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NUD4301 Datasheet(数据表) 1 Page - ON Semiconductor

部件型号  NUD4301
说明  Dual Low Dropout Voltage LED Driver/Current Source
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

NUD4301 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. P3
1
Publication Order Number:
NUD4301/D
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
Figure 1. Block Diagram
/
9
Vcc
4
Gnd
1
Enable
2
Dim
5
Source1
6
Drain1
7
Drain2
8
Source2
3
NC
Enable
Current
Limit FET1
PWM
Control
Analog Digital
Current
Limit FET2
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
NUD4301MNT1G
DFN8
(Pb−Free)
3000/Tape & Reel
PIN CONFIGURATION
†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.
12
34
5
6
7
8
9
(Bottom View)
DFN8
CASE 506AQ
MARKING
DIAGRAM
43
= Specific Device Code
M
= Date Code
G
= Pb−Free Package
43 M
G
G
1
(Note: Microdot may be in either location)




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