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LT1947

Linear Technology
Part Number LT1947
Manufacturer Linear Technology
Description Adjustable Output TFT-LCD Triple Switching Regulator
Published Mar 22, 2005
Detailed Description LT1947 Adjustable Output TFT-LCD Triple Switching Regulator FEATURES s s s s s s s s s s s DESCRIPTIO Complete Solutio...
Datasheet PDF File LT1947 PDF File

LT1947
LT1947

Overview
LT1947 Adjustable Output TFT-LCD Triple Switching Regulator FEATURES s s s s s s s s s s s DESCRIPTIO Complete Solution Under 1.
2mm Develops Three Outputs from a 3.
3V or 5V Supply Externally Programmable VON Delay Fixed Frequency Low Noise Outputs All Ceramic Capacitors 3MHz Switching Frequency Fast Transient Response Few External Components Required 2.
7V to 8V Input Range Adjustable AVDD and VON Voltages Tiny 10-Lead MSOP Package U APPLICATIO S s s s s TFT-LCD Notebook Display Panels TFT-LCD Desktop Monitor Display Panels Digital Cameras Handheld Computers The LT®1947 is a highly integrated multiple output DC/DC converter designed for use in TFT-LCD panels.
The device contains two independent switching regulators.
The main regulator has an adjustable output voltage with an internal 1.
1A switch that can generate a boosted voltage as high as 30V.
The second regulator’s output is also adjustable up to 30V and can deliver 10mA for positive bias.
A simple level-shift charge pump off t...


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