LTC3427

PRODUCTION

500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm × 2mm DFN Package

Data Sheet (Rev. B) Product Selection Table
Part Models
2
1ku List Price
Starting From $2.15
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Part Details

  • High Efficiency: Up to 94%
  • 3.3V at 200mA from Two Alkaline Cells
  • 5V at 200mA from a Single Li-Ion Cell
  • Inrush Current Limiting and Soft-Start
  • Output Disconnect in Shutdown
  • 1.8V to 5V VIN Range
  • 1.8V to 5.25V VOUTRange
  • 1.25MHz Fixed Frequency, Low Noise PWM
  • Internal Synchronous Rectifier
  • Logic Controlled Shutdown (<1μA)
  • Anti-Ringing Control Minimizes EMI
  • Tiny External Components
  • Short-Circuit Protection
  • Low Profile (0.75mm × 2mm × 2mm) DFN Package
LTC3427
500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm × 2mm DFN Package
LTC3427 Application Circuit LTC3427 Pin Configuration LTC3427 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Boost Regulators 1
LTC3526L-2
RECOMMENDED FOR NEW DESIGNS 550mA 2MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3427
  • LTC3427-2
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
DC856A

LTC3427EDC Demo Board | 1.8V ≤ VIN ≤ 3.6V, VOUT = 3.3V @ 180mA

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Product Details

Demonstration circuit 856A is a 500mA, 1.25MHz Synchronous Boost Converter featuring the LTC3427EDC. The demo circuit demonstrates a DC/DC boost converter, with a 500mA switch current limit, providing 3.3V at 180mA from a 1.8V to 3.6V input voltage.
DC856A
LTC3427EDC Demo Board | 1.8V ≤ VIN ≤ 3.6V, VOUT = 3.3V @ 180mA
DC856A - Schematic

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