78ST112VC

Voltage - Output 3:	--
Base Part Number:	78ST112
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:	90%
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:	12V
Voltage - Input (Max):	30V
Voltage - Input (Min):	14.5V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC-DC Converters - 78ST112VC Application Field and Working PrincipleDC-DC converters are popular and useful components in the world of electronics. The fundamental functionality of a DC-DC converter is to convert an input direct-current (DC) voltage to a different output direct-current voltage. DC-DC converters are used in numerous applications, and they can be adapted for use in many different consumer and industrial products. One example of a DC-DC converter is the 78ST112VC, a fixed-frequency synchronous buck converter that is designed to deliver output voltages ranging from 2.5 V to 5.5 V. This article will explore the application field and working principle of the 78ST112VC. Application FieldThe 78ST112VC is a synchronous buck-converter type DC-DC converter that is intended for use in a wide range of application fields. The 78ST112VC can be used in devices ranging from computers and consumer electronics to industrial and automotive products. Some of the applications where the 78ST112VC can be used include notebook computer adapters, set-top boxes, DVD players, video game consoles, automotive applications, and telecommunications. The 78ST112VC can also be used in industrial and medical equipment. The 79ST112VC is designed to operate over a wide temperature range, from -40°C to 125°C. This makes it suitable for use in a wide variety of environments. It has a maximum output current rating of 2.5 A and a maximum power rating of 18 W. The core items in the 78ST112VC are an isolated poly-phase transformer, a surface-mounted MOSFET, and a shield case structure with isolation baseplate. Working PrincipleThe 78ST112VC DC-DC converter operates using a synchronous buck-converter principle. In a synchronous buck-converter circuit, power is transferred from the input voltage source to an inductor. The inductor then stores energy in the form of a magnetic field, and this energy is then transferred to the output voltage source. The 78ST112VC is designed to provide an output voltage of between 2.5 V and 5.5 V. The desired output voltage is determined by the size of the inductor. The larger the inductor, the higher the output voltage. As the output voltage rises, the power transferred from the input to the output decreases. This is due to the limited current flow of the 78ST112VC.The 78ST112VC buck-converter is designed to operate at a fixed frequency. This frequency is determined by the size of the inductor. The larger the inductor, the lower the operating frequency. The benefit of a fixed-frequency buck-converter is that it is more efficient than variable-frequency converters. The 78ST112VC is designed to be efficient at light-loads, allowing it to reduce energy consumption when the load is light. This is achieved through a combination of high efficiency and low power dissipation. ConclusionThe 78ST112VC is a synchronous buck-converter type DC-DC converter that is intended for use in a wide range of applications. It is designed to operate over a wide temperature range and can provide a guaranteed output voltage range of between 2.5 V and 5.5 V. The power output is limited by a maximum of 2.5 A and 18 W. The operating frequency is determined by the size of the inductor and the 78ST112VC is designed to be efficient at light loads.

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