LTC3458L

RECOMMENDED FOR NEW DESIGNS

1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect

Part Models
2
1ku List Price
Starting From $4.00

Part Details

  • High Efficiency: Up to 95%
  • Inrush Current Limiting and Output Disconnect
  • Programmable Output Voltages up to 6V
  • 1.5V to 6V Input Range
  • Programmable/Synchronizable Fixed Frequency Operation up to 1.5MHz
  • Programmable Automatic Burst Mode® Operation
  • Current Mode Control with Programmable Soft-Start Period and Peak Current Limit
  • 0.2Ω N-Channel and 0.3Ω P-Channel Switches
  • Ultralow Quiescent Currents: 12µA Sleep, <1µA in Shutdown
  • 12-Pin 4mm × 3mm Thermally Enhanced DFN Package
LTC3458L
1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
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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
Silicon Oscillators 2
LTC6908 Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
LTC6909 PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LTC3458
  • LTC3458L
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
DC878A

LTC3458LEDE Demo Board | 2V ≤ VIN ≤ 5V, VOUT = 5V @ 300mA to 900mA

Product Details

Demonstration circuit 878 is a 1MHz Synchronous Step-Up DC/DC Converter featuring the LTC3458LEDE. The demo board demonstrates a DC/DC boost converter, with a 1.7A switch, providing 5V at 300mA to 900mA depending on input voltage, which ranges from 2V to 5V.


The circuit demonstrates the advantages of output disconnect and inrush current limiting.

DC878A
LTC3458LEDE Demo Board | 2V ≤ VIN ≤ 5V, VOUT = 5V @ 300mA to 900mA

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