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GS1117 New Product Vishay Semiconductors formerly General Semiconductor 800mA Low Dropout Positive Adjustable Regulator SOT-223 TO-252 (DPak) TO-220AB TO-263AB (D2Pak) 1 2 3 1 1 3 2 1 2 3 2 3 GS1117CST GS1117CE GS1117CT GS1117CM Pin Definition 1. Adjust/Gnd. 2. Vout (tab) 3. Vin Description The 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 output voltage versions, the output voltage is internally set at 2.5V, 2.85V, 3.3V or 5V. Dropout is guaranteed at a maximum 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. 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 Applications SCSI-2 Active Terminator Post Regulator for Switching Supply Battery Chargers Constant-Current Regulators PC Add-On Card Functional Block Diagram VIN Current Amp Mechanical Data Case: TO-220AB, TO-263AB (D2PAK), TO-252 (DPAK) and SOT-223 High temperature soldering guaranteed: 260°C/10 seconds at terminals VREF 1.25V 55µA + ...