PT78ST105T

Series:	PT78ST100
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Non-Isolated PoL Module
Number of Outputs:	1
Voltage - Input (Min):	9V
Voltage - Input (Max):	38V
Voltage - Output 1:	5V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	1.5A
Applications:	ITE (Commercial)
Features:	OTP, SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	85%
Mounting Type:	Through Hole
Package / Case:	3-SIP Module
Size / Dimension:	--
Base Part Number:	PT78ST105

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?DC DC Converters DC-DC converters are power converters that take input power and convert it to a different voltage or current level. They are used extensively in various applications, both domestic and industrial. The PT78ST105T is one such DC-DC converter that has a wide variety of applications and is known for its features of high efficiency and minimal power dissipation. The PT78ST105T is an off-line switching regulator that comes with a built-in power MOSFET and uses a unique voltage regulator topology. It is ideal for low and medium power applications that require high efficiency and minimal power dissipation. It features a wide input voltage range of 4.75V-24V and a wide output voltage range of 1.2V-20V, with an adjustable frequency of up to 1MHz, making it an ideal choice for battery applications.The PT78ST105T works on the principles of pulse width modulation (PWM). The power switching is done on and off using a PWM signal generated by an internal oscillator. The pulse width corresponds to the desired output voltage, and the peak current limit compensates for output voltage variations. The programmable frequency makes the PT78ST105T suitable for various applications requiring high frequency switching.The PT78ST105T features several key benefits that make it an ideal choice for AC/DC, DC/DC and DC/AC power conversion applications. First, its high efficiency allows designers to reduce overall power consumption, resulting in increased system reliability. Additionally, this device helps to reduce component count, reducing wiring and saving space. Furthermore, the adjustable frequency makes it ideal for applications requiring fast transient response and/or low output ripple. The PT78ST105T has a variety of applications, including DC/DC output voltage regulation, DC/DC low power switching, DC/AC inverters, battery chargers and DC-motor speed control. This versatile device is suitable for use in both industrial and domestic applications, such as mobile phones, appliances, LED lighting, automobiles, medical instruments and power networks.In conclusion, the PT78ST105T is a powerful yet efficient DC-DC converter that is ideal for a wide range of applications. Its adjustable frequency, wide range of input and output voltages, and high efficiency make it a versatile tool for DC/DC, DC/DC, and DC/AC conversion tasks. Finally, its low power dissipation helps designers achieve increased reliability.

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