LTC3855
Features n Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n High Efficiency: Up to 95% n RSENSE or DCR Current Sensing n Programmable DCR Temperature pensation n ±0.75% 0.6V Output Voltage Accuracy n Phase-Lockable Fixed Frequency 250k Hz to 770k Hz n True Remote Sensing Differential Amplifier n Dual N-Channel MOSFET Synchronous Drive n Wide VIN Range: 4.5V to 38V n VOUT Range: 0.6V to 12.5V without Differential Amplifier n VOUT Range: 0.6V to 3.3V with Differential Amplifier n Clock Input and Output for Up to 12-Phase Operation n Adjustable Soft-Start or VOUT Tracking n Foldback Output Current Limiting n Output Overvoltage Protection n 40-Pin (6mm × 6mm) QFN and 38-Lead FE Packages
Applications n puter Systems n Tele Systems n Industrial and Medical Instruments n DC Power Distribution Systems
Description
The LTC®3855 is a dual Poly Phase® current mode synchronous step-down switching regulator controller that drives all N-channel power...
