LTC3878

PRODUCTION

Fast, Wide Operating Range No RSENSE Step-Down DC/DC Controller

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $2.09
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Part Details

  • 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
LTC3878
Fast, Wide Operating Range No RSENSE Step-Down DC/DC Controller
High Efficiency Step-Down Converter Efficiency vs Load Current Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 2

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2974
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LTC2960
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LTC4364
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3878
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC1292A

LTC3878EGN Demo Board | No Rsense, 4.5V ≤ VIN ≤ 14V, VOUT = 1.2V @ 18A

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Product Details

Demonstration circuit 1292 is a NO RSENSE synchronous step-down DC/DC controller featuring the LTC3878EGN. Its output supplies 1.2V @ 18A and its input voltage range is 4.5V to 14V.
DC1292A
LTC3878EGN Demo Board | No Rsense, 4.5V ≤ VIN ≤ 14V, VOUT = 1.2V @ 18A
DC1292A - Schematic

Latest Discussions

3 Years Ago
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