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LTC3879 - Wide Operating Range No RSENSE Step-Down Controller

General Description

The LTC®3879 is a synchronous step-down switching regulator 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.

Key Features

  • n Wide VIN Range: 4V to 38V n ±1% 0.6V Voltage Reference n Extremely Fast Transient Response n tON(MIN): 43ns n No RSENSE™ Valley Current Mode Control n Stable with Low ESR Ceramic COUT n Supports Smooth Start-Up in Pre-Biased Output n Optimized for High Step-Down Ratios n Adjustable Output Voltage Soft-Start or Tracking n Power Good Output Voltage Monitor n Dual N-Channel MOSFET Synchronous Drive n Adjustable Switching Frequency n Programmable Current Limit with Foldback n Output Overvoltage Pr.

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Datasheet Details

Part number LTC3879
Manufacturer Linear Technology Corporation
File Size 306.94 KB
Description Wide Operating Range No RSENSE Step-Down Controller
Datasheet download datasheet LTC3879 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES n Wide VIN Range: 4V to 38V n ±1% 0.6V Voltage Reference n Extremely Fast Transient Response n tON(MIN): 43ns n No RSENSE™ Valley Current Mode Control n Stable with Low ESR Ceramic COUT n Supports Smooth Start-Up in Pre-Biased Output n Optimized for High Step-Down Ratios n Adjustable Output Voltage Soft-Start or Tracking n Power Good Output Voltage Monitor n Dual N-Channel MOSFET Synchronous Drive n Adjustable Switching Frequency n Programmable Current Limit with Foldback n Output Overvoltage Protection n 16-Pin MSOP and 3mm × 3mm QFN Packages APPLICATIONS n Distributed Power Systems n Embedded Computing n Communications Infrastructure L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. No RSENSE is a trademark of Linear Technology Corporation.