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LM3410 - Constant Current Boost and SEPIC LED Driver

Datasheet Summary

Description

The LM3410 constant current LED driver is a monolithic, high frequency, PWM DC/DC converter in 5-pin SOT23, 6-pin LLP, & 8-pin eMSOP packages.

With a minimum of external components the LM3410 is easy to use.

It can drive 2.8A typical peak currents with an internal 170 mΩ NMOS switch.

Features

  • include dimming, cycle-by-cycle current limit, and thermal shutdown. Features.
  • Space Saving SOT23-5 & 6-LLP Package Input voltage range of 2.7V to 5.5V Output voltage range of 3V to 24V 2.8A Typical Switch Current High Switching Frequency.
  • 525 KHz (LM3410-Y).
  • 1.6 MHz (LM3410-X) 170 mΩ NMOS Switch 190 mV Internal Voltage Reference Internal Soft-Start Current-Mode, PWM Operation Thermal Shutdown.

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Datasheet Details

Part number LM3410
Manufacturer National Semiconductor
File Size 743.73 KB
Description Constant Current Boost and SEPIC LED Driver
Datasheet download datasheet LM3410 Datasheet
Additional preview pages of the LM3410 datasheet.

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Full PDF Text Transcription

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LM3410 PowerWise® 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation January 23, 2008 LM3410 PowerWise® 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation General Description The LM3410 constant current LED driver is a monolithic, high frequency, PWM DC/DC converter in 5-pin SOT23, 6-pin LLP, & 8-pin eMSOP packages. With a minimum of external components the LM3410 is easy to use. It can drive 2.8A typical peak currents with an internal 170 mΩ NMOS switch. Switching frequency is internally set to either 525 kHz or 1.60 MHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 88% are easy to achieve.
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