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LINEAR TECHNOLOGY  LT3799EMSE#PBF  LED Driver, Flyback, 18V input, 1 Output, 300 kHz switch-freq., 3 A out, MSOP-16

LINEAR TECHNOLOGY LT3799EMSE#PBF
Manufacturer Part No:
LT3799EMSE#PBF
Order Code:
1898627
Technical Datasheet:
See all Technical Docs

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Product Overview

The LT3799EMSE#PBF is an offline isolated flyback LED Controller with power factor correction specifically designed for driving LEDs. The controller operates using critical conduction mode allowing the use of a small transformer. Using a novel current sensing scheme, the controller is able to deliver a well regulated current to the secondary side without using an optocoupler. A strong gate driver is included to drive an external high voltage MOSFET. Utilizing an onboard multiplier, the LT3799 typically achieves power factors of 0.97. The FAULT pin provides notification of open and short LED conditions. The LT3799 uses a micro-power hysteretic start-up to efficiently operate at offline input voltages, with a third winding to provide power to the part. An internal LDO provides a well regulated supply for the parts internal circuitry and gate driver.
  • Isolated PFC LED driver with minimum number of external components
  • TRIAC dimmable
  • VIN and VOUT limited only by external components
  • Active power factor correction
  • Low harmonic content
  • Accurate regulated LED current ±5% typical
  • Open LED and shorted LED protection

Product Information

Device Topology:
Flyback
No. of Outputs:
1Outputs
Output Current:
3A
Output Voltage:
-
Driver Case Style:
MSOP
No. of Pins:
16Pins
Input Voltage Min:
-
Input Voltage Max:
18V
Switching Frequency:
300kHz
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

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):
.0002

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