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LT1948 Datasheet (PDF) - Linear Integrated Systems

LT1948 Datasheet PDF - Linear Integrated Systems
Part # LT1948
Download  LT1948 Download

File Size   139.27 Kbytes
Page   4 Pages
Manufacturer  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Description DC/DC Converter for TFT-LCD Panels

LT1948 Datasheet (PDF)

Go To PDF Page Download Datasheet
LT1948 Datasheet PDF - Linear Integrated Systems

Part # LT1948
Download  LT1948 Click to download

File Size   139.27 Kbytes
Page   4 Pages
Manufacturer  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems
Description DC/DC Converter for TFT-LCD Panels

LT1948 Datasheet (HTML) - Linear Integrated Systems

LT1948 Datasheet HTML 1Page - Linear Integrated Systems LT1948 Datasheet HTML 2Page - Linear Integrated Systems LT1948 Datasheet HTML 3Page - Linear Integrated Systems LT1948 Datasheet HTML 4Page - Linear Integrated Systems

LT1948 Product details

DESCRIPTION
The LT®1948 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 while the second regulator generates 23V at up to 10mA for positive bias. A simple level-shift charge pump off the main switch node generates the negative bias voltage. An external capacitor sets the delay time from AVDD reaching final value to 23V appearing at the VON pin.

FEATURES
■ 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
■ Operates at 3MHz Switching Frequency
■ Fast Transient Response
■ Few External Components Required
■ 2.6V to 6V Input Range
■ Tiny 8-Lead MSOP Package

APPLICATIONS
■ TFT-LCD Notebook Display Panels
■ TFT-LCD Desktop Monitor Display Panels
■ Digital Cameras
■ Handheld Computers




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