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LT3519EMS#PBF - 

Led Driver, 1 Output, Boost, Buck, Buck-Boost, 3V-30V in, 400kHz switch, 45V/750mA out, MSOP-16

LT3519EMS#PBF - Led Driver, 1 Output, Boost, Buck, Buck-Boost, 3V-30V in, 400kHz switch, 45V/750mA out, MSOP-16

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT3519EMS#PBF
Order Code:
2294851
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
Boost, Buck, Buck-Boost, SEPIC
:
3V
:
30V
:
45V
:
750mA
:
400kHz
:
1Outputs
:
SMD
:
MSOP
:
16Pins
:
-40°C
:
125°C
:
Each
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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Product Overview

The LT3519EMS#PBF is a fixed frequency step-up DC/DC Converter designed to drive LEDs. It features an internal 45V, 750mA low-side switch and Schottky diode. Combining a traditional voltage feedback and unique rail-to-rail current sense feedback allows this converter to operate as a constant-voltage source or constant-current source. Internal compensation simplifies applications. This device features 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 analogue dimming.
  • Constant-current and constant-voltage regulation
  • Open LED protection and open LED status pin
  • Programmable under-voltage lockout with hysteresis
  • Internal compensation
  • CTRL pin provides analogue dimming
  • Internal Schottky diode
  • <1µA Low shutdown current

Applications

Automotive, Industrial

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