This post explains for the semiconductor KIA1117.
The Part Number is KIA1117.
The function of this semiconductor is 1A LOW DROPOUT FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS.
Manufacturers : KIA
Preview images :
KIA SEMICONDUCTORS 1A LOW DROPOUT FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS 1117 SERIES 1.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. The KIA1117 offers current limiting and thermal protection.The on chip trimming adjusts the reference voltage accuracy to 2%. 2.Features Output current of 1A typical Three-terminal adjustable or fixed 1.5V,1.8V,2.5V,2.85V,3.0V,3.3V,5.0V outputs Thermal protection built in Fast transient response 3.Applications PC motherboard LCD monitor DVD-Video player NIC/switch Telecom equipment High efficiency linear regulator Printer and other peripheral equipment Battery charger 4.Pinning information Table1: Pinning-SOT223,simplified outline Pin Description 1 ADJ/GND 2 VOUT 3 VIN Simplified […]