Step-up driver pro LED?

[Pajpach]

Dobry den, vyrabi to Texas Instruments ( 
http://focus.ti.com/docs/prod/folders/print/tps61081.html ) A koupit se to 
da napriklad ve Farnellu.

Tady jsou ve zkratce parametry:
Features
2.5-V to 6-V Input Voltage Range
Up to 27-V Output Voltage
0.5-A Integrated Switch (TPS61080) 1.3-A Integrated Switch (TPS61081)
12 V/400 mA and 24 V/170 mA From 5-V Input (TYP)
Integrated Power Diode
1.2-MHz/600-kHz Selectable Fixed SwitchingFrequency
Input to Output Isolation
Short-Circuit Protection
Programmable Soft Start
Overvoltage Protection
Up to 87% Efficiency
10-Pin 3 mm×3 mm QFN Package
APPLICATIONS
3.3V to 12V, 5V to 12V and 24V Boost Converter
White LED Backlight for Media Form Factor Display
OLED Power Supply
xDSL Applications
TFT-LCD Bias Supply
White LED Flash Light
PowerPAD is a trademark of Texas Instruments.

S pozdravem
MP

-----Původní zpráva----- 
From: Vláďa Anděl
Sent: Sunday, May 29, 2011 10:54 PM
To: hw-list na list.hw.cz
Subject: Re: Step-up driver pro LED?

Kdo tyto obvody vyrábí? Google mi našel jen nějakou šikmookou stránku a
ve vyhledávání to stejně ten obvod nenašlo. A kde se to dá koupit?
Anděl