LT3952

Obsolete

60V LED Driver with 4A Switch Current

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Part Details

  • 4000:1 True Color PWM™ Dimming
  • 4A, 60V Internal DMOS Switch
  • Wide Input Voltage Range: 3V to 42V
  • 0V to 60V Output Current Regulation with Monitor
  • PMOS Switch Driver for PWM and Output Disconnect
  • LED Short-Circuit Protection and SHORTLED Flag
  • Internal Spread Spectrum Frequency Modulation
  • Constant-Current and Constant-Voltage Regulation
  • Input Current Limit and Monitor
  • Adjustable Frequency: 200kHz to 3MHz, Synchronizable to an External Clock
  • 10:1 Analog Dimming
  • Programmable Open-LED Protection with OPENLED Flag
  • Programmable VIN Undervoltage and Overvoltage Lockout
  • Available in a 28-Lead TSSOP Package
LT3952
60V LED Driver with 4A Switch Current
Short-Circuit Robust Boost LED Driver with Spread Spectrum Frequency Modulation Efficiency vs Input Voltage Product Package 1
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Documentation

Reliability Data 1

User Guide 2

Design Note 1

Technical Articles 5

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Hardware Ecosystem

Parts Product Life Cycle Description
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT3952
  • LT3952A
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.

Latest Discussions

4 Years Ago
RE: LT3952 shutdown time in case of Input OV
5 Years Ago
LT3952A not working, seems to enter Shutdown Mode
View related discussion on EngineerZone®

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