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LT3591EDDB#TRMPBF - 

Led Driver, 1 Output, Boost (Step Up), 2.5V-12V in, 1MHz switch, 42V/300mA out, DFN-8

LINEAR TECHNOLOGY LT3591EDDB#TRMPBF
LINEAR TECHNOLOGY LT3591EDDB#TRMPBF

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Manufacturer Part No:
LT3591EDDB#TRMPBF
Order Code:
1663840RL
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3591EDDB#TRMPBF is a fixed frequency step-up DC/DC Converter specifically designed to drive up to ten white LEDs in series from a Li-ion cell. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors. The device features unique high-side LED current sense that enables the part to function as a one wire current source, one side of the LED string can be returned to ground anywhere, allowing a simpler one wire LED connection. Traditional LED driver uses a grounded resistor to sense LED current, requiring a 2-wire connection to the LED string. The high switching frequency allows the use of tiny inductors and capacitors. A single pin performs both shutdown and accurate LED dimming control.
  • Internal Schottky diode
  • One pin dimming and shutdown
  • 42V Open LED protection
  • 1MHz Switching frequency
  • ±5% Reference accuracy
  • Requires only 2.2µF output capacitor

Applications

Consumer Electronics, Computers & Computer Peripherals, Portable Devices, Communications & Networking, Audio

Product Information

:
Boost (Step Up)
:
1Outputs
:
300mA
:
42V
:
DFN
:
8Pins
:
2.5V
:
12V
:
1MHz
:
-40°C
:
85°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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