Low

LT1937ES5#TRMPBF - 

Led Driver, 1 Output, Boost (Step Up), 2.5V-10V in, 1.2MHz switch, 36V/15mA out, TSOT-23-5

LINEAR TECHNOLOGY LT1937ES5#TRMPBF

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Manufacturer Part No:
LT1937ES5#TRMPBF
Order Code:
1663813
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1937ES5#TRMPBF is a step-up DC/DC Converter specifically designed to drive white LEDs with a constant current. The device can drive two, three or four 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 LT1937 switches at 1.2MHz, allowing the use of tiny external components. The output capacitor can be as small as 0.22µF, saving space. A low 95mV feedback voltage minimizes power loss in the current setting resistor for better efficiency.
  • Inherently matched LED current
  • 84% Typical High efficiency
  • 36V Rugged bipolar switch
  • Requires only 0.22µF output capacitor

Applications

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

Product Information

:
Boost (Step Up)
:
1Outputs
:
15mA
:
36V
:
TSOT-23
:
5Pins
:
2.5V
:
10V
:
1.2MHz
:
-40°C
:
85°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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