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LT3492EUFD#PBF - 

Led Driver, 3 Outputs, Boost, Buck, Buck-Boost, 3V-30V in, 2.1MHz switch, 40V out, QFN-28

LT3492EUFD#PBF - Led Driver, 3 Outputs, Boost, Buck, Buck-Boost, 3V-30V in, 2.1MHz switch, 40V out, QFN-28

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

Manufacturer Part No:
LT3492EUFD#PBF
Order Code:
2294847
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
Boost, Buck, Buck-Boost
:
3V
:
30V
:
40V
:
600mA
:
2.1MHz
:
3Outputs
:
SMD
:
QFN
:
28Pins
:
-40°C
:
125°C
:
Each
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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Product Overview

The LT3492EUFD#PBF is a triple output DC/DC Converter designed to operate as a constant-current source and is ideal for driving LEDs. The LT3492 works in buck, boost or buck-boost mode. The LT3492 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 external PWM input provides 3000:1 LED dimming on each channel. 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 LT3492 is programmed with an external sense resistor. The CTRL pin is used to adjust the LED current either for analogue dimming or over-temperature protection.
  • Built-in gate driver for PMOS LED disconnect
  • Open LED protection
  • Surface mount components

Applications

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

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