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GS1117
800mA Low Dropout Positive Adjustable Regulator
GS11 17Vishay Semiconductors
formerly General Semiconductor
New Product
800mA Low Dropout
Positive Adjustable Regulator
DescriptionThe GS1117 is a low dropout three terminal regulator with
800mA output current capability. The output voltage is
adjustable with the use of a resistor divider. For fixed out-
put voltage versions, the output voltage is internally set at
2.5V, 2.85V, 3.3V or 5V. Dropout is guaranteed at a maxi-
mum of 1.4V at maximum output current. Its low dropout
voltage and fast transient response make it ideal for low
voltage microprocessor applications. Internal thermal limiting
provides protection against any overload condition that
would create excessive junction temperatures.
Applications• SCSI-2 Active Terminator
• Post Regulator for Switching Supply
• Battery Chargers
• Constant-Current Regulators
• PC Add-On Card
Mechanical Data
Case: TO-220AB, TO-263AB (D2 PAK),
TO-252 (DPAK) and SOT-223
High temperature soldering guaranteed:260°C/10 seconds at terminals
Case outlines are on the back page
Functional Block Diagram
Features• Dropout Voltage 1.2V at 800mA Output Current
• Fast Transient Response
• Line Regulation typically at 0.015%
• Load Regulation typically at 0.1%
• Internal thermal limiting
• Adjustable Output Voltage or Fixed 2.5V, 2.85V, 3.3V, 5V
• Standard 3-Pin Power Packages
TO-220AB TO-263AB2 Pak)GS1117CT GS1117CMGS1117CE
TO-252
(DPak) 33
GS1117CST
SOT-223
Pin Definition Adjust/Gnd.
Vout (tab)
Vin
