LTC3855
Overview
The LTC®3855 is a dual PolyPhase® current mode synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages. It includes a high speed differential remote sense amplifier.
- Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
- High Efficiency: Up to 95%
- RSENSE or DCR Current Sensing
- Programmable DCR Temperature Compensation n ±0.75% 0.6V Output Voltage Accuracy
- Phase-Lockable Fixed Frequency 250kHz to 770kHz
- True Remote Sensing Differential Amplifier
- Dual N-Channel MOSFET Synchronous Drive
- Wide VIN Range: 4.5V to 38V
- VOUT Range: 0.6V to 12.5V without Differential Amplifier
- VOUT Range: 0.6V to 3.3V with Differential Amplifier
