nud4001 ON Semiconductor, nud4001 Datasheet

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nud4001

Manufacturer Part Number
nud4001
Description
High Current Led Driver
Manufacturer
ON Semiconductor
Datasheet

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NUD4001
High Current LED Driver
LEDs in low voltage AC−DC applications 5.0 V, 12 V or 24 V. 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 and board
space. The device is a small surface mount package (SO–8).
Features
Benefits
Typical Applications
© Semiconductor Components Industries, LLC, 2006
June, 2006 − Rev. 6
PIN FUNCTION DESCRIPTION
5, 6, 7, 8
This device is designed to replace discrete solutions for driving
Battery Charging
Dome Light
Supplies Constant LED Current for Varying Input Voltages
External Resistor Allows Designer to Set Current – up to 500 mA
Offered in Surface Mount Package Technology (SO−8)
Pb−Free Package is Available
Maintains a Constant Light Output During Battery Drain
One Device can be used for Many Different LED Products
Reduces Board Space and Component Count
Simplifies Circuit and System Designs
Portables: For Battery Back−up Applications, also Simple Ni−CAD
Industrial: Low Voltage Lighting Applications and Small Appliances
Automotive: Tail Lights, Directional Lights, Back−up Light,
Pin
1
2
3
4
Symbol
Boost
GND
R
I
V
out
ext
in
Positive input voltage to the device
This pin may be used to drive an external transistor
as described in the App Note AND8198/D.
An external resistor between R
different current levels for different application needs
Ground
The LEDs are connected from these pins to ground
Description
ext
and V
in
pins sets
1
†For information on tape and reel specifications,
NUD4001DR2
NUD4001DR2G
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Boost
8
GND
R
Device
V
ext
in
1
4001 = Specific Device Code
A
Y
WW
G
ORDERING INFORMATION
1
2
3
4
PIN CONFIGURATION
http://onsemi.com
AND SCHEMATIC
= Assembly Location
= Year
= Work Week
= Pb−Free Device
CASE 751
STYLE 25
(Pb−Free)
SO−8
Package
Set Point
SO−8
SO−8
Current
Publication Order Number:
8
1
2500 / Tape & Reel
2500 / Tape & Reel
MARKING
DIAGRAM
AYWW
Shipping
4001
G
8
7
6
5
NUD4001/D
I
I
I
I
out
out
out
out

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nud4001 Summary of contents

Page 1

... ORDERING INFORMATION Device Package Shipping SO−8 2500 / Tape & Reel SO−8 2500 / Tape & Reel (Pb−Free) including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. Publication Order Number: NUD4001/D I out I out I out I out † ...

Page 2

MAXIMUM RATINGS (T = 25°C unless otherwise noted) A Rating Continuous Input Voltage Non−repetitive Peak Input Voltage (t v 1.0 ms) Output Current (For V ≤ 2.2 V) (Note 1) drop Output Voltage Human Body Model (HBM) Maximum ratings are ...

Page 3

I (mA) OUT Figure 1. Output Current (I vs. External Resistor (R 1.200 1.000 0.800 0.600 0.400 0.200 0.000 AMBIENT TEMPERATURE (°C) A Figure 3. ...

Page 4

... D_driver drop out 0 0.350 A D_driver 0.280 Watts D_driver 7. Establish Power Dissipation on the NUD4001 device’s control circuit per Figure Figure 4, for 12 V input voltage D_control 0.055 W D_control 8. Calculate Total Power Dissipation on the device ...

Page 5

... D1 1N4004 R1 2 bat 13.5 Vdc − 0 Figure 7. Stop light automotive circuit using the NUD4001 device D1 1N4004 R1 7 bat 13.5 Vdc − 0 Figure 8. Dome light automotive circuit using the NUD4001 device TYPICAL APPLICATION CIRCUITS 2 NUD4001 5 drive one high current LED (550 mA) ...

Page 6

... V bat 12 Vdc − Figure 9. NUD4001 Device Configuration for PWM D1 MURA105T3 12 Vac from Transformer or Electronic Transformer D3 MURA105T3 Figure 10. 12 Vac landscape lighting application circuit using the NUD4001 device to drive three 350 mA LEDs ext1 2.0 W, 1/4 W NUD4001 ...

Page 7

... NUD4001 Power Dissipation The power dissipation of the SO− function of the pad size. This can vary from the minimum pad size for soldering to a pad size given for maximum power dissipation. Power dissipation for a surface mount device is determined the maximum rated junction temperature of the die, ...

Page 8

... J J 0.19 0.25 0.007 0.010 K 0.40 1.27 0.016 0.050 0.25 0.50 0.010 0.020 S 5.80 6.20 0.228 0.244 STYLE 25: PIN 1. VIN 2. N/C 3. REXT 4. GND 5. IOUT 6. IOUT 7. IOUT 8. IOUT mm inches ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NUD4001/D _ ...

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