LTC3406-1.5

PRODUCTION

1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

Data Sheet Product Selection Table
Part Models
2
1ku List Price
Starting From $2.63
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Part Details

  • High Efficiency: Up to 96%
  • Very Low Quiescent Current: Only 20µA During Operation
  • 600mA Output Current
  • 2.5V to 5.5V Input Voltage Range
  • 1.5MHz Constant Frequency Operation
  • No Schottky Diode Required
  • Low Dropout Operation: 100% Duty Cycle
  • 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) ThinSOT™ Package
LTC3406-1.5
1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
Figure 1a. High Efficiency Step-Down Converter Figure 1b. Efficiency vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1

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
RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Multiple Output Buck Regulators 1
LTC3880
RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Single-Supply Monitors 1
LTC2935
PRODUCTION Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4365
RECOMMENDED FOR NEW DESIGNS Overvoltage, Undervoltage and Reverse Supply Protection Controller
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Tools & Simulations

LTspice 2

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
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC500A-B

LTC3406ES5-1.5 Demo Board | 2.7V to 5.5VIN, 1.5VOUT @ 600mA(max)

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Product Details

Demonstration circuit DC500 is a constant-frequency step-down converter, using the various versions (fixed output/adjustable output/Burst Mode/Burst Mode defeated) of the LTC3406 or LTC3406B monolithic synchronous buck regulators. The DC500 has an input voltage range of 2.7V to 5.5V, and is capable of delivering up to 600 mA of output current at minimum input voltage of 3V. The DC500A-B features the 1.5V fixed output, Burst Mode-capable LTC3406-1.5.
DC500A-B
LTC3406ES5-1.5 Demo Board | 2.7V to 5.5VIN, 1.5VOUT @ 600mA(max)
DC500A-B Demo Board DC500A-B Demo Board DC500A-B Demo Board DC500A-B Demo Board DC500A-A - Schematic

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