATURES
n Pin-Selectable Pass-Thru or Fixed Output CCM, DCM, Burst Mode® Operation n Programmable Non-Switching Pass-Thru Window n 18μA Pass-Thru Mode IQ with 99.9% Efficiency n VIN Range: 2.8V to 100V (4.5V for Start-Up) n VOUT Range: 1V to 100V n Reverse Input Protection to –40V n ±1.25% Output Voltage Accuracy (–40°C to 125°C) n ±3% Accurate Current Monitoring n ±5% Accurate Current Regulation n 10V Quad N-Channel MOSFET Gate Drivers n EXTVCC LDO Powers Drivers from VOUT/External Rail n ±20% Cycle-by-Cycle Inductor Current Limit n No Top MOSFET Refresh Noise in Buck or Boost n Fixed/Phase-Lockable Frequency: 80kHz to 400kHz n Spread Spectrum Frequency Modulation for Low EMI n Power Good Output Voltage/Overcurrent Monitor n Available in a 38-Lead TSSOP and 40-Lead (6mm x 6mm) QFN Packages APPLICATIONS
n Automotive, Industrial, Telecom, Avionics Systems n Automotive Start-Stop, Emergency Call APPLICATIONS
n ISO 7637, ISO 16750, MIL-1275, DO-160 APPLICATIONS
DESCRIPTION
The LT®8210 is a 4-switch synchronous buck-boost DC/DC controller that can operate in pass-thru, forced continuous, pulse-skipping and Burst Mode® operation.