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NUD4011/D Datasheet

  • NUD4011/D

  • Low Current LED Driver

  • 49.61KB

  • 6頁

  • ETC

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NUD4011
Product Preview
Low Current LED Driver
This device is designed to replace discrete solutions for driving
LEDs in AC/DC applications. An external resistor allows the circuit
designer to set the drive current for different LED arrays. This discrete
integration technology eliminates individual components by
combining them into a single package, which results in a significant
reduction of both system cost & board space. The device is a small
surface mount package (SO鈥?).
Features
http://onsemi.com
PIN CONFIGURATION
AND SCHEMATIC
鈥?/div>
Supplies Constant LED Current for Varying Input Voltages.
鈥?/div>
External Resistor Allows Designer to Set Current 鈥?up to 100 mA.
鈥?/div>
Offered in Surface Mount Package Technology (SO鈭?).
Benefits
V
in
N/C
R
ext
GND
Current
Set Point
I
out
I
out
I
out
I
out
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Maintains a Constant Light Output During Battery Drain.
One Device Can Be Used for Many Different LED Products.
Reduces Board Space & Component Count.
Simplifies Circuit and System Designs.
Typical Applications
鈥?/div>
Portables: For Battery Back鈭抲p Applications, also Simple Ni鈭扖AD
Battery Charging.
鈥?/div>
Industrial: General Lighting Applications and Small Appliances.
鈥?/div>
Automotive: Tail Lights, Directional Lights, Back鈭抲p Light,
Dome Light.
PIN FUNCTION DESCRIPTIONS
Pin
1
2
3
4
5, 6, 7, 8
Symbol
V
in
N/C
R
ext
GND
I
out
Description
Positive input voltage to the device
No connection
An external resistor between R
ext
and V
in
pins sets
different current levels for different application needs
Ground
The LEDs are connected from these pins to ground
1
4011
A
Y
W
8
8
1
SO鈭?
CASE 751
MARKING DIAGRAM
4011
AYWW
= Specific Device Code
= Assembly Location
= Year
= Work Week
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
ORDERING INFORMATION
Device
NUD4011DR2
Package
SO鈭?
Shipping
鈥?/div>
2500 / Tape & Reel
鈥燜or information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
漏
Semiconductor Components Industries, LLC, 2003
1
December, 2003 鈭?Rev. P0
Publication Order Number:
NUD4011/D

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