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Manufacturer / Brand: AD
Details: Constant-Current DC/DC LED Driver in ThinSOT
Series: LT1932
Quantity Available: Over 8150 pieces

Datasheet for LT1932:

LT1932 datasheet
Price for LT1932
Product Parameters
  • Manufacturer Part Number : LT1932
  • Manufacturer : AD
  • Description : Constant-Current DC/DC LED Driver in ThinSOT
  • Series : LT1932
  • Reference Price : USD 1.464
  • Our Price : We have a better price, contact us by email
  • Product Type : LED Driver IC
  • Function : Step-Up (Boost) LED Drivers
  • 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 : LT1932
  • 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 LT1932
Product Detailed Description for LT1932

The LT1932 is a fixed frequency step-up DC/DC converter designed to operate as a constant-current source. Because it directly regulates output current, the LT1932 is ideal for driving light emitting diodes (LEDs) whose light intensity is proportional to the current passing through them, not the voltage across their terminals.

With an input voltage range of 1V to 10V, the device works from a variety of input sources. The LT1932 accurately regulates LED current even when the input voltage is higher than the LED voltage, greatly simplifying battery-powered designs. A single external resistor sets LED current between 5mA and 40mA, which can then be easily adjusted using either a DC voltage or a pulse width modulated (PWM) signal. When the LT1932 is placed in shutdown, the LEDs are disconnected from the output, ensuring a quiescent current of under 1µA for the entire circuit. The device’s 1.2MHz switching frequency permits the use of tiny, low profile chip inductors and capacitors to minimize footprint and cost in space-conscious portable applications.

Applications

  • Cellular Telephones
  • Handheld Computers
  • Digital Cameras
  • Portable MP3 Players
  • Pagers
 
Lifecycle information of LT1932

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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