SPX29151T5-L-1-8/TR

Voltage Dropout (Max):	--
Supplier Device Package:	TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Reverse Polarity, Transient Voltage
Control Features:	Enable
PSRR:	--
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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SPX29151T5-L-1-8/TR Application Field and Working PrincipleThe SPX29151T5-L-1-8/TR is a linear voltage regulator IC manufactured by Power Integration, primarily used to regulate a voltage output. It is ideal for application in large power systems such as battery management, embedded systems and automotive applications. Its features include extremely low quiescent current, high power density, high power efficiency, and an adjustable output voltage range between 1.7 and 5.5V.In order to understand the SPX29151T5-L-1-8/TR application field and working principle, we must first understand its component parts and how they interact. This device includes a bandgap reference voltage source, an error amplifier, and a pass transistor, as well as a number of additional support and protective components. The bandgap reference sets the output voltage of the device, by providing a reference voltage against which the input voltage is compared. The voltage difference between the input voltage and the reference voltage is then amplified by the error amplifier, whose output is then used to control the gate of the pass transistor. The pass transistor essentially acts as a switch, which allows current to flow from the input supply to the output. Depending on the amount of current flowing through the transistor, the voltage at the output is regulated to the desired level. The SPX29151T5-L-1-8/TR can operate in both adjustable and fixed voltage modes. In adjustable mode, an external voltage divider is used to adjust the output voltage. In fixed voltage mode, the appropriate resistors are soldered on the board, allowing the output to be set at a specified voltage. For improved output accuracy and load regulation, the device includes a Voltage Position Sense (VPS) or built in temperature compensation. The VPS module monitors the output voltage and adjusts the reference voltage to maintain the desired output voltage despite changes in input voltage and temperature. Additionally, the device also includes an internal thermal shutdown protection, which will shut down the device if the junction temperature reaches a specified maximum. The SPX29151T5-L-1-8/TR is a perfect choice for a variety of applications, including automotive power supply, battery management, general industrial power systems, and embedded systems. Its extremely low quiescent current and high power efficiency make it an ideal solution for applications that require low power consumption, reliable performance, and fully adjustable voltage output. In summary, the SPX29151T5-L-1-8/TR is a highly versatile and reliable voltage regulator IC, suitable for a wide range of applications. Its features include low power consumption, high power density, adjustable and fixed voltage output, built in temperature compensation, as well as internal thermal shutdown protection.

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