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LN9300

Part Number	LN9300
Manufacturer	natlinear
Description	Tiny Package Low Dropout Current Source
Published	Dec 4, 2018
Detailed Description	Tiny Package Low Dropout Current Source LN9300 ■ General Description The LN9300 low-dropout bias supply for white LEDs...
Datasheet	LN9300 PDF File

Overview

Tiny Package Low Dropout Current Source LN9300 ■ General Description The LN9300 low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs.
The LN9300 uses a internal resistor to set the bias current for four LEDs, which are matched to 3%.
The LN9300's advantages over ballast resistors include much lower bias variation with supply voltage variation, significantly lower dropout voltage, and in some applications, significantly improved efficiency.
The LN9300 requires a 60mV dropout at a 20mA load on each output to match the LED brightness.
■ Applications  Next-Generation Wireless Handsets  PDAs, Palmtops, and Handy Terminals  Digital Cameras, Camcorders  Battery-Powered Equipment ■ Ordering Information LN9300 ①②③④ (Eg: LN9300ASPR) ■ Features  Ultra low 60mV dropout at 20mA  3% High accuracy current matching  20mA full scale current  PWM brightness control  2.
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