78ST109VC

Voltage - Output 3:	--
Base Part Number:	78ST109
Size / Dimension:	0.90" L x 0.31" W x 0.94" H (22.9mm x 7.9mm x 23.9mm)
Package / Case:	3-SIP Module
Mounting Type:	Through Hole
Efficiency:	--
Operating Temperature:	-40°C ~ 85°C
Features:	OTP, SCP
Applications:	ITE (Commercial)
Current - Output (Max):	1.5A
Series:	78ST100
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	30V
Voltage - Input (Min):	7V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters DC–DC converters are integral components for providing power supply in an efficiently and cost-effective manner for various electronic and electrical applications. The 78ST109VC is a particular type of converter of advanced technology used in the electronics and computer industries. It features a synchronous step-down DC–DC converter, which efficiently delivers power to LED drivers, ASICs and other electronic components. The main application of 78ST109VC is power management of withstanding loads up to five amperes. This converter is extensively used as a power supply for personal computing platforms, for mission critical applications, and for various applications in consumer electronics. Several other applications of the 78ST109VC include high pixel camera devices, memory modules, lithium battery charger, industrial appliances, vehicles and aerospace systems. The converter\'s idle mode current and output ripple noise is reduced to a minimum, thus delivering a high-efficiency performance for its users.When it comes to its working principle, the 78ST109VC is a non-isolated DC–DC synchronous step-down (buck) converter that features a step-down output voltage topology. The converter has two primary stages, where a high-frequency transformer steps down the input voltage, and then a switching controller section controls the switching operations. The step-down output voltage topology enables the converter to achieve the desired output current while maintaining a low output voltage. In addition to the output voltage topology, the 78ST109VC also features a number of additional characteristics. Firstly, its efficient power conversion is enabled by the advanced technology and the advanced wide-range high-frequency transformer. Secondly, it also utilizes a patent self-biased circuit that extends the external components’ life span and enhances the converter’s thermal stability capability and cost effectiveness. Finally, its synchronization scheme reduces the switching losses, thus resulting in higher efficiency. The primary components of the 78ST109VC are its power transistor and its microcontroller, which is responsible for the monitoring of the device’s temperature, output voltage, current, overlong protection and other parameters. It also contains several other components that aid in its power conversion and monitoring processes, such as rectifier diodes, capacitors, resistors, and an oscillator circuit. In conclusion, the 78ST109VC is a advanced DC–DC converter with a synchronous step-down output voltage topology. The converter’s high-efficiency power conversion delivers power from an input power source to load applications, making it suitable for a number of applications in the electronics and computer industries. Its advanced technology and additional features further elevate its performance and cost-effectiveness in comparison with other converters of its kind.

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