LTC3406B-2

PRODUCTION

2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

Part Models
2
1ku List Price
Starting From $2.83
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Part Details

  • High Efficiency: Up to 96%
  • 600mA Output Current at VIN = 3V
  • 2.5V to 5.5V Input Voltage Range
  • 2.25MHz Constant Frequency Operation
  • No Schottky Diode Required
  • Low Dropout Operation: 100% Duty Cycle
  • Low Quiescent Current: 350µA
  • 0.6V Reference Allows Low Output Voltages
  • Shutdown Mode Draws < 1µA Supply Current
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Overtemperature Protected
  • Low Profile (1mm) SOT-23 Package
LTC3406B-2
2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
High Efficiency Step-Down Converter Efficiency vs Load Current Product Package 1
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Documentation

Data Sheet

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

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LTC3406AB-2 PRODUCTION 2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LTC3406
  • LTC3406-1.2
  • LTC3406-1.5
  • LTC3406-1.8
  • LTC3406A
  • LTC3406AB
  • LTC3406B
  • LTC3406B-1.2
  • LTC3406B-1.5
  • LTC3406B-1.8
  • LTC3406B-2

LTpowerCAD 1

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
DC702A

LTC3406B-2ES5 Demo Board | 2.25MHz, VIN = 2.5V to 5.5V, VOUT = 1.8V @ 600mA (Max)

Product Details

Demonstration circuit DC702 is a 2.25 MHz step-down converter, using the LTC3406B-2 adjustable output monolithic synchronous buck regulator. The DC702 has an input voltage range of 2.5V to 5.5V, and is capable of delivering up to 600 mA of output current at a minimum input voltage of 3V. the output voltage is set to 1.8V. The DC702 is made for noise sensitive applications, due to the LTC3406B-2 operating in pulse-skipping mode at low load currents.

DC702A
LTC3406B-2ES5 Demo Board | 2.25MHz, VIN = 2.5V to 5.5V, VOUT = 1.8V @ 600mA (Max)
DC702A - Schematic

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