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LT3756EMSE#PBF

Led Driver, 1 Output, Boost, Buck, Flyback, SEPIC, 6V-100V in, 1MHz switch, 100V/370mA out, MSOP-16

LT3756EMSE#PBF - Led Driver, 1 Output, Boost, Buck, Flyback, SEPIC, 6V-100V in, 1MHz switch, 100V/370mA out, MSOP-16
LT3756EMSE#PBF - Led Driver, 1 Output, Boost, Buck, Flyback, SEPIC, 6V-100V in, 1MHz switch, 100V/370mA out, MSOP-16

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Manufacturer Part No:
LT3756EMSE#PBF
Order Code:
1673557
Technical Datasheet:
LT3756EMSE#PBF   Datasheet
See all Technical Docs

Product Information

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:
Boost, Buck, Buck-Boost, Flyback, SEPIC

:
6V

:
100V

:
100V

:
370mA

:
1MHz

:
1Outputs

:
SMD

:
MSOP

:
16Pins

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

Product Overview

The LT3756EMSE#PBF is a LED Controller designed to operate as a constant-current source for driving high current LEDs. It drives a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A ground referenced voltage FB pin serves as the input for several LED protection features and also makes it possible for the converter to operate as a constant-voltage source. A frequency adjust pin allows the user to program the frequency from 100kHz to 1MHz to optimize efficiency, performance or external component size. The LT3756 sense output current at the high side of the LED string. High side current sensing is the most flexible scheme for driving LEDs, allowing boost, buck mode or buck-boost mode configuration. The PWM input provides LED dimming ratios of up to 3000:1 and the CTRL input provides additional analogue dimming capability.
  • 3000:1 True colour PWM™ dimming
  • Constant-current and constant-voltage regulation
  • 100mV High-side current sense
  • Drives LEDs in boost, buck mode, buck-boost mode, SEPIC or Flyback topology
  • 100kHz to 1MHz Adjustable frequency
  • Open LED protection
  • Programmable under-voltage lockout with hysteresis
  • PWM disconnect switch driver
  • CTRL pin provides analogue dimming
  • Low shutdown current (<1µA)
  • Programmable soft-start

Applications

LED Lighting, Power Management

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