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NUD4001/D Datasheet

  • NUD4001/D

  • High Current LED Driver

  • 49.77KB

  • 6頁

  • ETC

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NUD4001
Product Preview
High Current LED Driver
This device is designed to replace discrete solutions for driving
LEDs in low voltage DC applications 5V, 12V or 24V. 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 350 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: Low Voltage 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
4001
A
Y
W
8
8
1
SO鈭?
CASE 751
MARKING DIAGRAM
4001
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
NUD4001DR2
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:
NUD4001/D

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