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Analog Devices 16-Channel, 12/16-Bit Digital-to-Analog Converters Target Telecom Optical-Module Control, samples available from Anglia
Analog Devices has launched a pair of highly integrated 16-channel digital-to-analog (D/A) converters that significantly reduce the system footprint for wired telecommunications systems, yet without any performance compromise.
 

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DLD101 - 1A rated linear mode constant current LED driver fron Diodes Inc.

Diode's AP5727 - Boost converter for the bias voltage of small size OLED and LCD displays  

The DLD101 is a 1A
rated linear mode
constant current driver specifically designed for driving LEDs for illumination and indication applications.
It has been configured
using optimised discretes in a thermally
efficient DFN package.

It can also be used for low cost applications that require DC current regulation.

The DLD101 has been designed primarily for solid state lighting applications, to be used as a current sink circuit solution for LEDs. It features a N-channel MOSFET capable of 1A drive current and a prebiased NPN transistor (which allows direct connection to the base, or via a series base resistor).

Description

The DLD101 linear constant current driver is rated up to 1A and the LED current is programmed with one external resistor, offering a low cost, space saving LED drive solution.

DFN, flat, no lead package

  • Saves board space, allowing for higher integration of PC board

DFN package - highly thermally efficient

  • Provides higher power dissipation than relatively comparable SOT-23 form factor

1A current capability

  • High drain current MOSFET element for increased light intensity output of the LEDs and lower bias current than provided by BJT pass elements

Uses unique PBT or double base connection BJT to incorporate bias resistors into package

  • Integrates resistors and provides added circuit flexibility. E.g. can attach external capacitor across base resistor

Current set with one external resistor

  • Lower part count and lower total cost compared to other devices

Applications

  • Flashlights
  • Emergency lights
  • Garden lights
  • LED lights
  • Signage
  • Back lighting applications

Click here to download a datasheet

For more information on the full range of Diodes Inc. products available from Anglia please call +44 (0)1945 474747 or email info@anglia.com

Alternatively, click on this link to go to the main Diodes Inc. section where you can view other news articles and product data.

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This news article was originally published in May 2010.

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11/5/10