LT8355-1

RECOMMENDED FOR NEW DESIGNS

60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming

Data Sheet (Rev. C)
Part Models
2
1ku List Price
Starting From $1.98
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Part Details

  • Two independent High Voltage LED Driver Controllers Channels
  • 128:1 Internal Exponential PWM Dimming
  • Two-Pin Multiplying Analog Dimming (CH2)
  • Spread Spectrum Frequency Modulation
  • 20,000:1 External PWM Dimming at 100Hz
  • Rail-to-Rail LED Current Sensing: 0V to 120V
  • ±2% LED Current Regulation
  • ±2% Output Voltage Regulation
  • LED Short/Open Protection and Indication
  • Wide Input Voltage Range (5V to 60V)
  • PMOS Switch Driver for PWM and Output Disconnect
  • Independent Channel Dimming
  • Constant-Voltage and Constant-Current Regulation
  • Adjustable Switching Frequency 100kHz to 2MHz
  • Independent OPEN/SHORT LED FAULT per channel
  • Programmable VIN UVLO with Hysteresis
  • Side Solderable 28-Lead 4mm × 5mm QFN Package
  • AEC-Q100 Qualified for Automotive Applications
LT8355-1
60VIN/120VOUT Dual LED Controller with Exponential PWM and Scalable Dimming
LT8355-1 Application Circuit LT8355-1 Performance Graph LT8355-1 Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LT8355-1
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