LTC3878
Fast, Wide Operating Range
No RSENSE Step-Down
DC/DC Controller
Description Features n n n n n n n n n n n n n n n Wide VIN Range: 4V to 38V
±1% 0.8V Voltage Reference
Extremely Fast Transient Response
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
Programmable Current Limit with Foldback
Output Overvoltage Protection
Small 16-Pin Narrow SSOP Package Applications Distributed Power Systems Embedded Computing
n Communications Infrastructure L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. No RSENSE is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 5481178, 6100678, 6580258, 5847554, 6304066. 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, …