Description
The LTC®3850 is a high performance dual synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages.
A constant-frequency current mode architecture allows a phase-lockable frequency of up to 780kHz.
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 ±1% 0.8V Output Voltage Accuracy n Phase-Lockable Fixed Frequency 250kHz to 780kHz n Supports Pre-Biased Output n Dual N-Channel MOSFET Synchronous Drive n Wide VIN Range: 4V to 24V (30V for LTC3850I)
Operation n Adjustable Soft-Start Current Ramping or Tracking n Foldback Output Current Limiting n Power Good Output Voltage Mon.
LTC3850-1 Datasheet
