LT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode | Электроника



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LT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode | Электроника

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Описание товара

LT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode | ЭлектроникаLT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode | ЭлектроникаLT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode | Электроника


Welcome to POCCIO Electronics    

LT3519EMS LT3519IMS LT3519 - LED Driver with Integrated Schottky Diode

Features a3nd Benefits

 

  • Up to 3000:1 True Color PWM™ Dimming
  • Wide Input Voltage Range
  • Operation from 3V to 30V
  • Transient Protection to 40V
  • Rail-to-Rail LED Current Sense from 0V to 45V
  • 45V, 750mA Internal Switch
  • Internal Schottky Diode
  • Constant-Current and Constant-Voltage Regulation
  • Boost, SEPIC, Buck-Boost Mode or Buck Mode Topology
  • Open LED Protection and Open LED Status Pin
  • Programmable Undervoltage Lockout with Hysteresis
  • Fixed Frequency: 400kHz (LT3519), 1MHz (LT3519-1), 2.2MHz (LT3519-2)
  • Internal Compensation
  • CTRL Pin Provides Analog Dimming
  • Low Shutdown Current: <1μA
  • 16-Lead MSOP Package

 

 

Product details

 

The LT3519/LT3519-1/LT3519-2 are fixed frequency step-up DC/DC converters designed to drive LEDs. They feature an internal 45V, 750mA low side switch and Schottky diode. Combining a traditional voltage feedback and a unique rail-to-rail current sense feedback allows these converters to operate as a constant-voltage source or constant-current source. Internal compensation simplifies applications. These devices feature rail-to-rail LED current sense pins that provide the most flexibility in choosing a converter configuration to drive the LEDs. The LED current is externally programmable with a sense resistor. The external PWM provides up to 3000:1 PWM dimming and the CTRL input provides analog dimming.

 

 

Applications

 

  • Automotive
  • Industrial
  • Constant Current Source
  • Current Limited Constant Voltage Source

 

 

 


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