LTC3411A

PRODUCTION

1.25A, 4MHz, Synchronous Step-Down DC/DC Converter

Data Sheet (Rev. E)
Part Models
8
1ku List Price
Starting From $2.43
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Part Details

  • Uses Tiny Capacitors and Inductor
  • High Frequency Operation: Up to 4MHz
  • Low RDS(ON) Internal Switches: 0.15Ω
  • High Efficiency: Up to 96%
  • Selectable Low Ripple (25mVP-P) Burst Mode® Operation: IQ = 40µA
  • Stable with Ceramic Capacitors
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Short-Circuit Protected
  • Low Dropout Operation: 100% Duty Cycle
  • Low Shutdown Current: IQ ≤ 1µA
  • Output Voltages from 0.8V to 5V
  • Synchronizable to External Clock
  • Supports Prebiased Outputs
  • Small 10-Lead 3mm × 3mm DFN or MSOP Package
LTC3411A
1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
Step-Down 2.5V/1.25A Regulator Efficiency and Power Loss vs Output Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

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Hardware Ecosystem

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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3411
  • LTC3411A

LTpowerCAD 1

Design tools for the following parts are available in LTpowerCAD:

  • LTC3411
  • LTC3411A
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.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
DC1176A

LTC3411AEDD Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V/2.5V/3.3V @ 1.25A

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Product Details

Demonstration circuit 1176 is a step-down converter, using the LTC3411A monolithic synchronous buck regulator. The DC1176 has an input voltage range of 2.5V to 5.5V, and is capable of delivering up to 1.25A of output current. The output voltage of the DC1176 can be set to 1.8V, 2.5V or 3.3V using the appropriate jumper connection, or it can be set to an adjustable value down to 0.8V, the reference voltage of the LTC3411A.
DC1176A
LTC3411AEDD Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V/2.5V/3.3V @ 1.25A
DC1176A - Schematic

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