LTC3523

RECOMMENDED FOR NEW DESIGNS

Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters

Part Models
4
1ku List Price
Starting From $3.54
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Part Details

  • Dual High Efficiency DC/DC Converters:
    • Step-Up (VOUT = 1.8V to 5.25V, ISW = 600mA)
    • Step-Down (VOUT = 0.615V to 5.5V, IOUT = 400mA)
  • 1.8V to 5.5V Input Voltage Range
  • Up to 94% Efficiency
  • Pin Selectable Burst Mode® Operation
  • 45μA Quiescent Current in Burst Mode Operation
  • 1.2MHz (LTC3523) or 2.4MHz (LTC3523-2) Switching Frequency
  • Independent Power Good Indicator Outputs
  • Integrated Soft-Start
  • Thermal and Overcurrent Protection
  • <3μA Quiescent Current in Shutdown
  • Small 16-Lead 3mm × 3mm × 0.75mm QFN Package
LTC3523
Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters
LTC3523 Efficiency and Power  Loss 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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Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LTC3523
  • LTC3523-2
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
DC1213A

LTC3523EUD | 1MHz Dual 400mA Buck + 600mA Sync Boost

Product Details

DC1213A: Demo Board for the LTC3523 Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters


 


DC1213A
LTC3523EUD | 1MHz Dual 400mA Buck + 600mA Sync Boost
DC1213A - Schematic

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