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NUD4301 반도체 회로 부품 판매점

Dual Low Dropout Voltage LED Driver/Current Source



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ON Semiconductor
NUD4301 데이터시트, 핀배열, 회로
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NUD4301
Advance Information
Dual Low Dropout Voltage
LED Driver/Current Source
This device is designed to replace switching regulators for driving
LEDs in low voltage DC battery applications (up to 6 V). Its unique
integrated circuit design provides low dropout voltage (less than
200 mV), which makes it ideal for battery applications where voltage
overhead is limited. An external resistor allows the circuit designer to
set the LED current for different applications needs. The device is
packaged in a small surface mount leadless package (DFN8), which
results in a significant reduction of both system cost and board space.
Features
Ultra Low Dropout Voltage < 200 mV
Programmable Output Current from 1 mA to 30 mA
Dual Output with Independent Current Limit Set
DC Current in LED
Analog/Digital PWM Capability
This is a Pb−Free Device
Typical Applications
Portables: PDAs, Cell phones
Li−Ion Battery Applications
9
Vcc
http://onsemi.com
MARKING
DIAGRAM
DFN8
CASE 506AQ
43 M G
1G
43 = Specific Device Code
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
PIN CONFIGURATION
1 23 4
9
1
Enable
2
Dim
3
NC
ÎÎÎÎEnaÎÎble ÎÎ
PWM
ÎÎÎÎÎÎÎAnalog/Digital
ÎÎÎÎÎÎÎControl
Current
Limit FET1
Current
ÎÎÎÎÎÎLimit FET2
4
Gnd
Figure 1. Block Diagram
6
Drain1
8 76 5
(Bottom View)
7
Drain2
ORDERING INFORMATION
Device
Package
Shipping
NUD4301MNT1G DFN8 3000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
8
Source2
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
5
Source1
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. P3
1
Publication Order Number:
NUD4301/D


NUD4301 데이터시트, 핀배열, 회로
NUD4301
FUNCTIONAL PIN DESCRIPTIONS
Pin Function
Description
1
Enable
The device is enabled with a positive voltage signal at this pin. The enable controls both channels.
2 Dim This pin is used for analog or PWM dimming control. An analog signal of 0 – 3.3 volts is required, or a PWM
signal with an amplitude greater than 3.3 volts. The dim controls both channels.
3
N.C.
No connection.
4 Gnd Ground Reference to the device.
5 Source1 Source terminal of the FET 1
6
Drain1
Drain terminal of the FET 1, which is also the switching node of the load 1.
7
Drain2
Drain terminal of the FET 2, which is also the switching node of the load 2.
8 Source2 Source terminal of the FET 2
9 Vcc Input voltage to the LED driver. This voltage is compatible with any battery based systems of up to 6 V.
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Input Voltage, Operating
Steady State (VCC to Gnd)
Transient (1 ms)
VCC
−0.3 to 6
−0.3 to 7
V
Drain Voltage, Operating
Steady State (Drain−to−Source)
Transient (1 ms)
VDS
−0.3 to 6
−0.3 to 7
V
Enable Voltage, Operating
Dim Voltage, Operating
Drain Current, Peak
Drain Current, Continuous
Thermal Resistance, Junction−to−Air (Note 1)
Power Dissipation @ TA = 25°C (Note 1)
Derating above 25°C
Steady State
Steady State
VEN
Vdim
IDpk
ID(avg)
QJA
Pmax
−0.3 to 6
−0.3 to 3.6
100
30
365
340
2.7
V
V
mA
mA
°C/W
mW
mW/°C
Operating Temperature Range
TJ
−40 to 150
°C
Non−Operating Temperature Range
TJ
−55 to 175
°C
Maximum Lead Temperature for Soldering Purposes (1.8” from case for 10 s)
TL
260 °C
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. Mounted onto minimum pad board.
http://onsemi.com
2




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Dual Low Dropout Voltage LED Driver/Current Source - ON Semiconductor