LN9310 - Tiny Package Low Dropout Current Source

Datasheet Details

Part number	LN9310
Manufacturer	natlinear
File Size	267.70 KB
Description	Tiny Package Low Dropout Current Source
Datasheet	LN9310 Datasheet

General Description

The LN9310 low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs.

The LN9310 uses a internal resistor to set the bias current for six LEDs, which are matched to 3%.

The LN9310'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.

Overview

Tiny Package Low Dropout Current Source LN9310 ■ General.

Key Features

a low 60mV dropout at 20mA.
3% High accuracy current matching.
20mA full scale current.
PWM brightness control.
2.5V to 5.5V supply voltage range.
Thermal shutdown protection.
Under-voltage protection.
Package.
DFN3×3-10.
QFN3×3-16 Function Denotes Package Type: DFN3×3-10 Denotes Package Type: QFN3×3-16 Embossed Tape :Standard Feed Embossed Tape :Reverse Feed Normal package Pb Free package Green package Rev.1.0.
June.14, 2011 1 www. natline.

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