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LT3496IUFD#PBF - 

LED Driver, Buck-Boost, 3V to 30V input, 3 Outputs, 2.1 MHz switch-freq., 45V/750 mA out, QFN-28

LINEAR TECHNOLOGY LT3496IUFD#PBF

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Manufacturer Part No:
LT3496IUFD#PBF
Order Code:
1663566
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3496IUFD#PBF is a triple output DC/DC Converter designed to operate as a constant-current source and is ideal for driving LEDs. The LT3496 works in buck, boost or buck-boost mode. The LT3496 uses a fixed frequency, current mode architecture resulting in stable operation over a wide range of supply and output voltages. A frequency adjust pin allows the user to program switching frequency between 330kHz and 2.1MHz to optimize efficiency and external component size. The LT3496 supports 3000:1 dimming control on each channel. Each of the three regulators is independently operated by that channels PWM signal. The PWM feature allows precise adjustment of the colour mixing or dimming ratio of the LED source. Each of the three channels has a built-in gate driver to drive an external LED-disconnect P-channel MOSFET, allowing high dimming range. The output current range of each channel of the LT3496 is programmed with an external sense resistor.
  • Built-in gate driver for PMOS LED disconnect
  • Open LED protection
  • Surface mount components

Applications

LED Lighting, Imaging, Video & Vision, Automotive, Avionics

Product Information

:
Buck-Boost
:
3Outputs
:
750mA
:
45V
:
QFN
:
28Pins
:
3V
:
30V
:
2.1MHz
:
-40°C
:
125°C
:
Each
:
-
:
-
:
MSL 1 - Unlimited
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