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NUD4001DR2G

P1-P3P4-P6P7-P8
© Semiconductor Components Industries, LLC, 2011
November, 2011 − Rev. 7
1 Publication Order Number:
NUD4001/D
NUD4001, NSVD4001
High Current LED Driver
This device is designed to replace discrete solutions for driving
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
• 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)
• AEC−Q101 Qualified and PPAP Capable
• NSV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements
• Pb−Free Package is Available
Benefits
• 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
Typical Applications
• Portables: For Battery Back−up Applications, also Simple Ni−CAD
Battery Charging
• Industrial: Low Voltage Lighting Applications and Small Appliances
• Automotive: Tail Lights, Directional Lights, Back−up Light,
Dome Light
PIN FUNCTION DESCRIPTION
Pin Symbol Description
1 V
in
Positive input voltage to the device
2 Boost This pin may be used to drive an external transistor
as described in the App Note AND8198/D.
3 R
ext
An external resistor between R
ext
and V
in
pins sets
different current levels for different application needs
4 GND Ground
5, 6, 7, 8 I
out
The LEDs are connected from these pins to ground
http://onsemi.com
Device Package Shipping
†
ORDERING INFORMATION
NUD4001DR2 SO−8 2500 / Tape & Reel
SO−8
CASE 751
STYLE 25
PIN CONFIGURATION
AND SCHEMATIC
1
8
R
ext
GND
V
in
I
out
I
out
I
out
Current
Set Point
4001 = Specific Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Device
MARKING
DIAGRAM
Boost I
out
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
1
2
3
4
8
7
6
5
NUD4001DR2G SO−8
(Pb−Free)
2500 / Tape & Reel
4001
AYWW
G
1
8
NSVD4001DR2G SO−8
(Pb−Free)
2500 / Tape & Reel
NUD4001, NSVD4001
http://onsemi.com
2
MAXIMUM RATINGS (T
A
= 25°C unless otherwise noted)
Rating
Symbol Value Unit
Continuous Input Voltage V
in
30 V
Non−repetitive Peak Input Voltage (t v 1.0 ms) V
p
60 V
Output Current
(For V
drop
≤ 2.2 V) (Note 1)
I
out
500 mA
Output Voltage V
out
28 V
Human Body Model (HBM) ESD 1000 V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. V
drop
= V
in
– 0.7 V − V
LEDs
.
THERMAL CHARACTERISTICS
Characteristic Symbol Value Unit
Operating Ambient Temperature T
A
−40 to +125 °C
Maximum Junction Temperature T
J
150 °C
Storage Temperature T
STG
−55 to +150 °C
Total Power Dissipation (Note 2)
Derating above 25°C (Figure 3)
P
D
1.13
9.0
W
mW/°C
Thermal Resistance, Junction–to–Ambient (Note 2)
R
q
JA
110 °C/W
Thermal Resistance, Junction–to–Lead (Note 2)
R
q
JL
77 °C/W
2. Mounted on FR−4 board, 2 in sq pad, 2 oz coverage.
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise noted)
Characteristic
Symbol Min Typ Max Unit
Output Current1
(V
in
= 12 V, R
ext
= 2.0 W, V
LEDs
= 10 V)
I
out1
305 325 345 mA
Output Current2
(V
in
= 30 V, R
ext
= 7.0 W, V
LEDs
= 24 V)
I
out2
95 105 115 mA
Bias Current
(V
in
= 12 V, R
ext
= Open, V
LEDs
= 10 V)
I
Bias
− 5.0 8.0 mA
Voltage Overhead (Note 3) V
over
1.4 −
−
V
3. V
over
= V
in
– V
LEDs
.
NUD4001, NSVD4001
http://onsemi.com
3
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C unless otherwise noted)
R
ext
, W
I
OUT
(mA)
Figure 1. Output Current (I
OUT
)
vs. External Resistor (R
ext
)
1
10
100
1000
1 10 1000
100
P
D
, POWER DISSIPATION (W)
T
A
, AMBIENT TEMPERATURE (°C)
0.000
0.200
0.400
0.600
0.800
1.000
1.200
25 35 45 55 65 75 85 95 105 115 125
0.6
−40 −10 20 50 80 110 155
T
J
, JUNCTION TEMPERATURE (°C)
Figure 2. V
sense
vs. Junction Temperature
V
sense
(V)
Figure 3. Total Power Dissipation (P
D
)
vs. Ambient Temperature (T
A
)
0.000
0.050
0.100
0.150
0.200
0.250
0.300
0.350
0.400
0.450
0.500
05
10 15 20 25 30
P
D_control
(W)
V
in
(V)
Figure 4. Internal Circuit Power Dissipation
vs. Input Voltage
Figure 5. Current Regulation vs. Junction
Temperature
0.5
0.4
0.3
0.2
0.1
0.0
0.9
0.8
0.7
−25 5 35 65 95 125 140
1.2
−40 −10 20 50 80 110 155
T
J
, JUNCTION TEMPERATURE (°C)
OUTPUT CURRENT, NORMALIZED
1.0
0.8
0.6
0.4
0.2
0.0
−25 5 35 65 95 125 140
P1-P3P4-P6P7-P8

NUD4001DR2G

Mfr. #:
Buy NUD4001DR2G
Manufacturer:
ON Semiconductor
Description:
LED Lighting Drivers MI 60V LED DRVR TR
Lifecycle:
New from this manufacturer.
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