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

LINEAR TECHNOLOGY LT3492EUFD#PBF
Manufacturer Part No:
LT3492EUFD#PBF
Order Code:
2294847
Technical Datasheet:
See all Technical Docs

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

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

Product Information

Voltage Reference Type:
Device Topology:
Boost, Buck, Buck-Boost
No. of Outputs:
3Outputs
Output Current:
-
Reference Voltage:
Output Voltage:
40V
Initial Accuracy:
Temperature Coefficient:
Driver Case Style:
QFN
Voltage Reference Case Style:
Input Voltage Min:
3V
No. of Pins:
28Pins
Input Voltage Max:
30V
Switching Frequency:
2.1MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Packaging:
Each
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

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

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000102