This post explains for the Voltage Regulator.
The Part Number is KIA1117.
The function of this semiconductor is 1A, positive adjustable and fixed regulator.
The package is SOT-223 Type
Manufacturer: KIA Semiconductor
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Description
The KIA1117 series of positive adjustable and fixed regulators is designed to provide 1A for applications requiring high efficiency.All internal circuitry is designed to operated down to 800mA input to output differential and the dropout voltage is fully specified as a function of load current.
Voltage regulators can be found in a variety of electronic devices, including power supplies, batteries, and automotive systems.
2 page
Features
1. Output current of 1A typical
2. Three-terminal adjustable or fixed
3. 1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0V outputs
4. Thermal protection built in
5. Fast transient response
Applications:
1. DVD-Video player
2. NIC/switch
3. Telecom equipment
4. High efficiency linear regulator
5. Printer and other peripheral equipment
KIA1117 PDF Datasheet
