LTC3878
Overview
The LTC®3878 is a synchronous step-down switching DC/DC controller optimized for high switching frequency and fast transient response. The constant on-time valley current mode architecture allows for a wide input range, including very low duty factor operation.
- Wide VIN Range: 4V to 38V n ±1% 0.8V Voltage Reference
- Extremely Fast Transient Response n tON(MIN): 43ns
- No RSENSE™ Valley Current Mode Control
- Stable with Low ESR Ceramic COUT
- Supports Smooth Start-Up Into Pre-Biased Output
- Optimized for High Step-Down Ratios
- Pin Compatible with the LTC1778 (No EXTVCC Pin)
- Power Good Output Voltage Monitor
- Dual N-Channel MOSFET Synchronous Drive
- Adjustable Switching Frequency
