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NUD4001 반도체 회로 부품 판매점

High Current LED Driver



ON Semiconductor 로고
ON Semiconductor
NUD4001 데이터시트, 핀배열, 회로
www.DataSheet4U.com
NUD4001
High Current LED Driver
This device is designed to replace discrete solutions for driving
LEDs in low voltage ACDC 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 (SO8)
PbFree 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 Backup Applications, also Simple NiCAD
Battery Charging
Industrial: Low Voltage Lighting Applications and Small Appliances
Automotive: Tail Lights, Directional Lights, Backup Light,
Dome Light
PIN FUNCTION DESCRIPTION
Pin Symbol
Description
1 Vin 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 Rext An external resistor between Rext and Vin pins sets
different current levels for different application needs
4
5, 6, 7, 8
GND
Iout
Ground
The LEDs are connected from these pins to ground
http://onsemi.com
PIN CONFIGURATION
AND SCHEMATIC
Vin 1
Boost 2
Rext 3
GND 4
Current
Set Point
8 Iout
7 Iout
6 Iout
5 Iout
8
1
SO8
CASE 751
STYLE 25
MARKING
DIAGRAM
8
4001
AYWW
G
1
4001 = Specific Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = PbFree Device
ORDERING INFORMATION
Device
Package
Shipping
NUD4001DR2
SO8 2500 / Tape & Reel
NUD4001DR2G SO8 2500 / Tape & Reel
(PbFree)
†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.
© Semiconductor Components Industries, LLC, 2006
June, 2006 Rev. 6
1
Publication Order Number:
NUD4001/D


NUD4001 데이터시트, 핀배열, 회로
NUD4001
MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
Rating
Symbol
Value
Unit
Continuous Input Voltage
Nonrepetitive Peak Input Voltage (t v 1.0 ms)
Output Current
(For Vdrop 2.2 V) (Note 1)
Output Voltage
Human Body Model (HBM)
Vin
Vp
Iout
Vout
ESD
30
60
500
28
1000
V
V
mA
V
V
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. Vdrop = Vin – 0.7 V VLEDs.
THERMAL CHARACTERISTICS
Characteristic
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Total Power Dissipation (Note 2)
Derating above 25°C (Figure 3)
Thermal Resistance, Junction–to–Ambient (Note 2)
Thermal Resistance, Junction–to–Lead (Note 2)
2. Mounted on FR4 board, 2 in sq pad, 2 oz coverage.
Symbol
TA
TJ
TSTG
PD
RqJA
RqJL
Value
40 to +125
150
55 to +150
1.13
9.0
110
77
Unit
°C
°C
°C
W
mW/°C
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Output Current1
(Vin = 12 V, Rext = 2.0 W, VLEDs = 10 V)
Output Current2
(Vin = 30 V, Rext = 7.0 W, VLEDs = 24 V)
Bias Current
(Vin = 12 V, Rext = Open, VLEDs = 10 V)
Voltage Overhead (Note 3)
3. Vover = Vin – VLEDs.
Symbol
Iout1
Iout2
IBias
Vover
Min Typ Max Unit
305 325 345 mA
95 105 115 mA
5.0 8.0 mA
1.4 V
http://onsemi.com
2




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NUD4001

High Current LED Driver - ON Semiconductor



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High Current LED Driver - ON Semiconductor