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Manufacturer / Brand: AD
Details: 60VIN LED Converter with Internal PWM Generator
Series: LT3955
Quantity Available: Over 77470 pieces

Datasheet for LT3955:

LT3955 datasheet
Price for LT3955
Product Parameters
  • Manufacturer Part Number : LT3955
  • Manufacturer : AD
  • Description : 60VIN LED Converter with Internal PWM Generator
  • Series : LT3955
  • Reference Price : USD 3
  • Our Price : We have a better price, contact us by email
  • Product Type : LED Driver IC
  • Function : Multitopology LED Driver
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LT3955
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LT3955
Product Detailed Description for LT3955

The LT3955 is a DC/DC converter designed to operate as a constant-current source and constant-voltage regulator. It features an internal low side N-channel MOSFET rated for 80V/3.5A. The LT3955 is ideally suited for driving high current LEDs, but also has features to make it suitable for charging batteries and supercapacitors. The fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A voltage feedback 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 LT3955 senses output current at the high side or at the low side of the load. The PWM input can be configured to self-oscillate at fixed frequency with duty ratio programmable from 4% to 96%. When driven by an external signal, the PWM input provides LED dimming ratios of up to 3000:1. The CTRL input provides additional analog dimming capability.

Applications

  • High Power LEDs
  • Output Short-Circuit Protected Boost
  • Battery and SuperCap Chargers
  • Accurate Current Limited Voltage Regulators
Lifecycle information of LT3955

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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