LTC3856
Description
The LTC®3856 is a single output, dual channel PolyPhase synchronous step-down DC/DC controller that drives all N-channel power MOSFET stages. This device includes a high speed differential amplifier for remote output voltage sense.
Key Features
- PolyPhase® Controller Reduces Input and Output Capacitance and Power Supply Induced Noise
- Wide VIN Range: 4.5V to 38V Operation n ±0.75%, 0.6V Reference Voltage Accuracy
- High Efficiency: Up to 95%
- Programmable Burst Mode® Operation or Stage Shedding™ for Highest Light Load Efficiency
- Active Voltage Positioning (AVP)
- RSENSE or DCR Current Sensing
- Programmable DCR Temperature Compensation
- Phase-Lockable Fixed Frequency: 250kHz to 770kHz
- True Remote Sense Differential Amplifier
- Dual N-Channel MOSFET Synchronous Drive